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submitted 1 year ago by supercheesecake@aussie.zone to c/science@beehaw.org

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[–] dom@lemmy.ca 33 points 1 year ago (2 children)

People think the cost of the panel is the most expensive, but it's actually the 151 million km copper cable

[–] FZDC@beehaw.org 16 points 1 year ago (1 children)

Why can't we just wirelessly transmit the power, maybe have it hit a collection device that can harness about 4 kwh/m^2/day

[–] dom@lemmy.ca 11 points 1 year ago* (last edited 1 year ago)

Hey that's not a bad idea. We could install these receivers on people's roofs or in big parking lots

[–] jarfil@beehaw.org 13 points 1 year ago (1 children)

Copper wouldn't cut it, too much resistance. You need a superconductor... only problem is how to keep it cold enough at below 1000C.

[–] redcalcium@lemmy.institute 10 points 1 year ago

Easy, just cool it with some sort of space refrigerator. Solar powered of course.

Net electricity arrived on earth after cooling cost: 1kwh/day