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<h2 class="hd hd-2 unit-title">3.1.5. Video Lecture</h2>
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<h2 class="hd hd-2 unit-title">3.1.5. Notes & Additional Material</h2>
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<p><strong>Use the following links to download this lecture's notes:</strong></p>
<p><a href="/assets/courseware/v1/5df75c8264dd933f19c7107545ec6480/asset-v1:MITx+22.011x+3T2018+type@asset+block/Unit_3.1.5_required_pdf_lecture_notes__vf.pdf" target="[object Object]">Lecture 3.1.5. [The Promise of Fusion] - Required Lecture Notes</a></p>
<p><a href="/assets/courseware/v1/163edc39a46b5fca24bea89010e5f137/asset-v1:MITx+22.011x+3T2018+type@asset+block/Unit_3.1.5_optional_pdf_lecture_notes_vf.pdf" target="[object Object]">Lecture 3.1.5. [The Promise of Fusion] - Optional Lecture Notes</a></p>
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<h2 class="hd hd-2 unit-title">3.1.5. Required Assessment</h2>
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Assessment 1
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<legend id="dcc51fda556c4b7cab7d883d20537758_2_1-legend" class="response-fieldset-legend field-group-hd">For the \(D-T\) fusion reaction, roughly how much more energy per kg is produced compared to a chemical reaction, such as burning coal?</legend>
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Assessment 2
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<legend id="bbf72c5a92a94ce5b34f570f9a116486_2_1-legend" class="response-fieldset-legend field-group-hd">In addition to deuterium \(D\) and tritium \(T\), what other isotope is used in the fusion fuel cycle (specifically, this isotope can be used to make tritium)?</legend>
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Assessment 3
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<legend id="ad9a8bd0276f496e83f265e9af49d0e1_2_1-legend" class="response-fieldset-legend field-group-hd">Scientists have been studying how to harness fusion energy to make clean electricity for decades. What are some benefits of fusion energy?</legend>
<p class="question-description" id="description_ad9a8bd0276f496e83f265e9af49d0e1_1_1">Choose all that apply. </p>
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<input type="checkbox" name="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1[]" id="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="ad9a8bd0276f496e83f265e9af49d0e1_2_1-choice_0-label" for="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_ad9a8bd0276f496e83f265e9af49d0e1_2_1 description_ad9a8bd0276f496e83f265e9af49d0e1_1_1"> Fusion energy, like fission energy, does not release carbon dioxide CO2 and other greenhouse gases
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<input type="checkbox" name="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1[]" id="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="ad9a8bd0276f496e83f265e9af49d0e1_2_1-choice_1-label" for="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_ad9a8bd0276f496e83f265e9af49d0e1_2_1 description_ad9a8bd0276f496e83f265e9af49d0e1_1_1"> A fusion reactor cannot &#8220;meltdown&#8221;
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<input type="checkbox" name="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1[]" id="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="ad9a8bd0276f496e83f265e9af49d0e1_2_1-choice_2-label" for="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_ad9a8bd0276f496e83f265e9af49d0e1_2_1 description_ad9a8bd0276f496e83f265e9af49d0e1_1_1"> Fusion energy is very easy to generate on earth, and it is simple to translate fusion reactions from the laboratory to a power plant
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<input type="checkbox" name="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1[]" id="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="ad9a8bd0276f496e83f265e9af49d0e1_2_1-choice_3-label" for="input_ad9a8bd0276f496e83f265e9af49d0e1_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_ad9a8bd0276f496e83f265e9af49d0e1_2_1 description_ad9a8bd0276f496e83f265e9af49d0e1_1_1"> Tritium is radioactive, but can be handled safely in a fusion power plant, as it is in many scientific and industrial applications
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Assessment 4
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<legend id="0a3bc282fd0943d3919d0b294ac1a643_2_1-legend" class="response-fieldset-legend field-group-hd">Which of the following sentences are true?</legend>
<p class="question-description" id="description_0a3bc282fd0943d3919d0b294ac1a643_1_1">Choose all that apply. </p>
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<input type="checkbox" name="input_0a3bc282fd0943d3919d0b294ac1a643_2_1[]" id="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_0" class="field-input input-checkbox" value="choice_0"/><label id="0a3bc282fd0943d3919d0b294ac1a643_2_1-choice_0-label" for="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_0a3bc282fd0943d3919d0b294ac1a643_2_1 description_0a3bc282fd0943d3919d0b294ac1a643_1_1"> The only direct products of a \(D-T\) fusion reaction are a neutron and helium
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<input type="checkbox" name="input_0a3bc282fd0943d3919d0b294ac1a643_2_1[]" id="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_1" class="field-input input-checkbox" value="choice_1"/><label id="0a3bc282fd0943d3919d0b294ac1a643_2_1-choice_1-label" for="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_0a3bc282fd0943d3919d0b294ac1a643_2_1 description_0a3bc282fd0943d3919d0b294ac1a643_1_1"> Fusion plasmas have generated more fusion power out than power put in
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<input type="checkbox" name="input_0a3bc282fd0943d3919d0b294ac1a643_2_1[]" id="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="0a3bc282fd0943d3919d0b294ac1a643_2_1-choice_2-label" for="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_0a3bc282fd0943d3919d0b294ac1a643_2_1 description_0a3bc282fd0943d3919d0b294ac1a643_1_1"> A criterion for a self-sustaining fusion plasma is called the Lawson Criterion
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<input type="checkbox" name="input_0a3bc282fd0943d3919d0b294ac1a643_2_1[]" id="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="0a3bc282fd0943d3919d0b294ac1a643_2_1-choice_3-label" for="input_0a3bc282fd0943d3919d0b294ac1a643_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_0a3bc282fd0943d3919d0b294ac1a643_2_1 description_0a3bc282fd0943d3919d0b294ac1a643_1_1"> Fusion fuel is such a high density fuel that a pickup truck of \(D\) and \(T\) could be used to power a city like Boston, MA, for a year
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