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Article says they heat sand up to 500C, which is not very possible with water.
by riku_iki 4y ago
Article says they heat sand up to 500C, which is not very possible with water.
- wikfwikf 4y agoThey have to heat to 500C, because recovering the energy is slow unless you have those high temperatures. The advantage of water is that it's easy to extract the heat energy and transmit it to where you want it.