#polarizedlight — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #polarizedlight, aggregated by home.social.
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https://www.europesays.com/ie/513964/ NASA’s Psychedelic Crop Map Shows Plants Have a Hidden Signature — and Radar Can Read It #Crop #Éire #IE #Ireland #nasa #NISAR #PolarizedLight #radar #RemoteSensing #Science #Space
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Cuttlefish, which can both produce and see polarized light, manipulate the patterns of polarization displayed by their arms as a courtship display.
Summary: https://www.sciencealert.com/cuttlefish-literally-twist-light-to-attract-a-mate-study-finds
Original paper (not open access): https://www.pnas.org/doi/10.1073/pnas.2517167123
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Cuttlefish, which can both produce and see polarized light, manipulate the patterns of polarization displayed by their arms as a courtship display.
Summary: https://www.sciencealert.com/cuttlefish-literally-twist-light-to-attract-a-mate-study-finds
Original paper (not open access): https://www.pnas.org/doi/10.1073/pnas.2517167123
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🔦 🌈 Our scientists have developed a new technique that lets researchers watch, with unprecedented sensitivity, how materials emit polarized light over time.
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🔦 🌈 Our scientists have developed a new technique that lets researchers watch, with unprecedented sensitivity, how materials emit polarized light over time.
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Ice Without Gravity
Astronaut Don Pettit 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: D. Pettit/NASA; via Ars Technica; submitted by J. Shoer)
#astronaut #crystalGrowth #fluidDynamics #fluidsAsArt #iceFormation #microgravity #physics #polarizedLight #science
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Ice Without Gravity
Astronaut Don Pettit 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: D. Pettit/NASA; via Ars Technica; submitted by J. Shoer)
#astronaut #crystalGrowth #fluidDynamics #fluidsAsArt #iceFormation #microgravity #physics #polarizedLight #science
