Beginning of the End? 🛑
In March 2026, @Instagram announced that it would no longer support end-to-end encrypted messaging after May 8, 2026.
This development comes amid growing threats to strong encryption from governments across the globe. As pressure on platforms continues to increase, Instagram’s decision to discontinue E2EE could be the first domino that sparks a chain reaction.
Read more about these developments here: sflc.in/beginning-of-the-end/
#encryption #privacy #instagram
Beginning of the End?
In this blog post, SFLC.in analyses the significance of platforms discontinuing e2ee in light of the increasing global threat to end-to-end encryption.pranay (Software Freedom Law Center, India • Defender of Your Digital Freedom)
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kolya
in reply to Wonder of Science • • •AllyPally
in reply to kolya • • •kolya
in reply to AllyPally • • •@allypally
of course!
what's a star-based day?
AllyPally
in reply to kolya • • •A solar day is from noon till noon. In that time the earth has moved in its orbit. A star-based day (sidereal day) would be from a particular star is due south, until the next time it’s due south. The earth moves along its orbit so the two are slightly different. 4 mins of time difference x 365 days in a solar year works out at about 24 hours as you’d expect.
I’m not an astronomer. If anyone has a better explanation please chip in.
kolya
in reply to AllyPally • • •time standard
Contributors to Wikimedia projects (Wikimedia Foundation, Inc.)AllyPally
in reply to kolya • • •when I found there were different day lengths I t took me ages to work out what was going on. I’m glad you got it. The original diagram specifies sidereal day.
I liked your remark about speeding up, though. [Edit: slowing down!]
Rokosun
in reply to kolya • • •Oh yeah this animation was very helpful - commons.wikimedia.org/wiki/Fil…
Sidereal Day versus Solar Day.webm
commons.wikimedia.orgAllyPally
in reply to Wonder of Science • • •Su_G
in reply to AllyPally • • •So true!
Su_G
in reply to Wonder of Science • • •Mars & Venus are such slow coaches! 😃
What a wonderful illustration of the relative complexities of our Earth’s fellow planets. 🤗
Dr. James O’Donoghue is a star. 🤩 (pun intended)
Tofu Musubi
in reply to Wonder of Science • • •Majo Komár
in reply to Wonder of Science • • •Pun Boleh
in reply to Wonder of Science • • •Cowboy Who?
in reply to Wonder of Science • • •JdeBP
Unknown parent • • •@nazokiyoubinbou
Of course the question is now why Pluto and Ceres were included in @Physicsj 's graphic and Eris and Sedna were not. (-:
The answer is, according to an old post, that Eris and Sedna had not yet been mapped.
mastodon.online/@Physicsj/1093…
#astronomy #DwarfPlanets #UniversityOfReading #Eris #Sedna
Dr James O'Donoghue (@Physicsj@mastodon.online)
Dr James O'Donoghue (Mastodon)Christian Kent 𝘊𝘒 :\﹥
in reply to Wonder of Science • • •@europlus OK, but Neptune is a pale aquamarine like Uranus though
en.wikipedia.org/wiki/Neptune upload.wikimedia.org/wikipedia…
eighth and farthest planet from the Sun in the Solar System
Contributors to Wikimedia projects (Wikimedia Foundation, Inc.)