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Subject: What's new in February 2020
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Content preview: Two new interactive courses on Brilliant in February: Artificial
Neural Networks and Calculus in a Nutshell. ( https://brilliant.org/courses/?utm_source=brilliant&auto_login_key=m7WDZdTgVglYeON8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_medium=email&utm_content=header&utm_campaign=february_2020_monthly_newsletter
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Two new interactive courses on Brilliant in February: Artificial Neural Net=
works and Calculus in a Nutshell.
( https://brilliant.org/courses/?utm_source=3Dbrilliant&auto_login_key=3Dm7=
WDZdTgVglYeON8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_medium=3Demail&utm_content=3Dh=
eader&utm_campaign=3Dfebruary_2020_monthly_newsletter )
----------------
New on Brilliant
----------------
Introduction to Neural Networks
Artificial neural networks learn by detecting patterns in huge amounts of i=
nformation. Much like your own brain, artificial neural nets are flexible, =
data-processing machines that make predictions and decisions.
The idea of learning through feedback underlies most cutting edge artificia=
l neural networks. Indeed, by wiring up just 50 neurons, and following a si=
milar process of feedback, we can build a network that's capable of classif=
ying handwritten digits.
( https://brilliant.org/courses/intro-neural-networks/?utm_source=3Dbrillia=
nt&auto_login_key=3Dm7WDZdTgVglYeON8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_medium=
=3Demail&utm_campaign=3Dfebruary_2020_monthly_newsletter )
In this course, you'll dissect the internal machinery of artificial neural =
nets through hands-on experimentation, not hairy mathematics. You'll develo=
p intuition about the kinds of problems they are suited to solve, and by th=
e end you=E2=80=99ll be ready to dive into the algorithms, or build one for=
yourself.
Start Course ( https://brilliant.org/courses/intro-neural-networks/?auto_lo=
gin_key=3Dm7WDZdTgVglYeON8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_source=3Dbrilliant=
&utm_medium=3Demail&utm_content=3DbuttonLink&utm_campaign=3Dfebruary_2020_m=
onthly_newsletter )
-------------------
February Highlights
-------------------
Staff pick: Calculus in a Nutshell
Calculus is the language of change used by ecologists, urban planners, phys=
icists, and even the intrepid economist to describe our world. But too ofte=
n, the subject is crudely reduced to a series of formulas and procedures to=
commit to memory.
( https://brilliant.org/courses/calculus-nutshell/?utm_source=3Dbrilliant&a=
uto_login_key=3Dm7WDZdTgVglYeON8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_medium=3Dema=
il&utm_campaign=3Dfebruary_2020_monthly_newsletter )
In Calculus in a Nutshell, you'll take a bird's-eye view, using visual and =
physical intuition to present the major pillars of calculus: limits, deriva=
tives, integrals, and infinite sums. You'll walk away with a clear sense of=
what calculus is and what it can do.
From our social media
( https://www.instagram.com/p/B8HMOKmgAR4/ )
-------------
From the team
-------------
The plight of a neural network can be approximated by a simple game we call=
"Where The Hell Are My Keys?"
Your aim is to find your keys in a messy room. The tiles color in as you se=
arch, revealing how close or far your last guess was from the keys. Without=
any clear indication of how to structure your guesses, you can nevertheles=
s get better round after round, adjusting your strategy in response to feed=
back, eventually finding the keys in surprisingly few guesses.
( https://brilliant.org/practice/neural-nets/?problem=3Dlogic-problem-17075=
2&chapter=3Dintroduction-to-neural-networks?auto_login_key=3Dm7WDZdTgVglYeO=
N8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_source=3Dbrilliant&utm_medium=3Demail&utm_=
campaign=3Dfebruary_2020_monthly_newsletter )
Start Exploring ( https://brilliant.org/courses/intro-neural-networks/?auto=
_login_key=3Dm7WDZdTgVglYeON8BaRCy2bbtZ4PJPVrzTuO5kkaWu&utm_source=3Dbrilli=
ant&utm_medium=3Demail&utm_content=3DbuttonLink&utm_campaign=3Dfebruary_202=
0_monthly_newsletter )
Brilliant ( https://itunes.apple.com/us/app/apple-store/id913335252?pt=3D10=
5095803&ct=3Demail_footer&mt=3D8 )
Brilliant ( https://play.google.com/store/apps/details?id=3Dorg.brilliant.a=
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}
/*-------------------- small separator --------------------*/
=20=20=20=20
table.small-separator,
table.small-separator td {
width: 130px;
min-width: 130px;
}
=20=20=20=20
.small-separator td {
height: 2px;
font-size: 1px;
line-height: 1px;
background: #C4C4C4;
}
/*-------------------- choices --------------------*/
.choices td {
vertical-align: middle;
padding-top: 9px;
padding-bottom: 5px;
}
.choices td.radiobutton {
width: 28px;
padding-left: 12px;
padding-right: 12px;
}
.choices td a:link,
.choices td a:visited,
.choices td a:hover,
.choices td a:active {
color: #333 !important;
}
/*-------------------- followers --------------------*/
.follower {
width: 100%;
min-width: 100%;
}
.follower td {
vertical-align: middle;
}
.follower td.avatar {
width: 42px;
padding-left: 4px;
padding-right: 18px;
}
.follower-stats {
width: 240px;
min-width: 240px;
margin: 0 auto;
}
@media only screen and (max-width: 240px) {
table[class=3D"body"] .follower-stats {
width: 100% !important;
min-width: 0 !important;
}
}
.follower-stats td {
font-size: 13px;
color: #777;
}
.follower-stats td.following,
.follower-stats td.followers {
width: 48%;
}
.follower-stats td.following {
text-align: left;
}
.follower-stats td.followers {
text-align: right;
}
.follower-stats td.spacer {
width: 4%;
}
.follower-stats td strong {
color: #333;
}
/*-------------------- answer form --------------------*/
.form-buttons {
width: 100%;
min-width: 100%;
}
.form-buttons td {
font-size: 14px;
}
.form-buttons td.view-solutions,
.form-buttons td.submit {
width: 48%;
padding-top: 14px;
}
.form-buttons td.spacer {
width: 4%;
}
.answer .button {
border: 1px solid #777;
}
.answer .button,
.answer .button td {
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
}
.answer .button td {
background: #f7f7f7;
color: #777;
text-align: left;
}
.answer .button td a.button-link:link,
.answer .button td a.button-link:visited,
.answer .button td a.button-link:hover,
.answer .button td a.button-link:active {
border-width: 11px 0;
border-color: #f7f7f7;
color: #777 !important;
}
.view-solutions .button {
border: 1px solid #333;
}
.view-solutions .button td {
background: #fff;
color: #333;
}
.view-solutions .button td a.button-link:link,
.view-solutions .button td a.button-link:visited,
.view-solutions .button td a.button-link:hover,
.view-solutions .button td a.button-link:active {
border-width: 11px 0;
border-color: #fff;
color: #333 !important;
}
.submit .button td {
border: 1px solid #03a9f4;
}
.submit .button td a.button-link:link,
.submit .button td a.button-link:visited,
.submit .button td a.button-link:hover,
.submit .button td a.button-link:active {
border-width: 11px 0;
}
/*-------------------- set --------------------*/
.set-header {
margin-top: 7px;
}
.set-subheader {
margin-top: 5px;
}
/*-------------------- mobile app badges --------------------*/
.mobile-app-badges {
width: 100%;
min-width: 100%;
}
.mobile-app-badges td {
padding-top: 28px;
line-height: 10px;
}
.inner .mobile-app-badges td {
padding-top: 8px;
}
.mobile-app-badges td.app-store,
.mobile-app-badges td.google-play {
width: 47%;
}
.mobile-app-badges td.app-store {
text-align: right;
}
.mobile-app-badges td.google-play {
text-align: left;
}
.mobile-app-badges td.spacer {
width: 6%;
}
/*-------------------- footer --------------------*/
.text-footer {
color: #333;
}
.footer {
padding-top: 14px;
padding-bottom: 14px;
font-size: 12px;
line-height: 16px;
color: #bbb;
text-align: center;
}
.footer a:link,
.footer a:visited,
.footer a:hover,
.footer a:active,
a.footer-link:link,
a.footer-link:visited,
a.footer-link:hover,
a.footer-link:active {
color: #bbb !important;
}
.footer a,
a.footer-link {
text-decoration: underline;
}
.footer a:hover,
a.footer-link:hover {
text-decoration: none;
}
/*-------------------- potw difficulty buttons --------------------=
*/
.potw-difficulty-table {
width: 100%;
margin-bottom: 10px;
}
.potw-difficulty-table td {
width: 33.33%;
}
.potw-difficulty-option {
display: block;
width: 100%;
padding: 4px 0;
border: 1px solid #D4D4D4;
text-align: center;
color: #777777;
font-size: 14px;
}
.potw-difficulty-option.active {
background: #D8D8D8;
color: #333;
}
/*-------------------- chapter list --------------------*/
table.chapter {
width: 306px;
border-collapse: separate !important;
box-shadow: 0 2px 4px #d2d8e0;
border: 1px solid #DDD;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
}
table.chapter a {
display: block;
}
td.chapter-image,
td.chapter-text,
td.chapter-progress {
padding: 8px 0;
vertical-align: middle;
}
td.chapter-image {
width: 92px;
}
.chapter-image span,
.chapter-image img {
display: block;
width: 60px;
height: 60px;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
border-radius: 10px;
}
.chapter-text h2 {
margin: 0 0 2px 0;
font-size: 16px;
font-weight: 700;
line-height: 1.3em;
}
.chapter-text h2 a {
color: #333 !important;
}
.chapter-text p {
margin: 0;
font-size: 13px;
line-height: 1.2em;
}
.chapter-text p a {
color: #333 !important;
}
td.chapter-progress {
width: 67px;
}
.chapter-progress table,
.chapter-progress table td {
width: 35px;
height: 35px;
}
.chapter-progress table td {
background-color: #eee;
font-weight: bold;
font-size: 14px;
text-align: center;
vertical-align: middle;
-webkit-border-radius: 50%;
-moz-border-radius: 50%;
border-radius: 50%;
}
.chapter-progress.condensed table td {
font-size: 12px;
}
.chapter-progress table td a {
color: #0277bd !important;
}
/*-------------------- quiz gallery --------------------*/
table.quiz-gallery {
width: 306px;
border-collapse: separate !important;
margin: 0 auto;
position: relative;
}
table.quiz-gallery a {
display: block;
}
td.quiz-gallery-column {
width: 126px;
padding-left: 8px;
padding-right: 8px;
}
td.quiz-gallery-column,
td.quiz-gutter {
border-bottom: 1px solid #fff;
}
td.quiz-gutter {
width: 18px;
}
td.quiz-card {
padding-top: 16px;
padding-bottom: 16px;
box-shadow: 0 2px 4px #d2d8e0;
border: 1px solid #DDD;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
}
table.quiz-image {
margin: 0 auto;
position: relative;
}
table.quiz-image,
table.quiz-image td {
width: 100px;
height: 100px;
}
.quiz-card.intro table.quiz-image,
.quiz-card.intro table.quiz-image td {
width: 126px;
height: 126px;
}
table.quiz-image td {
vertical-align: middle;
}
table.quiz-image img {
display: block;
max-width: 100px;
max-height: 100px;
}
.quiz-card.intro table.quiz-image img {
max-width: 126px;
max-height: 126px;
}
table.quiz-title {
width: 126px;
}
table.quiz-title,
table.quiz-title td {
height: 65px;
}
.quiz-card.intro table.quiz-title,
.quiz-card.intro table.quiz-title td {
height: 39px;
}
.quiz-title td {
vertical-align: middle;
}
.quiz-title h2 {
line-height: 19px;
word-wrap: break-word;
word-break: break-word;
}
.quiz-title h2 a {
color: #333 !important;
}
table.quiz-progress {
width: 126px;
}
table.quiz-progress,
td.quiz-progress-content {
height: 41px;
vertical-align: bottom;
}
table.quiz-progress img {
display: block;
}
table.quiz-items {
width: 126px;
}
table.quiz-items,
table.quiz-items td,
table.quiz-items td a {
height: 8px;
}
table.quiz-items td {
width: 126px;
background: #e8e8e8;
border-right: 1px solid #fbfbfb;
font-size: 1px;
line-height: 1px;
}
table.quiz-items td.completed {
background: #ffde5c;
}
table.quiz-number {
width: 126px;
}
.quiz-number td {
padding-top: 8px;
font-size: 13px;
color: #777;
text-align: center;
}
.quiz-number td a {
color: #333 !important;
}
/*-------------------- chapter map --------------------*/
table.chapter.completed {
position: relative;
margin: 0 auto;
box-shadow: none;
border-width: 2px;
}
table.chapter-quizzes-connector {
position: relative;
width: 306px;
margin: 0 auto;
}
table.chapter-quizzes-connector,
table.chapter-quizzes-connector td {
height: 18px;
}
.chapter-quizzes-connector td {
width: 153px;
}
.chapter-quizzes-connector .left {
border-right: 2px solid #f0f0f0;
}
table.completed-quizzes {
margin: 0 auto;
border: 2px solid #f0f0f0;
position: relative;
}
td.completed-quizzes-content {
padding-bottom: 18px;
}
table.completed-quizzes table.quiz-gallery {
width: 264px;
}
.completed-quizzes td.quiz-gallery-column {
width: 84px;
padding-top: 8px;
padding-bottom: 8px;
}
.completed-quizzes td.quiz-gallery-column.empty {
width: 100px;
padding: 0;
}
.completed-quizzes table.quiz-image,
.completed-quizzes table.quiz-image td {
width: 50px;
height: 50px;
}
.completed-quizzes table.quiz-image img {
display: block;
max-width: 50px;
max-height: 50px;
}
.completed-quizzes table.quiz-title,
.completed-quizzes table.quiz-progress {
width: 84px;
}
.completed-quizzes .quiz-title h2 {
font-size: 12px;
line-height: 15px;
}
.completed-quizzes table.quiz-progress,
.completed-quizzes td.quiz-progress-content {
height: 17px;
}
table.completed-quiz-connector {
border-bottom: 2px solid #f0f0f0;
}
table.completed-quiz-connector,
table.completed-quiz-connector td {
width: 18px;
height: 75px;
}
.empty table.completed-quiz-connector,
.empty table.completed-quiz-connector td {
width: 102px;
}
/*-------------------- daily problems --------------------*/
.daily-problems-header .col-right {
text-align: right;
font-size: 17px;
}
.daily-problems-header td.spacer {
width: 20px;
}
.daily-problems-header .date {
font-size: 13px;
color: #919191;
}
.daily-problems-header .inner td {
padding: 20px 0;
vertical-align: middle;
}
.daily-problem-content,
.more-problems {
border-top: 1px solid #F0F0F0;
}
.daily-problem-content .track-name {
margin: 0;
font-weight: 500;
font-size: 13px;
text-transform: uppercase;
color: #899098;
}
.daily-problem-content .problem-title {
margin: 15px 0 0 0;
font-weight: bold;
font-size: 20px;
color: #1F1F1F !important;
}
.daily-problem-content .preview {
padding-bottom: 10px;
}
.daily-problem-content .problem-text .p {
font-size: 15px;
line-height: 26px;
}
=20=20=20=20=20=20=20=20=20=20=20=20
.daily-problem-content .problem-title {
font-size: 28px;
line-height: 34px;
}
.daily-problem-content .problem-text .p {
font-size: 20px;
line-height: 28px;
}
.daily-problem-content .problem-text .image-caption {
display: inline-block;
text-align: left;
}
=20=20=20=20=20=20=20=20=20=20=20=20
.daily-problem-content .more {
font-weight: bold;
color: #0C6AC7;
}
.daily-problem-content table.button {
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
-ms-border-radius: 3px;
border-radius: 3px;
}
.daily-problem-content table.button td {
background: #007AFF;
}
.daily-problem-content table.button td a.button-link:li=
nk,
.daily-problem-content table.button td a.button-link:vi=
sited,
.daily-problem-content table.button td a.button-link:ho=
ver,
.daily-problem-content table.button td a.button-link:ac=
tive {
border-width: 14px 0;
border-color: #007AFF;
}
a.snooze-reminders:link,
a.snooze-reminders:visited,
a.snooze-reminders:hover,
a.snooze-reminders:active {
color: #0C6AC7 !important;
}
.top-daily-problem-content h2,
.top-daily-problem-content h3,
.more-problems h2 {
margin-top: 10px;
font-weight: bold;
color: #0C6AC7;
}
.top-daily-problem-content h2 {
font-size: 17px;
}
.top-daily-problem-content h3 {
font-size: 15px;
}
.top-daily-problem-content .problem-text .p {
font-size: 18px;
}
.more-problems h2 {
margin-bottom: 8px;
font-size: 16px;
}
.top-daily-problem-content .track-name {
margin-top: 12px;
}
.top-daily-problem-content .preview {
margin-top: 0;
}
table.problem-card {
margin-bottom: 10px;
border-collapse: separate !important;
border: 1px solid #BBB;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
-ms-border-radius: 10px;
border-radius: 10px;
-webkit-box-shadow: 0 1px 4px #BBB;
-moz-box-shadow: 0 1px 4px #BBB;
-ms-box-shadow: 0 1px 4px #BBB;
box-shadow: 0 1px 4px #BBB;
}
.problem-card td {
vertical-align: middle;
}
.problem-card td.spacer {
width: 24px;
}
.problem-card td.track {
padding: 10px 0 6px 0;
font-weight: 500;
font-size: 11px;
letter-spacing: 0.1em;
text-transform: uppercase;
}
.problem-card td.track,
.problem-card td.track a:link,
.problem-card td.track a:visited,
.problem-card td.track a:hover,
.problem-card td.track a:active {
color: #1F1F1F !important;
}
.problem-card td.title {
width: 176px;
font-weight: bold;
font-size: 22px;
line-height: 27px;
color: #333;
}
.problem-card td.title,
.problem-card td.title a:link,
.problem-card td.title a:visited,
.problem-card td.title a:hover,
.problem-card td.title a:active {
color: #333 !important;
}
.problem-card td.img {
width: 80px;
text-align: right;
}
.problem-card td.img table {
margin-left: 16px;
overflow: hidden;
-webkit-border-radius: 8px;
-moz-border-radius: 8px;
-ms-border-radius: 8px;
border-radius: 8px;
}
.problem-card td.img table,
.problem-card td.img table td {
width: 64px;
}
.problem-card td.text {
padding: 12px 0 8px 0;
border-bottom: 1px solid #ddd;
font-size: 13px;
line-height: 21px;
color: #1F1F1F;
}
.problem-card td.text,
.problem-card td.text a:link,
.problem-card td.text a:visited,
.problem-card td.text a:hover,
.problem-card td.text a:active {
color: #1F1F1F !important;
}
.problem-card td.popularity {
font-weight: 500;
font-size: 12px;
color: #6D7E8E;
}
.problem-card td.popularity,
.problem-card td.popularity a:link,
.problem-card td.popularity a:visited,
.problem-card td.popularity a:hover,
.problem-card td.popularity a:active {
color: #6D7E8E !important;
}
.problem-card td.action {
padding: 12px 0;
}
.problem-card td.action .button {
border: 1px solid #005FFA;
-webkit-box-shadow: none;
-moz-box-shadow: none;
-ms-box-shadow: none;
box-shadow: none;
}
.problem-card td.action .button,
.problem-card td.action .button td {
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
-ms-border-radius: 4px;
border-radius: 4px;
}
.problem-card td.action .button td {
padding: 0 5px;
background: #fff;
font-weight: bold;
font-size: 13px;
color: #005FFA;
white-space: nowrap;
}
.problem-card td.action .button td a.button-link:li=
nk,
.problem-card td.action .button td a.button-link:vi=
sited,
.problem-card td.action .button td a.button-link:ho=
ver,
.problem-card td.action .button td a.button-link:ac=
tive {
border-width: 4px 0;
border-color: #fff;
color: #005FFA !important;
}
.set-reminders table.button {
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
-ms-border-radius: 3px;
border-radius: 3px;
}
.set-reminders table.button td {
background: #005FFA;
font-size: 13px;
}
.set-reminders table.button td a.button-link:link,
.set-reminders table.button td a.button-link:visited,
.set-reminders table.button td a.button-link:hover,
.set-reminders table.button td a.button-link:active {
border-color: #005FFA;
}
.set-reminders table.button img {
vertical-align: -2px;
}
/*-------------------- gifting emails --------------------*/
.gifting-header {
background: #1f1f1f;
}
=20=20=20=20=20=20=20=20
.gifting-header.blue-bg {
background: #3A7CC0;
}
.gifting-header td {
vertical-align: middle;
}
.gifting-header td.gifting-header-text {
width: 55.35%;
}
.gifting-header td.gifting-header-image {
width: 44.65%;
text-align: right;
vertical-align: bottom;
}
.gifting-header-text table {
width: 100%;
}
.gifting-header-text table td {
height: auto;
padding: 16px 0 16px 22px;
font-weight: bold;
font-size: 23px;
line-height: 27px;
word-wrap: break-word;
word-break: break-word;
color: #fff;
}
.gifting-header-text a:link,
.gifting-header-text a:visited,
.gifting-header-text a:hover,
.gifting-header-text a:active {
color: #fff !important;
}
.gifting-header-image a,
.gifting-header-image img {
display: block;
font-size: 1px;
line-height: 1px;
}
.gifting-header-image img {
max-width: 100%;
width: 100%;
}
/*-------------------- NUX emails --------------------*/
.nux-intro-blurb .content {
font-size: 17px;
line-height: 29px;
}
.nux-problem-content .track-name {
font-size: 12px;
}
.nux-problem-content .problem-title {
font-size: 18px;
}
.nux-problem-content .button td {
font-size: 17px;
}
.suggested-chapter {
padding: 30px 0;
border-top: 1px solid #F0F0F0;
}
.suggested-chapter h3 {
width: 342px;
margin: 0 auto 28px auto;
font-size: 16px;
font-weight: bold;
text-align: left;
}
table.chapter-card {
width: 342px;
overflow: hidden;
border-radius: 8px;
box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}
td.chapter-card-text {
width: 208px;
padding: 24px 0 23px 30px;
}
.chapter-card-text h4 {
padding-bottom: 9px;
margin-bottom: 8px;
border-bottom: 1px solid #aaa;
font-weight: bold;
font-size: 24px;
line-height: 30px;
}
.chapter-card-text h4 a {
color: #fff !important;
}
.chapter-card-text table {
width: 100%;
}
.chapter-card-text table td {
padding: 2px 0;
font-size: 12px;
line-height: 15px;
}
.chapter-card-text table td.left {
width: 63px;
padding-left: 4px;
}
.chapter-card-text table td a {
color: #fff !important;
}
td.chapter-card-image {
width: 85px;
padding: 24px 0 0 20px;
vertical-align: top;
}
.chapter-card-image table,
.chapter-card-image table td {
width: 64px;
}
.chapter-card-image table {
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
background: #ccc;
background: url('https://static.brilliant.org/static/sy=
nc/email-images/nux/chapter-image-bg.png') repeat;
background: rgba(255, 255, 255, 0.13);
border-radius: 8px;
overflow: hidden;
}
.chapter-card-image table td {
padding: 17px 0;
vertical-align: middle;
}
.chapter-card-image table table,
.chapter-card-image table table td {
width: 52px;
}
.chapter-card-image table table {
border-radius: 50%;
overflow: hidden;
}
.chapter-card-image table table td {
padding: 6px 0;
}
.chapter-card-image img {
border-radius: 50%;
overflow: hidden;
}
/*-------------------- 7 Day Challenge --------------------*/
.seven-day-challenge .daily-problems-header td.spacer {
width: 10px;
}
.seven-day-challenge .daily-problems-header .col-right {
padding: 16px 0;
}
.seven-day-challenge .daily-problems-header .col-right h1 {
font-weight: bold;
font-size: 16px;
line-height: 28px;
}
.seven-day-challenge .daily-problems-header .date {
font-size: 12px;
line-height: 16px;
color: #919191;
}
/*-------------------- 7 Day Challenge endstate -------------------=
-*/
.seven-day-challenge-endstate {
line-height: 21px;
}
.seven-day-challenge-endstate h1 {
font-weight: bold;
font-size: 24px;
line-height: 28px;
text-align: center;
}
.seven-day-challenge-endstate h1 .emoji {
vertical-align: -1px;
}
.seven-day-challenge-endstate p {
margin: 4px 0;
}
.seven-day-challenge-header {
background: #d2e9f8 url('https://static.brilliant.org/static/sy=
nc/email-images/nux/7-day-challenge-header-bg.png') center top repeat-x;
}
.seven-day-challenge-header .inner td {
padding: 14px 0;
font-size: 17px;
line-height: 28px;
}
.seven-day-challenge-header h1 {
margin-top: 12px;
font-weight: bold;
font-size: 24px;
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</head>
<body style=3D"width: 100% !important; height: 100% !important; min-width: =
100%; line-height: 100% !important; -webkit-text-size-adjust: 100%; -ms-tex=
t-size-adjust: 100%; background-color: #f7f7f7; font-family: 'Helvetica=
', 'Arial', sans-serif; font-weight: normal; font-size: 15px; c=
olor: #333; margin: 0; padding: 0;" bgcolor=3D"#f7f7f7"><table style=3D"bac=
kground-color: #f7f7f7; width: 100% !important; height: 100% !important; mi=
n-width: 100%; line-height: 100% !important; -webkit-text-size-adjust: 100%=
; -ms-text-size-adjust: 100%; border-collapse: collapse !important; max-wid=
th: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; border-spacing: 0; =
vertical-align: top; text-align: left; font-family: 'Helvetica', &#=
39;Arial', sans-serif; font-weight: normal; font-size: 15px; color: #33=
3; margin: 0; padding: 0;" class=3D"body" bgcolor=3D"#f7f7f7"><tbody><tr st=
yle=3D"vertical-align: top; text-align: left; margin: 0; padding: 0;" align=
=3D"left"><td align=3D"center" valign=3D"top" class=3D"center" style=3D"bor=
der-collapse: collapse !important; vertical-align: top; text-align: center;=
font-family: 'Helvetica', 'Arial', sans-serif; font-weight=
: normal; font-size: 15px; line-height: 18px; color: #333; margin: 0; paddi=
ng: 0;"><center style=3D"width: 100%; min-width: 0 !important;">
<center style=3D"width: 100%; min-width: 0 !important;"><div class=3D"p=
review-text center" style=3D"font-family: 'Helvetica', 'Arial&#=
39;, sans-serif; font-weight: normal; font-size: 1px; line-height: 1px; col=
or: #f7f7f7; text-align: center; display: none; margin: 0; padding: 0;" ali=
gn=3D"center">Two new interactive courses on Brilliant in February: Artific=
ial Neural Networks and Calculus in a Nutshell. </div></center>
=20=20=20=20
<table class=3D"outer" style=3D"border-collapse: collapse !importan=
t; max-width: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; border-sp=
acing: 0; vertical-align: top; text-align: left; width: 448px; margin: 0 au=
to; padding: 0;"><tbody><tr style=3D"vertical-align: top; text-align: left;=
margin: 0; padding: 0;" align=3D"left"><td style=3D"border-collapse: colla=
pse !important; vertical-align: top; text-align: left; font-family: 'He=
lvetica', 'Arial', sans-serif; font-weight: normal; font-size: =
15px; line-height: 18px; color: #333; margin: 0; padding: 0;" align=3D"left=
" valign=3D"top">
<center style=3D"width: 100%; min-width: 0 !important;">
<div style=3D"font-family: 'Helvetica', 'Arial'=
, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; colo=
r: #333; margin: 0; padding: 0;">
<br style=3D"font-family: 'Helvetica', 'Arial&#=
39;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; c=
olor: #333;"/>
<a href=3D"https://t.brilliant.org/e/c/eyJlbWFpbF9pZCI6IlJQ=
NG9BUUFCY0pSbERpTEdoYXFlanZGWjRwM0kiLCJocmVmIjoiaHR0cHM6Ly9icmlsbGlhbnQub3J=
nL2NvdXJzZXMvP3V0bV9zb3VyY2U9YnJpbGxpYW50XHUwMDI2YXV0b19sb2dpbl9rZXk9bTdXRF=
pkVGdWZ2xZZU9OOEJhUkN5MmJidFo0UEpQVnJ6VHVPNWtrYVd1XHUwMDI2dXRtX21lZGl1bT1lb=
WFpbFx1MDAyNnV0bV9jb250ZW50PWhlYWRlclx1MDAyNnV0bV9jYW1wYWlnbj1mZWJydWFyeV8y=
MDIwX21vbnRobHlfbmV3c2xldHRlciIsImxpbmtfaWQiOjE5Mzk0MjkyMCwicG9zaXRpb24iOjB=
9/3fe9b36e8432d67ef54365e88199d28a96dddb22f59d3a2a0e750f3b7c90a027" style=
=3D"color: #03a9f4 !important; text-decoration: none;">
<img src=3D"https://static.brilliant.org/static/sync/em=
ail-images/feb-2020-newsletter/Feb2020.png" width=3D"450" border=3D"0" styl=
e=3D"max-width: 100%; height: auto; line-height: 100%; outline: none; text-=
decoration: none; -ms-interpolation-mode: bicubic; border: 0 none;"/>
</a>
</div>
</center></td></tr></tbody></table>
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<table class=3D"outer" style=3D"border-collapse: collapse !important; m=
ax-width: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; border-spacin=
g: 0; vertical-align: top; text-align: left; width: 448px; margin: 0 auto; =
padding: 0;"><tbody><tr style=3D"vertical-align: top; text-align: left; mar=
gin: 0; padding: 0;" align=3D"left"><td align=3D"center" class=3D"content-w=
rapper center problem-content daily-problem-content" style=3D"border-collap=
se: collapse !important; vertical-align: top; text-align: center; font-fami=
ly: 'Helvetica', 'Arial', sans-serif; font-weight: normal; =
font-size: 15px; line-height: 18px; color: #333; width: 448px; background-c=
olor: #fff; border-top-width: 1px; border-top-color: #F0F0F0; border-top-st=
yle: solid; margin: 0; padding: 0;" bgcolor=3D"#fff" valign=3D"top"><center=
style=3D"width: 100%; min-width: 0 !important;">
<table class=3D"inner" style=3D"border-collapse: collapse !importan=
t; max-width: 100%; mso-table-lspace: 0pt; mso-table-rspace: 0pt; border-sp=
acing: 0; vertical-align: top; text-align: left; width: 306px; position: re=
lative; margin: 0 auto; padding: 0;"><tbody><tr style=3D"vertical-align: to=
p; text-align: left; margin: 0; padding: 0;" align=3D"left"><td class=3D"co=
ntent" style=3D"border-collapse: collapse !important; vertical-align: top; =
text-align: left; font-family: 'Helvetica', 'Arial', sans-s=
erif; font-weight: normal; font-size: 15px; line-height: 18px; color: #333;=
position: relative; margin: 0; padding: 20px 0 28px;" align=3D"left" valig=
n=3D"top">
<br style=3D"font-family: 'Helvetica', 'Arial', s=
ans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color: =
#333;"/>
=20=20=20=20=20=20=20=20=20=20=20=20
=20=20=20=20=20=20=20=20=20=20=20=20
<p style=3D"font-family: 'Helvetica', 'Arial', =
sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color:=
#333;">
</p><h2 style=3D"font-size: 20px; font-family: 'Helveti=
ca', 'Arial', sans-serif; font-weight: bold; line-height: 18px;=
color: #333 !important; margin: 0; padding: 0;">New on Brilliant</h2>
<p style=3D"font-family: Arial; text-transform: uppercase; =
color: #919191; font-weight: normal; font-size: 15px; line-height: 18px;">I=
ntroduction to Neural Networks</p>
<p style=3D"font-family: 'Helvetica', 'Arial=
9;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; co=
lor: #333;">
Artificial neural networks learn by detecting patterns in h=
uge amounts of information. Much like your own brain, artificial neural net=
s are flexible, data-processing machines that make predictions and decision=
s.=20
<br style=3D"font-family: 'Helvetica', 'Arial&#=
39;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; c=
olor: #333;"/><br style=3D"font-family: 'Helvetica', 'Arial'=
;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; col=
or: #333;"/>
The idea of learning through feedback underlies most cuttin=
g edge artificial neural networks. Indeed, by wiring up just 50 neurons, an=
d following a similar process of feedback, we can build a network that'=
s capable of classifying handwritten digits.=20
<br style=3D"font-family: 'Helvetica', 'Arial', sans-serif;=
font-weight: normal; font-size: 15px; line-height: 18px; color: #333;"/><b=
r style=3D"font-family: 'Helvetica', 'Arial', sans-serif; f=
ont-weight: normal; font-size: 15px; line-height: 18px; color: #333;"/>
</p>
=20=20=20=20=20=20=20=20=20=20=20=20
<a href=3D"https://t.brilliant.org/e/c/eyJlbWFpbF9pZCI6IlJQNG9B=
UUFCY0pSbERpTEdoYXFlanZGWjRwM0kiLCJocmVmIjoiaHR0cHM6Ly9icmlsbGlhbnQub3JnL2N=
vdXJzZXMvaW50cm8tbmV1cmFsLW5ldHdvcmtzLz91dG1fc291cmNlPWJyaWxsaWFudFx1MDAyNm=
F1dG9fbG9naW5fa2V5PW03V0RaZFRnVmdsWWVPTjhCYVJDeTJiYnRaNFBKUFZyelR1TzVra2FXd=
Vx1MDAyNnV0bV9tZWRpdW09ZW1haWxcdTAwMjZ1dG1fY2FtcGFpZ249ZmVicnVhcnlfMjAyMF9t=
b250aGx5X25ld3NsZXR0ZXIiLCJsaW5rX2lkIjoxOTM5NDI5MjEsInBvc2l0aW9uIjoxfQ/ac61=
bcd1863ea0884d4ec43a9ac5ab10cc290c4f40644797a8631755aa204bb2" style=3D"colo=
r: #03a9f4 !important; text-decoration: none;">
<img src=3D"https://static.brilliant.org/static/sync/em=
ail-images/feb-2020-newsletter/digitgame2.gif" style=3D"display: block; mar=
gin-left: auto; margin-right: auto; width: 300px; max-width: 100%; height: =
auto; line-height: 100%; outline: none; text-decoration: none; -ms-interpol=
ation-mode: bicubic; border: 0 none;"/></a>
=20=20=20=20=20=20=20=20=20=20=20=20
<br style=3D"font-family: 'Helvetica', 'Arial',=
sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color=
: #333;"/>
<p style=3D"font-family: 'Helvetica', 'Arial', =
sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color:=
#333;">
In this course, you'll dissect the internal machinery of ar=
tificial neural nets through hands-on experimentation, not hairy mathematic=
s. You'll develop intuition about the kinds of problems they are suited=
to solve, and by the end you=E2=80=99ll be ready to dive into the algorith=
ms, or build one for yourself.
</p> <br style=3D"font-family: 'Helvetica', 'Arial&=
#39;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; =
color: #333;"/>
=20=20=20=20=20=20=20=20=20=20=20=20
<center style=3D"width: 100%; min-width: 0 !important;"><a =
href=3D"https://t.brilliant.org/e/c/eyJlbWFpbF9pZCI6IlJQNG9BUUFCY0pSbERpTEd=
oYXFlanZGWjRwM0kiLCJocmVmIjoiaHR0cHM6Ly9icmlsbGlhbnQub3JnL2NvdXJzZXMvaW50cm=
8tbmV1cmFsLW5ldHdvcmtzLz9hdXRvX2xvZ2luX2tleT1tN1dEWmRUZ1ZnbFllT044QmFSQ3kyY=
mJ0WjRQSlBWcnpUdU81a2thV3VcdTAwMjZ1dG1fc291cmNlPWJyaWxsaWFudFx1MDAyNnV0bV9t=
ZWRpdW09ZW1haWxcdTAwMjZ1dG1fY29udGVudD1idXR0b25MaW5rXHUwMDI2dXRtX2NhbXBhaWd=
uPWZlYnJ1YXJ5XzIwMjBfbW9udGhseV9uZXdzbGV0dGVyIiwibGlua19pZCI6MTkzOTQyOTIyLC=
Jwb3NpdGlvbiI6Mn0/924fc3218317b2886d068db92c54881a5e2a2116b2555a5fe7b14fa85=
9744436" class=3D"button-black2" style=3D"color: #FFFFFF !important; text-d=
ecoration: none; display: inline-block; font-size: 15px; line-height: 20px;=
background-color: #000000; font-family: Soleil,Roboto,Helvetica,Arial,sans=
-serif; text-transform: uppercase; padding: 14px 60px; border: 0px solid #0=
00;">Start Course</a></center>
<br style=3D"font-family: 'Helvetica', 'Arial',=
sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color=
: #333;"/><br style=3D"font-family: 'Helvetica', 'Arial', s=
ans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color: =
#333;"/>
=20=20=20=20=20=20=20=20
=20=20=20=20=20=20=20=20=20=20=20=20
=20=20=20=20=20=20=20=20=20=20=20=20
=20=20=20=20=20=20=20=20=20=20=20=20
<p style=3D"font-family: 'Helvetica', 'Arial', =
sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color:=
#333;">
</p><hr style=3D"height: 1px; background-color: #bbb; margi=
n: 0 0 24px; padding: 0; border-style: none; border-width: 24px 0 0;"/>
<h2 style=3D"font-size: 20px; font-family: 'Helvetica&#=
39;, 'Arial', sans-serif; font-weight: bold; line-height: 18px; col=
or: #333 !important; margin: 0; padding: 0;">February Highlights</h2>
<p style=3D"font-family: Arial; text-transform: uppercase; =
color: #919191; font-weight: normal; font-size: 15px; line-height: 18px;">S=
taff pick: Calculus in a Nutshell</p>
<p style=3D"font-family: 'Helvetica', 'Arial=
9;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; co=
lor: #333;">
Calculus is the language of change used by ecologists, u=
rban planners, physicists, and even the intrepid economist to describe our =
world. But too often, the subject is crudely reduced to a series of formula=
s and procedures to commit to memory. <br style=3D"font-family: 'Helvet=
ica', 'Arial', sans-serif; font-weight: normal; font-size: 15px=
; line-height: 18px; color: #333;"/></p>
<br style=3D"font-family: 'Helvetica', 'Arial', sans-serif;=
font-weight: normal; font-size: 15px; line-height: 18px; color: #333;"/>
<a href=3D"https://t.brilliant.org/e/c/eyJlbWFpbF9pZCI6=
IlJQNG9BUUFCY0pSbERpTEdoYXFlanZGWjRwM0kiLCJocmVmIjoiaHR0cHM6Ly9icmlsbGlhbnQ=
ub3JnL2NvdXJzZXMvY2FsY3VsdXMtbnV0c2hlbGwvP3V0bV9zb3VyY2U9YnJpbGxpYW50XHUwMD=
I2YXV0b19sb2dpbl9rZXk9bTdXRFpkVGdWZ2xZZU9OOEJhUkN5MmJidFo0UEpQVnJ6VHVPNWtrY=
Vd1XHUwMDI2dXRtX21lZGl1bT1lbWFpbFx1MDAyNnV0bV9jYW1wYWlnbj1mZWJydWFyeV8yMDIw=
X21vbnRobHlfbmV3c2xldHRlciIsImxpbmtfaWQiOjE5Mzk0MjkyMywicG9zaXRpb24iOjN9/2e=
0cfd0633b72210b70d6a60fa533968b0dfdbce22d99a5227d7ba7d4c3dda67" style=3D"co=
lor: #03a9f4 !important; text-decoration: none;">
<img src=3D"https://static.brilliant.org/static/syn=
c/email-images/feb-2020-newsletter/horn.gif" style=3D"display: block; margi=
n-left: auto; margin-right: auto; max-width: 100%; height: auto; line-heigh=
t: 100%; outline: none; text-decoration: none; -ms-interpolation-mode: bicu=
bic; border: 0 none;" height=3D"300"/><br style=3D"font-family: 'Helvet=
ica', 'Arial', sans-serif; font-weight: normal; font-size: 15px=
; line-height: 18px; color: #333;"/>
</a>
<p style=3D"font-family: 'Helvetica', 'Arial', sans-serif; =
font-weight: normal; font-size: 15px; line-height: 18px; color: #333;">In <=
b>Calculus in a Nutshell</b>, you'll take a bird's-eye view, using =
visual and physical intuition to present the major pillars of calculus: lim=
its, derivatives, integrals, and infinite sums. You'll walk away with a=
clear sense of what calculus is and what it can do.
</p>
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
<br style=3D"font-family: 'Helvetica', 'Arial&#=
39;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; c=
olor: #333;"/>
<p style=3D"font-family: Arial; text-transform: uppercase; =
color: #919191; font-weight: normal; font-size: 15px; line-height: 18px;">F=
rom our social media</p>
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9;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; co=
lor: #333;">
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<br style=3D"font-family: 'Helvetica', 'Ari=
al', sans-serif; font-weight: normal; font-size: 15px; line-height: 18p=
x; color: #333;"/>
<a href=3D"https://t.brilliant.org/e/c/eyJlbWFpbF9pZCI6=
IlJQNG9BUUFCY0pSbERpTEdoYXFlanZGWjRwM0kiLCJocmVmIjoiaHR0cHM6Ly93d3cuaW5zdGF=
ncmFtLmNvbS9wL0I4SE1PS21nQVI0LyIsImxpbmtfaWQiOjE5Mzk0MjkyNCwicG9zaXRpb24iOj=
R9/d176c803b6374ddad778814392e55cdff645f2b870aa044e96dd721d0cd3ebd4" style=
=3D"color: #03a9f4 !important; text-decoration: none;">
<img src=3D"https://static.brilliant.org/static/syn=
c/email-images/feb-2020-newsletter/cube.png" style=3D"margin-left: auto; ma=
rgin-right: auto; display: block; max-width: 100%; height: auto; line-heigh=
t: 100%; outline: none; text-decoration: none; -ms-interpolation-mode: bicu=
bic; border: 0 none;" height=3D"300"/>
</a>
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</p>
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
<br style=3D"font-family: 'Helvetica', 'Arial&#=
39;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; c=
olor: #333;"/>
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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
<p style=3D"font-family: 'Helvetica', 'Arial', =
sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; color:=
#333;">
</p><hr style=3D"height: 1px; background-color: #bbb; margi=
n: 0 0 24px; padding: 0; border-style: none; border-width: 24px 0 0;"/>
<h2 style=3D"font-size: 20px; font-family: 'Helvetica&#=
39;, 'Arial', sans-serif; font-weight: bold; line-height: 18px; col=
or: #333 !important; margin: 0; padding: 0;">From the team</h2>
=20=20=20=20=20=20=20=20=20=20=20=20
<p style=3D"font-family: 'Helvetica', 'Arial=
9;, sans-serif; font-weight: normal; font-size: 15px; line-height: 18px; co=
lor: #333;">
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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
The plight of a neural network can be approximated by a=
simple game we call "Where The Hell Are My Keys?"=20
<br style=3D"font-family: 'Helvetica', 'Ari=
al', sans-serif; font-weight: normal; font-size: 15px; line-height: 18p=
x; color: #333;"/><br style=3D"font-family: 'Helvetica', 'Arial=
', sans-serif; font-weight: normal; font-size: 15px; line-height: 18px;=
color: #333;"/>
Your aim is to find your keys in a messy room. The tile=
s color in as you search, revealing how close or far your last guess was fr=
om the keys. Without any clear indication of how to structure your guesses,=
you can nevertheless get better round after round, adjusting your strategy=
in response to feedback, eventually finding the keys in surprisingly few g=
uesses.
=20=20
<br style=3D"font-family: 'Helvetica', 'Ari=
al', sans-serif; font-weight: normal; font-size: 15px; line-height: 18p=
x; color: #333;"/><br style=3D"font-family: 'Helvetica', 'Arial=
', sans-serif; font-weight: normal; font-size: 15px; line-height: 18px;=
color: #333;"/>
<a href=3D"https://t.brilliant.org/e/c/eyJlbWFpbF9pZCI6=
IlJQNG9BUUFCY0pSbERpTEdoYXFlanZGWjRwM0kiLCJocmVmIjoiaHR0cHM6Ly9icmlsbGlhbnQ=
ub3JnL3ByYWN0aWNlL25ldXJhbC1uZXRzLz9wcm9ibGVtPWxvZ2ljLXByb2JsZW0tMTcwNzUyXH=
UwMDI2Y2hhcHRlcj1pbnRyb2R1Y3Rpb24tdG8tbmV1cmFsLW5ldHdvcmtzP2F1dG9fbG9naW5fa=
2V5PW03V0RaZFRnVmdsWWVPTjhCYVJDeTJiYnRaNFBKUFZyelR1TzVra2FXdVx1MDAyNnV0bV9z=
b3VyY2U9YnJpbGxpYW50XHUwMDI2dXRtX21lZGl1bT1lbWFpbFx1MDAyNnV0bV9jYW1wYWlnbj1=
mZWJydWFyeV8yMDIwX21vbnRobHlfbmV3c2xldHRlciIsImxpbmtfaWQiOjE5Mzk0MjkyNSwicG=
9zaXRpb24iOjV9/fe4d3efc54b73adb926fa0e82f4c23150fed85a096c9ffb5485bdaf47c75=
e853" style=3D"color: #03a9f4 !important; text-decoration: none;">
<img src=3D"https://static.brilliant.org/static/syn=
c/email-images/feb-2020-newsletter/keygame2.gif" style=3D"margin-left: auto=
; margin-right: auto; display: block; max-width: 100%; height: auto; line-h=
eight: 100%; outline: none; text-decoration: none; -ms-interpolation-mode: =
bicubic; border: 0 none;" width=3D"250"/>
</a>
<br style=3D"font-family: 'Helvetica', 'Ari=
al', sans-serif; font-weight: normal; font-size: 15px; line-height: 18p=
x; color: #333;"/><br style=3D"font-family: 'Helvetica', 'Arial=
', sans-serif; font-weight: normal; font-size: 15px; line-height: 18px;=
color: #333;"/>
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