this post was submitted on 21 Aug 2026
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[–] floquant@lemmy.dbzer0.com 6 points 1 hour ago (1 children)

Me a couple of years ago: "Man I really hope that the US doesn't get some strange ideas like obscuring the sun as a last-ditch attempt against global warming which could have disastrous consequences worldwide"

US: launches space mirrors to get even more sunlight

[–] meme_historian@lemmy.dbzer0.com 3 points 44 minutes ago

It's great really, soon you'll be able to pay for a monthly daylight subscription

[–] Kazumara@discuss.tchncs.de 5 points 4 hours ago
[–] Egonallanon@feddit.uk 6 points 5 hours ago

What's wrong with light bulbs?

[–] volcel_olive_oil@hexbear.net 28 points 16 hours ago

this is a good idea because people who live north of the polar circle famously work 24/7 during the 6 months of summer sunlight soviet-chad

[–] mayo_cider@hexbear.net 9 points 13 hours ago* (last edited 13 hours ago)

Have you heard of light pollution?

Forget the leo satellite constellations and prepare for the real space age

[–] dubs@lemmy.dbzer0.com 25 points 16 hours ago
[–] FnordPrefect@hexbear.net 29 points 18 hours ago (1 children)

innocence : Isn't this great, Squidward? Just you and me together for hours and hours and hours? And then the sun'll come up? And it'll be tomorrow, and we'll still be working! (gasps) It'll be just like a sleepover! Only we'll be sweaty and covered with grease! (jumps onto the edge of the counter) Are you ready to rock, Squidward?!

unsure : No.

[–] Johnny_Arson@hexbear.net 16 points 17 hours ago (1 children)

Squidward and SpongeBob represent two archetypes of the lumpen proletariat

[–] into_highest_invite@lemmygrad.ml 13 points 12 hours ago* (last edited 12 hours ago)

squidward is the class-conscious worker and spongebob is the class-unconscious worker, marx's labor cuckold. plankton is the petty-bourgeoisie, always trying to usurp the haute-bourgeoisie, the insatiable mr. krabs. patrick is the lumpenproletariat because the closest thing he has to a job is watching tv all day with a briefcase full of donuts. sandy represents brain drain from the socialist surface (commiefornia) to the capitalist underwater. ms. puff is an average amerikkkan driving instructor, as evidenced by the time her student didn't fucking know how to drive but she gave him a license anyway

[–] kristina@hexbear.net 60 points 20 hours ago* (last edited 20 hours ago) (3 children)

I'm sure this totally wouldn't be used to terrorize ethnic groups empire doesn't like. Pretty sure it'd fuck up quite a lot of our telescopes too.

[–] Crozekiel@lemmy.zip 21 points 17 hours ago

Apparently, even the insane sounding "space lasers" bullshit also fits the "every accusation is an admission" thing.

[–] jack@hexbear.net 47 points 20 hours ago (2 children)

there's probably no issue adjusting focal length to turn this into a space-based version of a kid roasting ants with a magnifying glass

[–] Soot@hexbear.net 18 points 17 hours ago* (last edited 17 hours ago)
[–] kristina@hexbear.net 19 points 20 hours ago

Might be good for messing with missile defense sensors

[–] Hexamerous@hexbear.net 13 points 19 hours ago

Just need giant space-speaker so they can turn any area on the earth into Guantanamo.

[–] alexandra_kollontai@hexbear.net 6 points 13 hours ago

Wow, man made horrors beyond my comprehension

[–] queermunist@lemmy.ml 42 points 21 hours ago (4 children)

How tf is this more efficient than putting up electric lights?

[–] FlakesBongler@hexbear.net 42 points 20 hours ago (1 children)

This isn't for workers

This is for military shit most likely

Like the world's biggest, brightest flare

[–] queermunist@lemmy.ml 32 points 20 hours ago* (last edited 20 hours ago) (1 children)

That doesn't really make sense either. Not only does that light up the battlefield for both sides of the conflict, so there's no advantage, but also most conflict is drones anyway and they operate just as well in both light and dark.

I think this startup might be a bad idea.

[–] FlakesBongler@hexbear.net 22 points 20 hours ago (1 children)

Right, I'm betting they probably think they can kajigger it into an Archimedes death ray or something at some point

[–] queermunist@lemmy.ml 13 points 19 hours ago

I think they'd need a constellation of a lot of satellites for that, but yeah, I guess that's possible.

Unless there's clouds.

[–] Hexamerous@hexbear.net 24 points 19 hours ago

"Lights" can't pump my startups evaluation and make me rich when I dump the stock.

stonks-up

[–] fahfahfahfah@lemmy.billiam.net 15 points 20 hours ago (1 children)

In the article it talks about how the main application would be to keep solar working at night, but I guess “keeps people working around the clock” generates more clicks thus the title

[–] queermunist@lemmy.ml 33 points 20 hours ago* (last edited 20 hours ago) (1 children)

There's no way this is more efficient than pumped water storage or grid batteries or the other solutions we have for that.

[–] Johnny_Arson@hexbear.net 21 points 19 hours ago

Yeah but tech startups in the US are just hype bubble grift anyway. It just has to sound theoretically possible.

[–] robot_dog_with_gun@hexbear.net 7 points 19 hours ago

there's maybe some really specific remote locations with steep mountains where it comes out in the logistics, but a better bet is that this is a scam

[–] Hexamerous@hexbear.net 26 points 19 hours ago* (last edited 19 hours ago)

The Znamya project already tried this and it's a 100-year old idea at least.

The Znamya 2 was a 20-metre wide space solar mirror. [...] when illuminated, produced a 5 km wide bright spot, which traversed Europe from southern France to western Russia at a speed of 8 km/s. The bright spot had a luminosity equivalent to approximately that of a full moon.[3] Although clouds covered much of Europe that morning, a few ground observers reported seeing a flash of light as the beam swept by.

For reference: the Sun is about 400'000x brighter than the Moon.

It's just tech-bros pumping stocks with space-slop and sci-fi hopium.

[–] DasRav@hexbear.net 30 points 20 hours ago (1 children)

18 by 18 meters at 625 kilometers up.

I really doubt this can light up much of anything.

[–] Hexamerous@hexbear.net 16 points 19 hours ago (2 children)

The Znamya 2 was a 20-metre wide space solar mirror. [...] when illuminated, produced a 5 km wide bright spot, which traversed Europe from southern France to western Russia at a speed of 8 km/s. The bright spot had a luminosity equivalent to approximately that of a full moon.[3] Although clouds covered much of Europe that morning, a few ground observers reported seeing a flash of light as the beam swept by.

For reference: the Sun is about 400'000x brighter than the Moon.

[–] Kazumara@discuss.tchncs.de 1 points 4 hours ago

But if you widen a 20m diameter mirror to a 5km diameter illuminated area you get 250*250 = 62'500 times less light energy per area, compared to the same spot in direct daylight. Or only 6.4 times brighter than the moon, calculating from your factor of 400'000.

For the stated goal of solar power, this would be completely useless. Well not completely, just 62'500 times worse than during daytime.

[–] DasRav@hexbear.net 10 points 18 hours ago

I mean...that is not a lot. It moved at 8 kilometers per second as well? How is this useful to anyone?

It occurs to me that if they want this to be geostationary, it will need to be at 60.000km height, which is 100x what this test thing was at.

[–] quarrk@hexbear.net 11 points 17 hours ago
[–] ClassIsOver@hexbear.net 19 points 20 hours ago (1 children)

If this happens, all of the Kerbal people need to sign up to launch space flak into orbit.

[–] EmmaGoldman@hexbear.net 25 points 20 hours ago (1 children)

This is shockingly easier to do than you might think. If your goal is just Kessler syndrome, space terrorism is incredibly easy. Almost any guerilla organization with basic fabrication capability has the means to deny access to space for the foreseeable future.

Targeting an individual object in space and destroying it is much harder.

[–] LaGG_3@hexbear.net 18 points 19 hours ago (1 children)

Targeting an individual object in space and destroying it is much harder.

Scifi How to Blow up a Pipeline would go so hard lol

[–] Johnny_Arson@hexbear.net 11 points 19 hours ago

Doing a reverse Marco Inaros lol

[–] bourgeoisie_burgers@hexbear.net 10 points 19 hours ago (1 children)

So a friend asked what would happen if you aimed a pretty hardcore laser at it?

[–] Kazumara@discuss.tchncs.de 2 points 4 hours ago (1 children)

I guess you would illuminate the sun a bit. The mirror should work in both directions.

[–] bourgeoisie_burgers@hexbear.net 1 points 2 hours ago

Yea but it wouldn't be stationary at same angle always I assumed

[–] SorosFootSoldier@hexbear.net 11 points 20 hours ago

I LOVE SCIENCE! so-true

[–] Tabitha@hexbear.net 2 points 17 hours ago (1 children)
[–] HexReplyBot@hexbear.net 1 points 17 hours ago

I found a YouTube link in your comment. Here are links to the same video on alternative frontends that protect your privacy: