this post was submitted on 10 Jan 2025
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[–] Sodium_nitride@lemmygrad.ml 40 points 2 days ago (2 children)

China plans to build ‘Three Gorges dam in space’ to harness solar power

I see the Chinese have found access to space rivers?

But jokes aside, I think it's a bit clickbaity (from the article) to say "China plans" when the article only mentions a single scientist who is pretty much saying "wouldn't it be cool if we had this?". I'm sure out of all countries, China could build this, but I'd temper my excitement from just this statement.

[–] someone@hexbear.net 21 points 2 days ago* (last edited 2 days ago) (3 children)

Yeah, and orbital microwave power stations also have arms-control treaty implications. China has agreed (through accession) to following the stipulations of the Outer Space Treaty which forbids weapons of mass destruction in space. The difference between a microwave power transmitter and an orbiting energy weapon is only the difference between aiming it at a ground station's rectennas and aiming it at a military target. Traditional ground-based solar power has its flaws but at least it's an undeniably peaceful project.

[–] iridaniotter@hexbear.net 15 points 2 days ago* (last edited 2 days ago) (3 children)

Everything is dual use if you look at an economy holistically. Also like as a weapon it's kind of terrible. You fire it once and your enemy retaliates with MAD, completely destroying geosynchronous orbit with debris.

[–] someone@hexbear.net 16 points 2 days ago

You fire it once and your enemy retaliates with MAD, completely destroying geosynchronous orbit with debris.

I was thinking about this specific project's geopolitical implications more from a perspective of "how will the paranoiacs in the US upper echelons react?" I agree that it's supremely unlikely that the Chinese government would actually weaponize it. But the American establishment would freak out at the possibility, due to projection. They've had dreams of orbiting energy weapons for as long as they've had spaceflight, often in the form of solar collectors powering microwave transmitters.

[–] GalaxyBrain@hexbear.net 10 points 2 days ago

Wouldn't even need to do a MAD really, if this was even a threat they could debris up an orbit pretty quick. Probably real easy to point a spy satellite at another satellite too

[–] Lemister@hexbear.net 4 points 1 day ago (1 children)

What if I say, I had a creative work where china defeats the us by using orbital laser weapons?

[–] iridaniotter@hexbear.net 1 points 1 day ago

I'd take a look at it

[–] GalaxyBrain@hexbear.net 13 points 2 days ago (1 children)
[–] FlakesBongler@hexbear.net 5 points 1 day ago (1 children)
[–] GalaxyBrain@hexbear.net 3 points 1 day ago

I was thinking the literal guy the weapon was named after but yes

[–] buckykat@hexbear.net 11 points 2 days ago (1 children)

Basically everything interesting in space is a targeting change from being a weapon of mass destruction, from Sputnik right on.

[–] someone@hexbear.net 7 points 2 days ago

Absolutely. It's all dual-use tech.

[–] ImmortanStalin@lemmygrad.ml 15 points 2 days ago

Carve out a 50 year plan and get it done in 10. Meanwhile the private sector finally sets up its own space station that stays in orbit for 3 days.