2019-09-23, 19:41
Heat Loss to Night Sky Powers Off-Grid Lights
A slight temperature difference at night between a surface losing heat and the surrounding air can be harnessed to generate electricity to power lights.
-- Read more on ScientificAmerican.com
https://www.scientificamerican.com/podca...id-lights/
A slight temperature difference at night between a surface losing heat and the surrounding air can be harnessed to generate electricity to power lights.
-- Read more on ScientificAmerican.com
https://www.scientificamerican.com/podca...id-lights/