[xkcd] Physics will make you rich!
[xkcd] Physics will make you rich!
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Argh I hate how they never show installation costs upfront...
39 0 ReplyPeople think the cost of the panel is the most expensive, but it's actually the 151 million km copper cable
33 0 ReplyWhy can't we just wirelessly transmit the power, maybe have it hit a collection device that can harness about 4 kwh/m^2/day
16 0 ReplyHey that's not a bad idea. We could install these receivers on people's roofs or in big parking lots
11 0 Reply
Copper wouldn't cut it, too much resistance. You need a superconductor... only problem is how to keep it cold enough at below 1000C.
13 0 ReplyEasy, just cool it with some sort of space refrigerator. Solar powered of course.
Net electricity arrived on earth after cooling cost: 1kwh/day
10 0 Reply
In units of JWSTs
4 0 Reply