Device generates light from the cold night sky

[ad_1] In this photograph, the thermoelectric generator harnesses temperature differences to produce renewable electricity without active heat input. Here it is generating light. Credit: Aaswath Raman An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal Joule. […]

'Beyond' delivers the 'No Man's Sky' experience I was waiting for

[ad_1] Spoilers for the early chapters (and the very end) of No Man’s Sky, although only a couple, because Dan got waylaid. I was so won over by the original trailer that I bought a PS4, returning to Sony after a decade with an Xbox 360. No Man’s Sky was a clear reason to buy […]