<div class="xblock xblock-public_view xblock-public_view-vertical" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="VerticalStudentView" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@vertical+block@7fe893afc4044b18abef3ee484118f30" data-block-type="vertical" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<h2 class="hd hd-2 unit-title">Introduction: The Crystalline State</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="XBlockToXModuleShim" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f" data-block-type="video" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Introduction: The Crystalline State</h3>
<div
id="video_a2813dcdd86649dbb7453ce10ad1554f"
class="video closed"
data-metadata='{"start": 0.0, "saveStateEnabled": false, "autohideHtml5": false, "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f/handler/transcript/available_translations", "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/ddccb26394484480a0bae2c0d5d561de.png?x-amz-security-token=IQoJb3JpZ2luX2VjEMv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJHMEUCIQCm6k0ETxCLiRp9rGSBKbJoYLsROnZZ8v4vATMP4D2sCAIgSq4xnP4rsXW16CO7S9dgAiU%2FxVoNOZF7P8k1UbeAFXsqwgUIlP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAEGgw4NTkyMDU2Mzc0MTEiDK8AfTvE4SIJG8n7xiqWBYvcZqj6NArwhVc9Z9wHK%2BMhl96ch%2FiCP%2FWqiMHklSJbpGlnuhKyyKpl0WWHEJBsHWKeKz%2B2jN3TxSyd%2FsvU32SMhbYxwBkdjAbexLluWmkGvClR5W5ZOAZqRKH8E2sFf1mdUvdAe5b0K1ZiwsWgQrRauiE6wukH1pu8nwkWda%2B9CXskLxGgzyRqBkr9Kt3GBitP9tUskJ05coMlehLacvbuoTv69ieH3EUdimPOYF9iYmOjcPfodOEBG9l7BY5ZbUhl9uRy52FkZ8Ag%2BFJs5VS2bZWq4M25tyFZBEoruvLYnvVFstT37%2BfJ4oRVjPWKv468MTvAaEejmlVWLmyBuv3Vji3qyIR%2FJp0UutylomAMZzB7%2FkFjbSPGe14boHD118VkMG4WbCB8MrFEfvYPG5PVrmABKEgz30res%2F%2BoS1kNE1ehDur3TumlFgPd3dWw4b6tnvShv%2BOyd%2FWsiBD4vjKYAHZ5oeUwyJS41x2G99vuhdWTwSh9qHU65vMLOPcdf%2BqrRj3cXnsrSko629H%2BrHRq7z6oALrbPuJTUdgNMGu9275HsyRXe%2Fl91q7exR%2B%2BHaFiNVrnl%2BeIe7sIaeiZZLV0eD8dxzbMxmNDw3p%2Bh5YdpsTV4nBKpVdnk38As8P0r1O10bzE9Bwi3i6f5nWXuD9Ggn2HYZDJ4DrdPJl0YsctqBVK1CJHc8NnOiQ%2F%2F9n74SAaTOFJODqF58F0gV3yhFXnUom9kvPU4P4DMYuC9Lbe9S1UA0se1b%2BvgTUwcUGs8xPzkTTfb0lE6WhRGTvTNxoJNIX1sahRZt80FfhPoRJnwvcFPKfcjegGFgWgPrjLhrcq0dpLkh3f%2BnZ8s2ebuYYlr2SsE472ng9qwZ6JrI%2B1OLGl%2F%2BLTMNr5wc4GOrEBiuIpWuCY9V4VTL937pi6GXvMHIQeynMJXVGZ6UsYVEmfdxGzWo80xXVYgLcB580VAbgxkl1OJ7olGy1fbHIeTLINiqm9tdxGgtidcDHfzX%2BbdQGK6e8Koqxxqrs%2By3CmQreIyCeL5qTpL%2FQSvFB8AXxfjPlcjYojFOtkaw%2BEef5rfmEUbgrkPFzAsBGGvdqrs%2F5a%2FTxB%2F1T14LKGB0K559SfZWYHiDHap0B6FPiBYXNO&AWSAccessKeyId=ASIA4QDFFSURYI7Z4WWF&Signature=%2FzcM6GIYfaiXHlfuVd7cAkkQmSs%3D&Expires=1775272181", "savedVideoPosition": 0.0, "publishCompletionUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f/handler/publish_completion", "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT301212017-V001600_DTH.mp4", "https://d2f1egay8yehza.cloudfront.net/MIT301212017-V001600/MIT301212017-V001600.m3u8"], "completionEnabled": false, "captionDataDir": null, "ytTestTimeout": 1500, "saveStateUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f/handler/xmodule_handler/save_user_state", "recordedYoutubeIsAvailable": true, "prioritizeHls": false, "showCaptions": "true", "streams": "1.00:KDqMEbabF1M", "end": 0.0, "speed": null, "lmsRootURL": "https://openlearninglibrary.mit.edu", "autoAdvance": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f/handler/transcript/translation/__lang__", "duration": 426.03, "generalSpeed": 1.0, "transcriptLanguages": {"en": "English"}, "autoplay": false, "completionPercentage": 0.95, "ytApiUrl": "https://www.youtube.com/iframe_api", "transcriptLanguage": "en", "ytMetadataEndpoint": ""}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="a2813dcdd86649dbb7453ce10ad1554f"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_a2813dcdd86649dbb7453ce10ad1554f">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_a2813dcdd86649dbb7453ce10ad1554f">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@a2813dcdd86649dbb7453ce10ad1554f/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="VerticalStudentView" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@vertical+block@69623cdb2aa9454ab4fc238a3a5bd964" data-block-type="vertical" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<h2 class="hd hd-2 unit-title">Translational Symmetry</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="XBlockToXModuleShim" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a" data-block-type="video" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Translational Symmetry</h3>
<div
id="video_d0ca2101604342218de552ac0b0d967a"
class="video closed"
data-metadata='{"start": 0.0, "saveStateEnabled": false, "autohideHtml5": false, "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a/handler/transcript/available_translations", "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/a09ccbaaa7724105ab1a05c749fc4892.png?x-amz-security-token=IQoJb3JpZ2luX2VjEMv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJHMEUCIQCm6k0ETxCLiRp9rGSBKbJoYLsROnZZ8v4vATMP4D2sCAIgSq4xnP4rsXW16CO7S9dgAiU%2FxVoNOZF7P8k1UbeAFXsqwgUIlP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAEGgw4NTkyMDU2Mzc0MTEiDK8AfTvE4SIJG8n7xiqWBYvcZqj6NArwhVc9Z9wHK%2BMhl96ch%2FiCP%2FWqiMHklSJbpGlnuhKyyKpl0WWHEJBsHWKeKz%2B2jN3TxSyd%2FsvU32SMhbYxwBkdjAbexLluWmkGvClR5W5ZOAZqRKH8E2sFf1mdUvdAe5b0K1ZiwsWgQrRauiE6wukH1pu8nwkWda%2B9CXskLxGgzyRqBkr9Kt3GBitP9tUskJ05coMlehLacvbuoTv69ieH3EUdimPOYF9iYmOjcPfodOEBG9l7BY5ZbUhl9uRy52FkZ8Ag%2BFJs5VS2bZWq4M25tyFZBEoruvLYnvVFstT37%2BfJ4oRVjPWKv468MTvAaEejmlVWLmyBuv3Vji3qyIR%2FJp0UutylomAMZzB7%2FkFjbSPGe14boHD118VkMG4WbCB8MrFEfvYPG5PVrmABKEgz30res%2F%2BoS1kNE1ehDur3TumlFgPd3dWw4b6tnvShv%2BOyd%2FWsiBD4vjKYAHZ5oeUwyJS41x2G99vuhdWTwSh9qHU65vMLOPcdf%2BqrRj3cXnsrSko629H%2BrHRq7z6oALrbPuJTUdgNMGu9275HsyRXe%2Fl91q7exR%2B%2BHaFiNVrnl%2BeIe7sIaeiZZLV0eD8dxzbMxmNDw3p%2Bh5YdpsTV4nBKpVdnk38As8P0r1O10bzE9Bwi3i6f5nWXuD9Ggn2HYZDJ4DrdPJl0YsctqBVK1CJHc8NnOiQ%2F%2F9n74SAaTOFJODqF58F0gV3yhFXnUom9kvPU4P4DMYuC9Lbe9S1UA0se1b%2BvgTUwcUGs8xPzkTTfb0lE6WhRGTvTNxoJNIX1sahRZt80FfhPoRJnwvcFPKfcjegGFgWgPrjLhrcq0dpLkh3f%2BnZ8s2ebuYYlr2SsE472ng9qwZ6JrI%2B1OLGl%2F%2BLTMNr5wc4GOrEBiuIpWuCY9V4VTL937pi6GXvMHIQeynMJXVGZ6UsYVEmfdxGzWo80xXVYgLcB580VAbgxkl1OJ7olGy1fbHIeTLINiqm9tdxGgtidcDHfzX%2BbdQGK6e8Koqxxqrs%2By3CmQreIyCeL5qTpL%2FQSvFB8AXxfjPlcjYojFOtkaw%2BEef5rfmEUbgrkPFzAsBGGvdqrs%2F5a%2FTxB%2F1T14LKGB0K559SfZWYHiDHap0B6FPiBYXNO&AWSAccessKeyId=ASIA4QDFFSURYI7Z4WWF&Signature=1Qzvle691RewioOvwuZ%2Bq6jiD6k%3D&Expires=1775272181", "savedVideoPosition": 0.0, "publishCompletionUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a/handler/publish_completion", "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT301212017-V000800_DTH.mp4", "https://d2f1egay8yehza.cloudfront.net/MIT301212017-V000800/MIT301212017-V000800.m3u8"], "completionEnabled": false, "captionDataDir": null, "ytTestTimeout": 1500, "saveStateUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a/handler/xmodule_handler/save_user_state", "recordedYoutubeIsAvailable": true, "prioritizeHls": false, "showCaptions": "true", "streams": "1.00:7ctGqYfr_Gc", "end": 0.0, "speed": null, "lmsRootURL": "https://openlearninglibrary.mit.edu", "autoAdvance": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a/handler/transcript/translation/__lang__", "duration": 587.43, "generalSpeed": 1.0, "transcriptLanguages": {"en": "English"}, "autoplay": false, "completionPercentage": 0.95, "ytApiUrl": "https://www.youtube.com/iframe_api", "transcriptLanguage": "en", "ytMetadataEndpoint": ""}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="d0ca2101604342218de552ac0b0d967a"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_d0ca2101604342218de552ac0b0d967a">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_d0ca2101604342218de552ac0b0d967a">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d0ca2101604342218de552ac0b0d967a/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="VerticalStudentView" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@vertical+block@57b5353bc8e041659aa3f8ebff542c14" data-block-type="vertical" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<h2 class="hd hd-2 unit-title">The Crystalline State in 2D</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="XBlockToXModuleShim" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f" data-block-type="video" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">The Crystalline State in 2D</h3>
<div
id="video_d5375547f1664e7cb367c266600d8b9f"
class="video closed"
data-metadata='{"start": 0.0, "saveStateEnabled": false, "autohideHtml5": false, "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f/handler/transcript/available_translations", "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/a9ee167d4ff944ff8568818ee3002459.png?x-amz-security-token=IQoJb3JpZ2luX2VjEMv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJHMEUCIQCm6k0ETxCLiRp9rGSBKbJoYLsROnZZ8v4vATMP4D2sCAIgSq4xnP4rsXW16CO7S9dgAiU%2FxVoNOZF7P8k1UbeAFXsqwgUIlP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAEGgw4NTkyMDU2Mzc0MTEiDK8AfTvE4SIJG8n7xiqWBYvcZqj6NArwhVc9Z9wHK%2BMhl96ch%2FiCP%2FWqiMHklSJbpGlnuhKyyKpl0WWHEJBsHWKeKz%2B2jN3TxSyd%2FsvU32SMhbYxwBkdjAbexLluWmkGvClR5W5ZOAZqRKH8E2sFf1mdUvdAe5b0K1ZiwsWgQrRauiE6wukH1pu8nwkWda%2B9CXskLxGgzyRqBkr9Kt3GBitP9tUskJ05coMlehLacvbuoTv69ieH3EUdimPOYF9iYmOjcPfodOEBG9l7BY5ZbUhl9uRy52FkZ8Ag%2BFJs5VS2bZWq4M25tyFZBEoruvLYnvVFstT37%2BfJ4oRVjPWKv468MTvAaEejmlVWLmyBuv3Vji3qyIR%2FJp0UutylomAMZzB7%2FkFjbSPGe14boHD118VkMG4WbCB8MrFEfvYPG5PVrmABKEgz30res%2F%2BoS1kNE1ehDur3TumlFgPd3dWw4b6tnvShv%2BOyd%2FWsiBD4vjKYAHZ5oeUwyJS41x2G99vuhdWTwSh9qHU65vMLOPcdf%2BqrRj3cXnsrSko629H%2BrHRq7z6oALrbPuJTUdgNMGu9275HsyRXe%2Fl91q7exR%2B%2BHaFiNVrnl%2BeIe7sIaeiZZLV0eD8dxzbMxmNDw3p%2Bh5YdpsTV4nBKpVdnk38As8P0r1O10bzE9Bwi3i6f5nWXuD9Ggn2HYZDJ4DrdPJl0YsctqBVK1CJHc8NnOiQ%2F%2F9n74SAaTOFJODqF58F0gV3yhFXnUom9kvPU4P4DMYuC9Lbe9S1UA0se1b%2BvgTUwcUGs8xPzkTTfb0lE6WhRGTvTNxoJNIX1sahRZt80FfhPoRJnwvcFPKfcjegGFgWgPrjLhrcq0dpLkh3f%2BnZ8s2ebuYYlr2SsE472ng9qwZ6JrI%2B1OLGl%2F%2BLTMNr5wc4GOrEBiuIpWuCY9V4VTL937pi6GXvMHIQeynMJXVGZ6UsYVEmfdxGzWo80xXVYgLcB580VAbgxkl1OJ7olGy1fbHIeTLINiqm9tdxGgtidcDHfzX%2BbdQGK6e8Koqxxqrs%2By3CmQreIyCeL5qTpL%2FQSvFB8AXxfjPlcjYojFOtkaw%2BEef5rfmEUbgrkPFzAsBGGvdqrs%2F5a%2FTxB%2F1T14LKGB0K559SfZWYHiDHap0B6FPiBYXNO&AWSAccessKeyId=ASIA4QDFFSURYI7Z4WWF&Signature=cU8HQh3Jqo7%2FmDszBdfeWbnH6MM%3D&Expires=1775272181", "savedVideoPosition": 0.0, "publishCompletionUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f/handler/publish_completion", "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT301212017-V002100_DTH.mp4", "https://d2f1egay8yehza.cloudfront.net/MIT301212017-V002100/MIT301212017-V002100.m3u8"], "completionEnabled": false, "captionDataDir": null, "ytTestTimeout": 1500, "saveStateUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f/handler/xmodule_handler/save_user_state", "recordedYoutubeIsAvailable": true, "prioritizeHls": false, "showCaptions": "true", "streams": "1.00:KfMqHQWVkco", "end": 0.0, "speed": null, "lmsRootURL": "https://openlearninglibrary.mit.edu", "autoAdvance": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f/handler/transcript/translation/__lang__", "duration": 989.16, "generalSpeed": 1.0, "transcriptLanguages": {"en": "English"}, "autoplay": false, "completionPercentage": 0.95, "ytApiUrl": "https://www.youtube.com/iframe_api", "transcriptLanguage": "en", "ytMetadataEndpoint": ""}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="d5375547f1664e7cb367c266600d8b9f"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_d5375547f1664e7cb367c266600d8b9f">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_d5375547f1664e7cb367c266600d8b9f">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@d5375547f1664e7cb367c266600d8b9f/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="VerticalStudentView" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@vertical+block@06c8d1ca64814367af0f6fc34faaad1f" data-block-type="vertical" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<h2 class="hd hd-2 unit-title">The Crystalline State in 3D</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-course-id="course-v1:MITx+3.012S.1x+1T2019" data-init="XBlockToXModuleShim" data-request-token="05e3a3962fd311f1950a0ea3b3d414b7" data-has-score="False" data-usage-id="block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4" data-block-type="video" data-runtime-version="1" data-runtime-class="LmsRuntime" data-graded="False">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">The Crystalline State in 3D</h3>
<div
id="video_cd2d9a4d03d648bf9f17182c999ffef4"
class="video closed"
data-metadata='{"start": 0.0, "saveStateEnabled": false, "autohideHtml5": false, "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4/handler/transcript/available_translations", "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/bd53d96aed084c8eb9fc08a049d89144.png?x-amz-security-token=IQoJb3JpZ2luX2VjEMv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJHMEUCIQCm6k0ETxCLiRp9rGSBKbJoYLsROnZZ8v4vATMP4D2sCAIgSq4xnP4rsXW16CO7S9dgAiU%2FxVoNOZF7P8k1UbeAFXsqwgUIlP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAEGgw4NTkyMDU2Mzc0MTEiDK8AfTvE4SIJG8n7xiqWBYvcZqj6NArwhVc9Z9wHK%2BMhl96ch%2FiCP%2FWqiMHklSJbpGlnuhKyyKpl0WWHEJBsHWKeKz%2B2jN3TxSyd%2FsvU32SMhbYxwBkdjAbexLluWmkGvClR5W5ZOAZqRKH8E2sFf1mdUvdAe5b0K1ZiwsWgQrRauiE6wukH1pu8nwkWda%2B9CXskLxGgzyRqBkr9Kt3GBitP9tUskJ05coMlehLacvbuoTv69ieH3EUdimPOYF9iYmOjcPfodOEBG9l7BY5ZbUhl9uRy52FkZ8Ag%2BFJs5VS2bZWq4M25tyFZBEoruvLYnvVFstT37%2BfJ4oRVjPWKv468MTvAaEejmlVWLmyBuv3Vji3qyIR%2FJp0UutylomAMZzB7%2FkFjbSPGe14boHD118VkMG4WbCB8MrFEfvYPG5PVrmABKEgz30res%2F%2BoS1kNE1ehDur3TumlFgPd3dWw4b6tnvShv%2BOyd%2FWsiBD4vjKYAHZ5oeUwyJS41x2G99vuhdWTwSh9qHU65vMLOPcdf%2BqrRj3cXnsrSko629H%2BrHRq7z6oALrbPuJTUdgNMGu9275HsyRXe%2Fl91q7exR%2B%2BHaFiNVrnl%2BeIe7sIaeiZZLV0eD8dxzbMxmNDw3p%2Bh5YdpsTV4nBKpVdnk38As8P0r1O10bzE9Bwi3i6f5nWXuD9Ggn2HYZDJ4DrdPJl0YsctqBVK1CJHc8NnOiQ%2F%2F9n74SAaTOFJODqF58F0gV3yhFXnUom9kvPU4P4DMYuC9Lbe9S1UA0se1b%2BvgTUwcUGs8xPzkTTfb0lE6WhRGTvTNxoJNIX1sahRZt80FfhPoRJnwvcFPKfcjegGFgWgPrjLhrcq0dpLkh3f%2BnZ8s2ebuYYlr2SsE472ng9qwZ6JrI%2B1OLGl%2F%2BLTMNr5wc4GOrEBiuIpWuCY9V4VTL937pi6GXvMHIQeynMJXVGZ6UsYVEmfdxGzWo80xXVYgLcB580VAbgxkl1OJ7olGy1fbHIeTLINiqm9tdxGgtidcDHfzX%2BbdQGK6e8Koqxxqrs%2By3CmQreIyCeL5qTpL%2FQSvFB8AXxfjPlcjYojFOtkaw%2BEef5rfmEUbgrkPFzAsBGGvdqrs%2F5a%2FTxB%2F1T14LKGB0K559SfZWYHiDHap0B6FPiBYXNO&AWSAccessKeyId=ASIA4QDFFSURYI7Z4WWF&Signature=%2Fcn%2Bf19F3px4q2rrwIiIGNgm3ds%3D&Expires=1775272181", "savedVideoPosition": 0.0, "publishCompletionUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4/handler/publish_completion", "sources": ["https://d2f1egay8yehza.cloudfront.net/MIT301212017-V000600_DTH.mp4", "https://d2f1egay8yehza.cloudfront.net/MIT301212017-V000600/MIT301212017-V000600.m3u8"], "completionEnabled": false, "captionDataDir": null, "ytTestTimeout": 1500, "saveStateUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4/handler/xmodule_handler/save_user_state", "recordedYoutubeIsAvailable": true, "prioritizeHls": false, "showCaptions": "true", "streams": "1.00:ZJaHDExLEAA", "end": 0.0, "speed": null, "lmsRootURL": "https://openlearninglibrary.mit.edu", "autoAdvance": false, "transcriptTranslationUrl": "/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4/handler/transcript/translation/__lang__", "duration": 578.22, "generalSpeed": 1.0, "transcriptLanguages": {"en": "English"}, "autoplay": false, "completionPercentage": 0.95, "ytApiUrl": "https://www.youtube.com/iframe_api", "transcriptLanguage": "en", "ytMetadataEndpoint": ""}'
data-bumper-metadata='null'
data-autoadvance-enabled="False"
data-poster='null'
tabindex="-1"
>
<div class="focus_grabber first"></div>
<div class="tc-wrapper">
<div class="video-wrapper">
<span tabindex="0" class="spinner" aria-hidden="false" aria-label="Loading video player"></span>
<span tabindex="-1" class="btn-play fa fa-youtube-play fa-2x is-hidden" aria-hidden="true" aria-label="Play video"></span>
<div class="video-player-pre"></div>
<div class="video-player">
<div id="cd2d9a4d03d648bf9f17182c999ffef4"></div>
<h4 class="hd hd-4 video-error is-hidden">No playable video sources found.</h4>
<h4 class="hd hd-4 video-hls-error is-hidden">
Your browser does not support this video format. Try using a different browser.
</h4>
</div>
<div class="video-player-post"></div>
<div class="closed-captions"></div>
<div class="video-controls is-hidden">
<div>
<div class="vcr"><div class="vidtime">0:00 / 0:00</div></div>
<div class="secondary-controls"></div>
</div>
</div>
</div>
</div>
<div class="focus_grabber last"></div>
<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_cd2d9a4d03d648bf9f17182c999ffef4">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_cd2d9a4d03d648bf9f17182c999ffef4">
<div class="wrapper-download-transcripts">
<h4 class="hd hd-5">Transcripts</h4>
<ul class="list-download-transcripts">
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
</li>
<li class="transcript-option">
<a class="btn btn-link" href="/courses/course-v1:MITx+3.012S.1x+1T2019/xblock/block-v1:MITx+3.012S.1x+1T2019+type@video+block@cd2d9a4d03d648bf9f17182c999ffef4/handler/transcript/download" data-value="txt">Download Text (.txt) file</a>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
© All Rights Reserved