<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-has-score="False" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="VerticalStudentView" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@e12e774392de4671b183dff40b882371" data-graded="True" data-runtime-class="LmsRuntime">
<h2 class="hd hd-2 unit-title">3.3.4. Video Lecture</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd">
<div class="xblock xblock-public_view xblock-public_view-video xmodule_display xmodule_VideoBlock" data-block-type="video" data-has-score="False" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="XBlockToXModuleShim" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd" data-graded="True" data-runtime-class="LmsRuntime">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Video"}
</script>
<h3 class="hd hd-2">Video</h3>
<div
id="video_4bcb9893789347058ce1f8e3b181d4fd"
class="video closed"
data-metadata='{"saveStateEnabled": false, "autoplay": false, "publishCompletionUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd/handler/publish_completion", "start": 0.0, "prioritizeHls": false, "saveStateUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd/handler/xmodule_handler/save_user_state", "recordedYoutubeIsAvailable": true, "streams": "1.00:JoJCX7qBNhs", "autoAdvance": false, "transcriptAvailableTranslationsUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd/handler/transcript/available_translations", "captionDataDir": null, "ytMetadataEndpoint": "", "showCaptions": "true", "lmsRootURL": "https://openlearninglibrary.mit.edu", "transcriptTranslationUrl": "/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd/handler/transcript/translation/__lang__", "ytApiUrl": "https://www.youtube.com/iframe_api", "transcriptLanguages": {"en": "English"}, "speed": null, "autohideHtml5": false, "generalSpeed": 1.0, "transcriptLanguage": "en", "savedVideoPosition": 0.0, "poster": "https://mitx-edx-video-meta-storage.s3.amazonaws.com/media/video-images/62066ea93b60400dafc763de7d44e51e.png?Signature=yZ0plYYGQ9YDktFSV5eFgFJf6Bs%3D&AWSAccessKeyId=ASIA4QDFFSUR63OMKI3E&Expires=1742293880&x-amz-security-token=IQoJb3JpZ2luX2VjEAMaCXVzLWVhc3QtMSJGMEQCIAGQV911gPnMpNGPmViJ2bd4%2Blk0hCcsvxc90BbYMgQmAiAWFf29fRISfPJh2PpdxUnQ%2BSWCmbvfCnbJv0fB8P2PLyq6BQhbEAMaDDg1OTIwNTYzNzQxMSIMCtaVvR42Jf2mBOyKKpcFg%2BIYHBGJwpY3ECOxClf1ebI7BhCTz8C6BxNCE5BgkLSGYp%2FgaoGNyRKNJ%2B3S9ktZ%2FnZAL0ZikzgJtyzz1S7%2FFbDkpXvvL1MFX13T0tbKIA7VrGV5GX5lzzUv9IiKdbNucAyQp%2BEZXMubnafUVnuYKGIOOzPYceCe14vosDCn71bBijUifKxTQcRt3wRap85T%2FrDz9WstJRk%2F24Ixt97TTzcwFND5juEyFtcAaaf6oSAcyjRXNuiWHog9yy5ojjLJOKhMVfEw9FMq79CuWF0EXsrfeQFbT%2BiARuALilfMS9hIkBzVQ9uJNowmEjKUraFpF7snMfvtQ8Lpeh%2Fj3X8jvF03lejOMCYf7%2BgSVdo7BdU9pJsCK0Gci6QWxFiawDd3we02FbiyVAgEoTnZOnDJKzd1DGpigXUBtw%2FjJyFloDPdYU6DEzRhkggZdVFEx3YQSHprM%2B%2BH9nFDuQLjJK8ob5il21crhKGOb3siwxLoRk0ZxH9JTjdTpX0pLREyMyo4lFQn7VnhiceUgqcE4GBxMM9DiMoGYCI3%2BcZxMzoOuq5o1UN4k3qyaEjsGGLIRg7qHSpuzsk2v7DeE9AxXZ1lgplp6WeFiZnUcLmG%2FCW695WaRxQKDbxMP4tsw9km9pSkSh%2BItdbLth1QJ6PCAwj1Ne329X08p%2F8K70ER4FSnUyvrpKal3MIjokJT%2BhYrtaxQ0PHASsJgFULIYWyDqLVXfswf1MqQUUOhDkjhkpjElwhjGywVUEhQO7zKX%2FYeNthiFBGkBZuJXLqdeEaRq%2FbjiJneCxQ6EODXeMYJ%2BykvFAQXz19fwaBLSCy0UxINAz6QrU0djUuJODhaibvf6GW5cbm2H9kEs8%2FiyBBUuGyTSIwwR%2Bm8dyi1MImL5b4GOrIBk6L52LMV59L%2BVfmwB4LZyhMzWef9dSxteu1vdKI%2BHvt7wVGEKNnCbm4q0RxaIznUz0F9138YDZpxZbtlpcIKcSagaYwBTQi0rQnpiSBSiYA3EOVwdqvUXG1pd6guXnVCwh5OGdteAG6pFm2C4NNmXfISu4PgJI9EW2r9mPgF3A2RgGV9sahADEOCF3N5kC5gG8nOFNEcVJkwycWX7AfmeVZ4VmCDXfnI%2BLisRYGchiEkyA%3D%3D", "sources": ["https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V011900/MITx22.011x-V011900.m3u8", "https://d2f1egay8yehza.cloudfront.net/MITx22.011x-V011900_DTH.mp4"], "duration": 345.26, "end": 0.0, "completionEnabled": false, "completionPercentage": 0.95, "ytTestTimeout": 1500}'
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="4bcb9893789347058ce1f8e3b181d4fd"></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_4bcb9893789347058ce1f8e3b181d4fd">Downloads and transcripts</h3>
<div class="wrapper-downloads" role="region" aria-labelledby="video-download-transcripts_4bcb9893789347058ce1f8e3b181d4fd">
<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+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd/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+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@4bcb9893789347058ce1f8e3b181d4fd/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-block-type="vertical" data-has-score="False" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="VerticalStudentView" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@2fb094c4362047398e6ca9980773cabe" data-graded="True" data-runtime-class="LmsRuntime">
<h2 class="hd hd-2 unit-title">3.3.4. Notes & Additional Material</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@html+block@c2bfff32f5cb4332aa17d3c0e9869cfd">
<div class="xblock xblock-public_view xblock-public_view-html xmodule_display xmodule_HtmlBlock" data-block-type="html" data-has-score="False" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="XBlockToXModuleShim" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@html+block@c2bfff32f5cb4332aa17d3c0e9869cfd" data-graded="True" data-runtime-class="LmsRuntime">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "HTMLModule"}
</script>
<p><strong>Use the following links to download this lecture's notes:</strong></p>
<p><a href="/assets/courseware/v1/397b60f82b42c5d8d7e3a34595b0baa2/asset-v1:MITx+22.011x+3T2018+type@asset+block/Unit_3.3.4_required_pdf_lecture_notes_v2.pdf" target="[object Object]">Lecture 3.3.4. [Enabling Research Toward a Fusion Power Plant] - Required Lecture Notes</a></p>
<p></p>
</div>
</div>
</div>
</div>
<div class="xblock xblock-public_view xblock-public_view-vertical" data-block-type="vertical" data-has-score="False" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="VerticalStudentView" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@vertical+block@f00d886e09d548248539f575bb6b1338" data-graded="True" data-runtime-class="LmsRuntime">
<h2 class="hd hd-2 unit-title">3.3.4. Required Assessment</h2>
<div class="vert-mod">
<div class="vert vert-0" data-id="block-v1:MITx+22.011x+3T2018+type@problem+block@bc441af907a8407cb01faf3f3cca04e2">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-has-score="True" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="XBlockToXModuleShim" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@bc441af907a8407cb01faf3f3cca04e2" data-graded="True" data-runtime-class="LmsRuntime">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_bc441af907a8407cb01faf3f3cca04e2" class="problems-wrapper" role="group"
aria-labelledby="bc441af907a8407cb01faf3f3cca04e2-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@bc441af907a8407cb01faf3f3cca04e2" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@bc441af907a8407cb01faf3f3cca04e2/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="bc441af907a8407cb01faf3f3cca04e2-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@bc441af907a8407cb01faf3f3cca04e2-problem-progress" tabindex="-1">
Assessment 1
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@bc441af907a8407cb01faf3f3cca04e2-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_bc441af907a8407cb01faf3f3cca04e2_2_1">
<fieldset aria-describedby="status_bc441af907a8407cb01faf3f3cca04e2_2_1 description_bc441af907a8407cb01faf3f3cca04e2_1_1">
<legend id="bc441af907a8407cb01faf3f3cca04e2_2_1-legend" class="response-fieldset-legend field-group-hd">Which of the following would NOT BE a major element of a fusion power plant?</legend>
<p class="question-description" id="description_bc441af907a8407cb01faf3f3cca04e2_1_1"> Select one answer. </p>
<div class="field">
<input type="radio" name="input_bc441af907a8407cb01faf3f3cca04e2_2_1" id="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="bc441af907a8407cb01faf3f3cca04e2_2_1-choice_0-label" for="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_bc441af907a8407cb01faf3f3cca04e2_2_1 description_bc441af907a8407cb01faf3f3cca04e2_1_1"> Power conversion system to turn kinetic energy of fusion neutrons into electricity
</label>
</div>
<div class="field">
<input type="radio" name="input_bc441af907a8407cb01faf3f3cca04e2_2_1" id="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="bc441af907a8407cb01faf3f3cca04e2_2_1-choice_1-label" for="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_bc441af907a8407cb01faf3f3cca04e2_2_1 description_bc441af907a8407cb01faf3f3cca04e2_1_1"> A blanket to breed tritium
</label>
</div>
<div class="field">
<input type="radio" name="input_bc441af907a8407cb01faf3f3cca04e2_2_1" id="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="bc441af907a8407cb01faf3f3cca04e2_2_1-choice_2-label" for="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_bc441af907a8407cb01faf3f3cca04e2_2_1 description_bc441af907a8407cb01faf3f3cca04e2_1_1"> Plasma heating system
</label>
</div>
<div class="field">
<input type="radio" name="input_bc441af907a8407cb01faf3f3cca04e2_2_1" id="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_3" class="field-input input-radio" value="choice_3"/><label id="bc441af907a8407cb01faf3f3cca04e2_2_1-choice_3-label" for="input_bc441af907a8407cb01faf3f3cca04e2_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_bc441af907a8407cb01faf3f3cca04e2_2_1 description_bc441af907a8407cb01faf3f3cca04e2_1_1"> Fuel pins or fuel rods (n)
</label>
</div>
<span id="answer_bc441af907a8407cb01faf3f3cca04e2_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_bc441af907a8407cb01faf3f3cca04e2_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Assessment 1" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_bc441af907a8407cb01faf3f3cca04e2" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_bc441af907a8407cb01faf3f3cca04e2">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="bc441af907a8407cb01faf3f3cca04e2-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="bc441af907a8407cb01faf3f3cca04e2-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="bc441af907a8407cb01faf3f3cca04e2-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-1" data-id="block-v1:MITx+22.011x+3T2018+type@problem+block@f86d33e7660c4a1485ec5426721dc72a">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-has-score="True" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="XBlockToXModuleShim" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@f86d33e7660c4a1485ec5426721dc72a" data-graded="True" data-runtime-class="LmsRuntime">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_f86d33e7660c4a1485ec5426721dc72a" class="problems-wrapper" role="group"
aria-labelledby="f86d33e7660c4a1485ec5426721dc72a-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@f86d33e7660c4a1485ec5426721dc72a" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@f86d33e7660c4a1485ec5426721dc72a/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="f86d33e7660c4a1485ec5426721dc72a-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@f86d33e7660c4a1485ec5426721dc72a-problem-progress" tabindex="-1">
Assessment 2
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@f86d33e7660c4a1485ec5426721dc72a-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_f86d33e7660c4a1485ec5426721dc72a_2_1">
<fieldset aria-describedby="status_f86d33e7660c4a1485ec5426721dc72a_2_1 description_f86d33e7660c4a1485ec5426721dc72a_1_1">
<legend id="f86d33e7660c4a1485ec5426721dc72a_2_1-legend" class="response-fieldset-legend field-group-hd">What makes the fusion power plant environment so harsh from a materials perspective?</legend>
<p class="question-description" id="description_f86d33e7660c4a1485ec5426721dc72a_1_1"> Check all that apply. </p>
<div class="field">
<input type="checkbox" name="input_f86d33e7660c4a1485ec5426721dc72a_2_1[]" id="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="f86d33e7660c4a1485ec5426721dc72a_2_1-choice_0-label" for="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_f86d33e7660c4a1485ec5426721dc72a_2_1 description_f86d33e7660c4a1485ec5426721dc72a_1_1"> the tritium can become embedded in materials and is difficult to recover and use as fuel
</label>
</div>
<div class="field">
<input type="checkbox" name="input_f86d33e7660c4a1485ec5426721dc72a_2_1[]" id="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="f86d33e7660c4a1485ec5426721dc72a_2_1-choice_1-label" for="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_f86d33e7660c4a1485ec5426721dc72a_2_1 description_f86d33e7660c4a1485ec5426721dc72a_1_1"> many structures will be in close proximity to a very high neutron flux
</label>
</div>
<div class="field">
<input type="checkbox" name="input_f86d33e7660c4a1485ec5426721dc72a_2_1[]" id="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="f86d33e7660c4a1485ec5426721dc72a_2_1-choice_2-label" for="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_f86d33e7660c4a1485ec5426721dc72a_2_1 description_f86d33e7660c4a1485ec5426721dc72a_1_1"> very high heat and particle fluxes must be adequately exhausted at the boundary between the plasma and material surfaces.
</label>
</div>
<div class="field">
<input type="checkbox" name="input_f86d33e7660c4a1485ec5426721dc72a_2_1[]" id="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="f86d33e7660c4a1485ec5426721dc72a_2_1-choice_3-label" for="input_f86d33e7660c4a1485ec5426721dc72a_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_f86d33e7660c4a1485ec5426721dc72a_2_1 description_f86d33e7660c4a1485ec5426721dc72a_1_1"> the physics of nanostructures in materials cannot be adequately modeled at this time
</label>
</div>
<span id="answer_f86d33e7660c4a1485ec5426721dc72a_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_f86d33e7660c4a1485ec5426721dc72a_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Assessment 2" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_f86d33e7660c4a1485ec5426721dc72a" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_f86d33e7660c4a1485ec5426721dc72a">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="f86d33e7660c4a1485ec5426721dc72a-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="f86d33e7660c4a1485ec5426721dc72a-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="f86d33e7660c4a1485ec5426721dc72a-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
<div class="vert vert-2" data-id="block-v1:MITx+22.011x+3T2018+type@problem+block@7d2d3dffe7b448de86e8323105417e63">
<div class="xblock xblock-public_view xblock-public_view-problem xmodule_display xmodule_ProblemBlock" data-block-type="problem" data-has-score="True" data-runtime-version="1" data-course-id="course-v1:MITx+22.011x+3T2018" data-init="XBlockToXModuleShim" data-request-token="6ea5b72e03e311f099b302fa081815af" data-usage-id="block-v1:MITx+22.011x+3T2018+type@problem+block@7d2d3dffe7b448de86e8323105417e63" data-graded="True" data-runtime-class="LmsRuntime">
<script type="json/xblock-args" class="xblock-json-init-args">
{"xmodule-type": "Problem"}
</script>
<div id="problem_7d2d3dffe7b448de86e8323105417e63" class="problems-wrapper" role="group"
aria-labelledby="7d2d3dffe7b448de86e8323105417e63-problem-title"
data-problem-id="block-v1:MITx+22.011x+3T2018+type@problem+block@7d2d3dffe7b448de86e8323105417e63" data-url="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@problem+block@7d2d3dffe7b448de86e8323105417e63/handler/xmodule_handler"
data-problem-score="0"
data-problem-total-possible="1"
data-attempts-used="0"
data-content="
<h3 class="hd hd-3 problem-header" id="7d2d3dffe7b448de86e8323105417e63-problem-title" aria-describedby="block-v1:MITx+22.011x+3T2018+type@problem+block@7d2d3dffe7b448de86e8323105417e63-problem-progress" tabindex="-1">
Assessment 3
</h3>
<div class="problem-progress" id="block-v1:MITx+22.011x+3T2018+type@problem+block@7d2d3dffe7b448de86e8323105417e63-problem-progress"></div>
<div class="problem">
<div>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_7d2d3dffe7b448de86e8323105417e63_2_1">
<fieldset aria-describedby="status_7d2d3dffe7b448de86e8323105417e63_2_1 description_7d2d3dffe7b448de86e8323105417e63_1_1">
<legend id="7d2d3dffe7b448de86e8323105417e63_2_1-legend" class="response-fieldset-legend field-group-hd">Several countries have official fusion roadmaps. What do all these roadmaps have in common?</legend>
<p class="question-description" id="description_7d2d3dffe7b448de86e8323105417e63_1_1"> Select one answer. </p>
<div class="field">
<input type="radio" name="input_7d2d3dffe7b448de86e8323105417e63_2_1" id="input_7d2d3dffe7b448de86e8323105417e63_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="7d2d3dffe7b448de86e8323105417e63_2_1-choice_0-label" for="input_7d2d3dffe7b448de86e8323105417e63_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_7d2d3dffe7b448de86e8323105417e63_2_1 description_7d2d3dffe7b448de86e8323105417e63_1_1"> Larger and larger tokamaks built in sequence over many decades, before culminating in a fusion power plant capable of producing ~\(1GWe\)
</label>
</div>
<div class="field">
<input type="radio" name="input_7d2d3dffe7b448de86e8323105417e63_2_1" id="input_7d2d3dffe7b448de86e8323105417e63_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="7d2d3dffe7b448de86e8323105417e63_2_1-choice_1-label" for="input_7d2d3dffe7b448de86e8323105417e63_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_7d2d3dffe7b448de86e8323105417e63_2_1 description_7d2d3dffe7b448de86e8323105417e63_1_1"> Many alternate magnetic confinement configurations (non-tokamak devices) built in parallel to achieve fast turnaround on science and engineering
</label>
</div>
<div class="field">
<input type="radio" name="input_7d2d3dffe7b448de86e8323105417e63_2_1" id="input_7d2d3dffe7b448de86e8323105417e63_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="7d2d3dffe7b448de86e8323105417e63_2_1-choice_2-label" for="input_7d2d3dffe7b448de86e8323105417e63_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_7d2d3dffe7b448de86e8323105417e63_2_1 description_7d2d3dffe7b448de86e8323105417e63_1_1"> Many compact tokamaks built in parallel to achieve fast turnaround on science and engineering
</label>
</div>
<span id="answer_7d2d3dffe7b448de86e8323105417e63_2_1"/>
</fieldset>
<div class="indicator-container">
<span class="status unanswered" id="status_7d2d3dffe7b448de86e8323105417e63_2_1" data-tooltip="Not yet answered.">
<span class="sr">unanswered</span><span class="status-icon" aria-hidden="true"/>
</span>
</div>
</div></div>
</div>
<div class="action">
<input type="hidden" name="problem_id" value="Assessment 3" />
<div class="submit-attempt-container">
<button type="button" class="submit btn-brand" data-submitting="Submitting" data-value="Submit" data-should-enable-submit-button="True" aria-describedby="submission_feedback_7d2d3dffe7b448de86e8323105417e63" >
<span class="submit-label">Submit</span>
</button>
<div class="submission-feedback" id="submission_feedback_7d2d3dffe7b448de86e8323105417e63">
<span class="sr">Some problems have options such as save, reset, hints, or show answer. These options follow the Submit button.</span>
</div>
</div>
<div class="problem-action-buttons-wrapper">
</div>
</div>
<div class="notification warning notification-gentle-alert
is-hidden"
tabindex="-1">
<span class="icon fa fa-exclamation-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="7d2d3dffe7b448de86e8323105417e63-problem-title">
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification warning notification-save
is-hidden"
tabindex="-1">
<span class="icon fa fa-save" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="7d2d3dffe7b448de86e8323105417e63-problem-title">None
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
<div class="notification general notification-show-answer
is-hidden"
tabindex="-1">
<span class="icon fa fa-info-circle" aria-hidden="true"></span>
<span class="notification-message" aria-describedby="7d2d3dffe7b448de86e8323105417e63-problem-title">Answers are displayed within the problem
</span>
<div class="notification-btn-wrapper">
<button type="button" class="btn btn-default btn-small notification-btn review-btn sr">Review</button>
</div>
</div>
</div>
"
data-graded="True">
<p class="loading-spinner">
<i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i>
<span class="sr">Loading…</span>
</p>
</div>
</div>
</div>
</div>
</div>
© All Rights Reserved