Neat News 2330 (added 2022-05-18)
Generating solar electricity at night

Public Domain by Albrecht Dürer
In order to produce electricity from heat you need a temperature difference, typically a relatively cool solar panel and the heat from the sun. Now researchers managed in a proof of principle to reverse this to produce electricity at night when the heated ground is relatively warm and emits infrared radiation into cold space.
related: #solar_power #infrared #night