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#angularmomentum

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Paul Houle<p>💫 Rotating black holes are packed with energy—here's how to unlock it</p><p><a href="https://phys.org/news/2025-03-rotating-black-holes-energy.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-03-rotating</span><span class="invisible">-black-holes-energy.html</span></a></p><p><a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/energy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>energy</span></a> <a href="https://mastodon.social/tags/blackholes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blackholes</span></a> <a href="https://mastodon.social/tags/gravity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gravity</span></a> <a href="https://mastodon.social/tags/angularmomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>angularmomentum</span></a> <a href="https://mastodon.social/tags/seti" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>seti</span></a></p>
Santiago Andrés Triana<p>Flood <a href="https://fediscience.org/tags/tide" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tide</span></a>. This is a <a href="https://fediscience.org/tags/timelapse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>timelapse</span></a> of the Belgian coast compressing 5 hrs into 16 secs. Tides are caused mainly by the Moon's gravitational pull, and the energy dissipated by the tidal flow is taken from the Moon's orbital motion, making it go a bit slower, hence a bit further away every day.</p><p>As the <a href="https://fediscience.org/tags/Moon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Moon</span></a> moves to a higher orbit its <a href="https://fediscience.org/tags/AngularMomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AngularMomentum</span></a> actually increases. Therefore the Earth's angular momentum needs to decrease to keep the total Earth+Moon conserved. When the Moon formed a day was probably shorter than 10 hours.</p><p><a href="https://fediscience.org/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> <a href="https://fediscience.org/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://fediscience.org/tags/PlanetaryScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryScience</span></a></p>
Asheville Charlie<p>Brain twizzler for today continuing down the <a href="https://mastodon.social/tags/angular" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>angular</span></a> <a href="https://mastodon.social/tags/momentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>momentum</span></a> rabbit hole.</p><p>So what's big and round and spins re-he-heally fast?</p><p>How about particles in the <a href="https://mastodon.social/tags/LHC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LHC</span></a>.</p><p>Also note that E= MC² is an approximation and the actual equation considers <a href="https://mastodon.social/tags/relativistic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>relativistic</span></a> speed for <a href="https://mastodon.social/tags/mass" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mass</span></a>. </p><p>So.. the question today is.. does the LHC at full power slow the rotation of the Earth because of angular momentum. </p><p>Yup.. that's a good one. </p><p><a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a><br><a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a><br><a href="https://mastodon.social/tags/angularmomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>angularmomentum</span></a> <br><a href="https://mastodon.social/tags/braintwizzler" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>braintwizzler</span></a></p>
Matt Willemsen<p>Kind of a Drag<br>Supermassive black hole at the heart of the Milky Way is approaching the cosmic speed limit, dragging space-time along with it<br>Supermassive black hole Sagittarius A* is spinning nearly as fast as it can, dragging the very fabric of space-time with it and shaping the heart of the Milky Way.<br><a href="https://www.livescience.com/space/black-holes/our-galaxys-monster-black-hole-is-spinning-at-top-speed-and-its-dragging-everything-along" rel="nofollow noopener" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">livescience.com/space/black-ho</span><span class="invisible">les/our-galaxys-monster-black-hole-is-spinning-at-top-speed-and-its-dragging-everything-along</span></a> <a href="https://fedibird.com/tags/Supermassive" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Supermassive</span></a> <a href="https://fedibird.com/tags/BlackHole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlackHole</span></a> <a href="https://fedibird.com/tags/MilkyWay" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MilkyWay</span></a> <a href="https://fedibird.com/tags/cosmic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cosmic</span></a> <a href="https://fedibird.com/tags/SpeedLimit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpeedLimit</span></a> <a href="https://fedibird.com/tags/SagittariusAPrime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SagittariusAPrime</span></a> <a href="https://fedibird.com/tags/AngularMomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AngularMomentum</span></a> <a href="https://fedibird.com/tags/FrameDragging" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FrameDragging</span></a></p>
Michael Gisiger 📷Today I continue the theme of giving my quirky watches more time on the wrist. <a href="https://pixelfed.social/discover/tags/AngularMomentum?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#AngularMomentum</a> Illum/I automatic on my wrist. A local brand founded by watchmaker Martin Pauli here in Berne and previously known for its Revolving-Disk-System (RDS) where revolving and jumping discs replace all or some hands. Today, Pauli creates manufacture pieces with stunning urushi lacquer or miniature painting dials, as well as fountain pens. Check out his website at angularmomentum.com <a href="https://pixelfed.social/discover/tags/wristshot?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#wristshot</a> <a href="https://pixelfed.social/discover/tags/WatchOfTheDay?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#WatchOfTheDay</a> <a href="https://pixelfed.social/discover/tags/WatchesOfPixelfed?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#WatchesOfPixelfed</a>
Manuel Alonso<p>Con esto termina un hilo científico ligeramente distinto. Publicado el año pasado en Twitter y adaptado y traducido este año para Mastodon. Espero que os haya gustado, si es así, seguidme y por favor difundidlo al máximo! <a href="https://mstdn.social/tags/D%C3%ADa" class="mention hashtag" rel="tag">#<span>Día</span></a> <a href="https://mstdn.social/tags/Tierra" class="mention hashtag" rel="tag">#<span>Tierra</span></a> <a href="https://mstdn.social/tags/Luna" class="mention hashtag" rel="tag">#<span>Luna</span></a> <a href="https://mstdn.social/tags/MomentoAngular" class="mention hashtag" rel="tag">#<span>MomentoAngular</span></a> <a href="https://mstdn.social/tags/F%C3%ADsica" class="mention hashtag" rel="tag">#<span>Física</span></a> <a href="https://mstdn.social/tags/Hielo" class="mention hashtag" rel="tag">#<span>Hielo</span></a> <a href="https://mstdn.social/tags/CambioClimatico" class="mention hashtag" rel="tag">#<span>CambioClimatico</span></a> </p><p>Here ends a slightly different thread to what I usually write. If you enjoyed it, please follow me and boost this thread as much as possible! <a href="https://mstdn.social/tags/Day" class="mention hashtag" rel="tag">#<span>Day</span></a> <a href="https://mstdn.social/tags/Earth" class="mention hashtag" rel="tag">#<span>Earth</span></a> <a href="https://mstdn.social/tags/Moon" class="mention hashtag" rel="tag">#<span>Moon</span></a> <a href="https://mstdn.social/tags/AngularMomentum" class="mention hashtag" rel="tag">#<span>AngularMomentum</span></a> <a href="https://mstdn.social/tags/Physics" class="mention hashtag" rel="tag">#<span>Physics</span></a> <a href="https://mstdn.social/tags/Ice" class="mention hashtag" rel="tag">#<span>Ice</span></a> <a href="https://mstdn.social/tags/ClimateChange" class="mention hashtag" rel="tag">#<span>ClimateChange</span></a></p>
Jim Donegan 🎵 ✅<p>Can A <a href="https://mastodon.scot/tags/Supermassive" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Supermassive</span></a> <a href="https://mastodon.scot/tags/BlackHole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlackHole</span></a> Change Direction?</p><p><a href="https://www.youtube.com/watch?v=OvPmwVzrI7M&amp;ab_channel=PBSSpaceTime" rel="nofollow noopener" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=OvPmwVzrI7</span><span class="invisible">M&amp;ab_channel=PBSSpaceTime</span></a></p><p><a href="https://mastodon.scot/tags/PBS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PBS</span></a> <a href="https://mastodon.scot/tags/SpaceTime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceTime</span></a> <a href="https://mastodon.scot/tags/PBSSpaceTime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PBSSpaceTime</span></a> <a href="https://mastodon.scot/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://mastodon.scot/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://mastodon.scot/tags/AngularMomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AngularMomentum</span></a> <a href="https://mastodon.scot/tags/Spin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Spin</span></a> <a href="https://mastodon.scot/tags/Rotation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Rotation</span></a> <a href="https://mastodon.scot/tags/Conservation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Conservation</span></a> <a href="https://mastodon.scot/tags/SupermassiveBlackHole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SupermassiveBlackHole</span></a> <a href="https://mastodon.scot/tags/ParticleBeam" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ParticleBeam</span></a> <a href="https://mastodon.scot/tags/MattODowd" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MattODowd</span></a></p>
Phys.org<p>Referenced link: <a href="https://phys.org/news/2022-12-gallery-modes-fractional-optical-angular.html" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2022-12-gallery-</span><span class="invisible">modes-fractional-optical-angular.html</span></a><br>Discuss on <a href="https://discu.eu/q/https://phys.org/news/2022-12-gallery-modes-fractional-optical-angular.html" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">discu.eu/q/https://phys.org/ne</span><span class="invisible">ws/2022-12-gallery-modes-fractional-optical-angular.html</span></a></p><p>Originally posted by Phys.org / @physorg_com@twitter.com: <a href="https://twitter.com/physorg_com/status/1598336125357154306#m" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">twitter.com/physorg_com/status</span><span class="invisible">/1598336125357154306#m</span></a></p><p>Whispering gallery modes with fractional optical <a href="https://social.platypush.tech/tags/angularmomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>angularmomentum</span></a> in photonic crystal micro-rings @NaturePhotonics @physrevlett <a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.129.186101" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">journals.aps.org/prl/abstract/</span><span class="invisible">10.1103/PhysRevLett.129.186101</span></a> <a href="https://phys.org/news/2022-12-gallery-modes-fractional-optical-angular.html" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2022-12-gallery-</span><span class="invisible">modes-fractional-optical-angular.html</span></a></p>
Jim Donegan 🎵 ✅<p><a href="https://mastodon.scot/tags/Laws" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Laws</span></a> and <a href="https://mastodon.scot/tags/Causes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Causes</span></a> </p><p><a href="https://www.youtube.com/watch?v=_WHRWLnVm_M&amp;ab_channel=Vsauce" rel="nofollow noopener" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=_WHRWLnVm_</span><span class="invisible">M&amp;ab_channel=Vsauce</span></a></p><p><a href="https://mastodon.scot/tags/Physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physics</span></a> <a href="https://mastodon.scot/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://mastodon.scot/tags/Philosophy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Philosophy</span></a> <a href="https://mastodon.scot/tags/PhilosophyOfScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhilosophyOfScience</span></a> <a href="https://mastodon.scot/tags/LawsOfPhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LawsOfPhysics</span></a> <a href="https://mastodon.scot/tags/ConservationLaws" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ConservationLaws</span></a> <a href="https://mastodon.scot/tags/AngularMomentum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AngularMomentum</span></a> <a href="https://mastodon.scot/tags/Causality" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Causality</span></a></p>