{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='How to Build a Teleporter with Aliens' data-url='/boclips/videos/5f7dd0448cd8ed7a1e388d9d' data-video-url='/boclips/videos/5f7dd0448cd8ed7a1e388d9d' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nHow to Build a Teleporter with Aliens\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30358008\" href=\"/search?publisher_ids%5B%5D=30358008\"\u003eMinutePhysics\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eThe first 200 people to use get 30% off a premium Skillshare subscription.This video is about the international system of units (SI), the international prototype kilogram (the IPK or \"le grande k\"), and specifically, why we need to...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eThe first 200 people to \u003ca href='http://skl.sh/minutephysics30' target='_blank' rel='nofollow'\u003euse\u003c/a\u003e get 30% off a premium Skillshare subscription.\u003cbr/\u003e\u003cbr/\u003e\u003cbr/\u003eThis video is about the international system of units (SI), the international prototype kilogram (the IPK or \"le grande k\"), and specifically, why we need to redefine our base units in terms of fundamental constants - aka, concepts \u0026 ideas - rather than physical objects. The second is already defined in terms of a certain number of oscillations of a photon of the ground state hyperfine splitting energy of Cesium, the meter is then defined as how far light travels in a particular fraction of a second, and hopefully soon, the kilogram will be defined either using the Avogadro approach of counting silicon atoms in a sphere, or using the Watt (Kibble) Balance approach of measuring Planck's constant, h, as used in the formula E=hf for the energy of a photon, which relates to mass via Einstein's famous E=mc^2.\u003cbr/\u003e\u003cbr/\u003eREFERENCES:\u003cbr/\u003e\u003cbr/\u003eMost Recent Kilogram/Planck Constant \u003ca href='https://www.nist.gov/news-events/news/2017/06/new-measurement-will-help-redefine-international-unit-mass' target='_blank' rel='nofollow'\u003eMeasurement\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eInternational Bureau of Weights and Measures \u003ca href='http://www.bipm.org/en/measurement-units/base-units.html' target='_blank' rel='nofollow'\u003epage\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eFuture Definitions of SI Base \u003ca href='http://www.bipm.org/en/measurement-units/rev-si/' target='_blank' rel='nofollow'\u003eUnits\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eResolution to redefine Kilogram, ampere, kelvin and mole based on fundamental \u003ca href='http://www.bipm.org/en/CGPM/db/25/1/' target='_blank' rel='nofollow'\u003econstants\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eHyperfine levels of an atom (Cesium, in this \u003ca href='https://en.wikipedia.org/wiki/Energy_level#Hyperfine_structure' target='_blank' rel='nofollow'\u003ecase)\u003c/a\u003e\u003cbr/\u003e\u003ca href='https://en.wikipedia.org/wiki/Hyperfine_structure' target='_blank' rel='nofollow'\u003e\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003e\u003ca href='https://en.wikipedia.org/wiki/Caesium#Atomic_clocks' target='_blank' rel='nofollow'\u003eCesium\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eAtomic \u003ca href='https://en.wikipedia.org/wiki/Atomic_clock' target='_blank' rel='nofollow'\u003eClocks\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003e\u003cbr/\u003eMinute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!\u003cbr/\u003e\u003cbr/\u003eCreated by Henry Reich\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource Details\u003c/h2\u003e\n\u003cdiv class='rp-resource-details clearfix'\u003e\n\u003cdiv 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mr5\"\u003e\u003c/i\u003e5 more...\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eMedia Type\u003c/dt\u003e\u003cdd\u003e\u003cspan\u003e\u003ca href=\"/search?grade_ids%5B%5D=258\u0026amp;grade_ids%5B%5D=259\u0026amp;search_tab_id=2\u0026amp;type_ids%5B%5D=4543647\"\u003eInstructional Videos\u003c/a\u003e\u003c/span\u003e\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eSource:\u003c/dt\u003e\n\u003cdiv class='preview-source' data-animation='true' data-boundary='.rp-info' data-container='.rp-resource-details' data-html='false' data-title='Short, animated videos answering questions about how the world really works.' data-trigger='hover focus'\u003e\n\u003cspan\u003eMinutePhysics\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-circle-info channel-tooltip-icon' 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class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eUsage Permissions\u003c/dt\u003e\u003cdd\u003eFine Print: Educational Use\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='additional-materials-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='additional-materials-heading'\u003eAdditional Materials\u003c/h2\u003e\n\u003cdiv class='additional-material'\u003e\n\u003ci aria-hidden='true' class='fai fa-solid fa-lock'\u003e\u003c/i\u003e\n\u003ca class=\"text-muted\" title=\"Video Transcript\" data-html=\"true\" data-placement=\"bottom\" data-trigger=\"click\" data-content=\"\u003cdiv class=\u0026quot;text-center py-2\u0026quot;\u003e\u003ca class=\u0026quot;bold\u0026quot; href=\u0026quot;/auth/users/sign_in\u0026quot;\u003eSign in\u003c/a\u003e or \u003ca class=\u0026quot;bold text-danger\u0026quot; data-posthog-event=\u0026quot;Signup: LP Signup Activity\u0026quot; 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