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Science

NNadir

(34,897 posts)

9. Sigh...

Reply to I_UndergroundPanther (Reply #2)

Fri Nov 11, 2022, 05:25 PM

Nov 2022

One hears these sorts of things, and one doesn't really want to believe one is hearing them.

Nothing can make solar and wind reduce our carbon footprint. They generate more complacency than energy, and in fact, are making things worse, not better.

They are unsustainable forms of energy, and the enthusiasm for them, and for energy storage for them in particular, is reactionary, not progressive.

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Astounding Finnish Sand Battery [View all] SorellaLaBefana Nov 2022 OP

A thermal mass, not a battery. They're storing heat, not electrical energy. eppur_se_muova Nov 2022 #1

I suspect that might be a term of art in Finnish that doesn't translate properly to English. NT mahatmakanejeeves Nov 2022 #4

Every home in America should I_UndergroundPanther Nov 2022 #2

Provided you have room for a 23-foot silo. NT mahatmakanejeeves Nov 2022 #5

I wonder what a residential scale sand heat storage system would be, size-wise. OAITW r.2.0 Nov 2022 #8

Sigh... NNadir Nov 2022 #9

The process "... only has an efficiency rate of 30%. But he doesn't view that as a major issue." mahatmakanejeeves Nov 2022 #3

I wonder if this could help in Ukraine this winter? nt mitch96 Nov 2022 #6

Isn't Iceland the perfect place for this? cyclonefence Nov 2022 #7