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Knowledge Zone · @kzoneind

310 followers · 1834 posts · Server mstdn.social

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#WondersOfNature:A 22° halo is an atmospheric #Optical #Phenomenon that consists of a halo with an apparent radius of approximately 22° around the Sun.

https://knowledgezone.co.in/kbits/64d4c890b0347a8980e354a2

#phenomenon #optical #wondersofnature

Last updated 1 year ago

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Spaceflight 🚀 · @spaceflight

1623 followers · 1481 posts · Server techhub.social

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#NASA 📆 July 12, 2023 #DSS23 started in 📆 February 2021 at the Goldstone, #California, #DSN Complex (with #OpticalCommunication
capabilities, which will be critical to communicate with #astronauts 👨‍🚀👩‍🚀 traveling to #Mars 🔴). NASA cannot use #RadioFrequency communications to carry higher data rates like those required for Mars without increasing
the size of its antennas 📡 or power of its radio transmitters. Therefore, the Agency is developing #optical communications (use
of light as a means of transmitting information through #lasers) https://oig.nasa.gov/docs/IG-23-016.pdf

#DSOC #DeepSpaceNetwork #SpaceCommunication #LaserCommunication

Pictures : https://commons.wikimedia.org/wiki/File:Breaking_ground_on_Goldstone_Deep_Space_Communications_Complex.jpg https://commons.wikimedia.org/wiki/File:Lcrd_new.jpg

#NASA #dss23 #California #dsn #opticalcommunication #astronauts #Mars #radiofrequency #optical #lasers #dsoc #deepspacenetwork #spacecommunication #lasercommunication

Last updated 1 year ago

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TimeCycles · @TimeCycles

768 followers · 1913 posts · Server mas.to

So....top of the line Varilux progressives for about $478 (w/ insurance, lenses only) or good ol' Costco frames and prog. lenses (proprietary?) for less than 300.?
That's my current dilemma.

#Optical #Optician #Glasses #Vision #Optometry

#optometry #vision #glasses #optician #optical

Last updated 1 year ago

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New Submissions to TMLR · @tmlrsub

183 followers · 632 posts · Server sigmoid.social

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An Optical Control Environment for Benchmarking Reinforcement Learning Algorithms

https://openreview.net/forum?id=61TKzU9B96

#reinforcement #optical #control

Last updated 1 year ago

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Spaceflight 🚀 · @spaceflight

1409 followers · 1130 posts · Server techhub.social

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The first operational #optical #communication line arrived in 📆1792, covering #France 🇫🇷 with a network of 556 stations stretching a total distance of 4,800 km https://en.wikipedia.org/wiki/Optical_communication#Semaphore_line

Picture : #NASA's #Mars #Telecommunications #Orbiter https://commons.wikimedia.org/wiki/File:PIA07499.jpg

#optical #communication #france #NASA #Mars #telecommunications #orbiter

Last updated 1 year ago

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· @illusion

0 followers · 28 posts · Server unfufadoo.net

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#illusion #memes #photos #images #optical

Last updated 1 year ago

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· @illusion

0 followers · 27 posts · Server unfufadoo.net

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#illusion #memes #photos #optical #images

Last updated 1 year ago

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Fei Xia · @feixia

111 followers · 64 posts · Server fediscience.org

Inviting all #biomedical #optical #imaging submissions for POM! A unique, free, interactive platform for #photonics researchers. Great exposure across continents. 🌎 Submit at https://t.co/cMuS70YeEm. Abstract deadline: July 27. Conference: Nov 13-14. Join us! #POM2023 #Fluorescence #AdaptiveOptics #Photoacoustic #Photothermal #Raman #Brillouin #Holography #OCT #DOT

#dot #oct #holography #brillouin #raman #photothermal #photoacoustic #adaptiveoptics #fluorescence #pom2023 #photonics #imaging #optical #biomedical

Last updated 1 year ago

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Fei Xia · @feixia

111 followers · 64 posts · Server fediscience.org

Inviting all #biomedical #optical #imaging submissions for Photonics Online Meetup! A unique, free, online interactive platform for researchers in #photonics and #microscopy. Great exposure across continents. 🌎 Submit at https://t.co/cMuS70YeEm. Abstract deadline: July 27. Conference: Nov 13-14. Join us!" #POM2023 #Fluorescence #AdaptiveOptics #Photoacoustic #Photothermal #Raman #Brillouin #Holography #OCT #DOT

#dot #oct #holography #brillouin #raman #photothermal #photoacoustic #adaptiveoptics #fluorescence #pom2023 #microscopy #photonics #imaging #optical #biomedical

Last updated 1 year ago

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· @BBC1MusicBot

28 followers · 40543 posts · Server mastodonapp.uk

Spotify - Hammerhead

🔊 #NowPlaying on BBCRadio1's #Radio1sClassicEssentialMix

Ed Rush & Optical:
🎵 Hammerhead

#BBCR1 #EdRush #Optical

https://open.spotify.com/track/0sRx0YXwY60w4PTAMWQrlF

#nowplaying #radio1sclassicessentialmix #bbcr1 #edrush #optical

Last updated 1 year ago

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m naudin · @Mnaudin

886 followers · 224 posts · Server piaille.fr

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De la magie ? Non, c'est de la science, rien que la science ...
Lorsqu'un objet (ici, un verre, un tube à essai) est immergé dans un liquide (ici, de l'huile), si l'indice de réfraction de l'objet correspond à celui du liquide, la lumière à l'interface entre l'objet et le liquide ne sera ni réfléchie ni réfractée. En conséquence, l'objet semblera invisible.
#science #physics #physique #optical #optique

#Science #physics #physique #optical #optique

Last updated 1 year ago

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