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Lascivus UnciaPhotoelasticity do-it-yourself experiment on a set square 📐 Light intensity and its variations reveal deformations in the material. <a href="https://pixelfed.social/discover/tags/science?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://pixelfed.social/discover/tags/physics?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#physics</a> <a href="https://pixelfed.social/discover/tags/experiment?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#experiment</a> <a href="https://pixelfed.social/discover/tags/doityourself?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#doityourself</a> <a href="https://pixelfed.social/discover/tags/doityourselfscience?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#doityourselfscience</a> <a href="https://pixelfed.social/discover/tags/materials?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#materials</a> <a href="https://pixelfed.social/discover/tags/birefringence?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#birefringence</a> <a href="https://pixelfed.social/discover/tags/photoelasticity?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photoelasticity</a> <a href="https://pixelfed.social/discover/tags/light?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#light</a> <a href="https://pixelfed.social/discover/tags/greenlight?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#greenlight</a> <a href="https://pixelfed.social/discover/tags/polarizedlight?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#polarizedlight</a> <a href="https://pixelfed.social/discover/tags/setsquare?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#setsquare</a>

Lascivus UnciaPhotoelasticity do-it-yourself experiment on a set square 📐 Light intensity and its variations reveal deformations in the material. <a href="https://pixelfed.social/discover/tags/science?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://pixelfed.social/discover/tags/physics?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#physics</a> <a href="https://pixelfed.social/discover/tags/experiment?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#experiment</a> <a href="https://pixelfed.social/discover/tags/doityourself?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#doityourself</a> <a href="https://pixelfed.social/discover/tags/doityourselfscience?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#doityourselfscience</a> <a href="https://pixelfed.social/discover/tags/materials?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#materials</a> <a href="https://pixelfed.social/discover/tags/birefringence?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#birefringence</a> <a href="https://pixelfed.social/discover/tags/photoelasticity?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photoelasticity</a> <a href="https://pixelfed.social/discover/tags/light?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#light</a> <a href="https://pixelfed.social/discover/tags/redlight?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#redlight</a> <a href="https://pixelfed.social/discover/tags/polarizedlight?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#polarizedlight</a> <a href="https://pixelfed.social/discover/tags/setsquare?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#setsquare</a>

Nicole SharpIce Without Gravity<a href="https://arstechnica.com/space/2024/10/nasa-astronaut-don-pettit-is-a-giant-nerd-and-were-all-luckier-for-it/?__readwiseLocation=" rel="nofollow noopener noreferrer" target="_blank">Astronaut Don Pettit</a> is back in space, and that means lots of awesome microgravity experiments. Here, he grew thin wafers of ice in microgravity in a -95 degree Celsius freezer. Then he took the ice wafers and photographed them between crossed polarizers, creating this colorful image. The colors highlight different crystal orientations within the ice and give us a hint about how the freezing front formed and expanded. I can’t wait to see more examples! (Image credit: <a href="https://www.instagram.com/p/DBlpO77RXM0/?img_index=1" rel="nofollow noopener noreferrer" target="_blank">D. Pettit/NASA</a>; via <a href="https://arstechnica.com/space/2024/10/nasa-astronaut-don-pettit-is-a-giant-nerd-and-were-all-luckier-for-it/?__readwiseLocation=" rel="nofollow noopener noreferrer" target="_blank">Ars Technica</a>; submitted by J. Shoer)<a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/astronaut/" target="_blank">#astronaut</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/crystal-growth/" target="_blank">#crystalGrowth</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/fluid-dynamics/" target="_blank">#fluidDynamics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/fluids-as-art/" target="_blank">#fluidsAsArt</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/ice-formation/" target="_blank">#iceFormation</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/microgravity/" target="_blank">#microgravity</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/physics/" target="_blank">#physics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/polarized-light/" target="_blank">#polarizedLight</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/science/" target="_blank">#science</a>

John Faithfull 🌍🇪🇺🏴󠁧󠁢󠁳󠁣󠁴󠁿🧡✊🏻✊🏿<a href="https://mastodon.scot/tags/ThinSectionThursday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ThinSectionThursday</a> Plechroism in action: a wee gif showing pleochroic colour change in orthopyroxene (pale green-pink) + biotite (deep brown-pale brown) in this noritic rock from Govals, Aberdeenshire. Field of view about 2mm wide. <a href="https://mastodon.scot/tags/Microscopy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Microscopy</a> <a href="https://mastodon.scot/tags/PolarizedLight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PolarizedLight</a> <a href="https://mastodon.scot/tags/Pleochroism" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pleochroism</a> <a href="https://mastodon.scot/tags/Mineralogy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Mineralogy</a> <a href="https://mastodon.scot/tags/Geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Geology</a>

Khurram Wadee ✅The <a href="https://mastodon.org.uk/tags/EggNebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EggNebula</a> in <a href="https://mastodon.org.uk/tags/PolarizedLight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PolarizedLight</a> <a href="https://mastodon.org.uk/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://mastodon.org.uk/tags/Picture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Picture</a> of the Day<a href="https://apod.nasa.gov/apod/ap230409.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap230409.html</a><a href="https://mastodon.org.uk/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> <a href="https://mastodon.org.uk/tags/Nebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Nebula</a>

Khurram Wadee ✅<a href="https://mastodon.org.uk/tags/M87" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#M87</a>'s Central <a href="https://mastodon.org.uk/tags/BlackHole" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BlackHole</a> in <a href="https://mastodon.org.uk/tags/PolarizedLight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PolarizedLight</a> <a href="https://mastodon.org.uk/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://mastodon.org.uk/tags/Picture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Picture</a> of the Day<a href="https://apod.nasa.gov/apod/ap210331.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap210331.html</a><a href="https://mastodon.org.uk/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

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