How to cook people in the future.
US Navy wirelessly beams 1.6 kW of power a kilometer using microwaves
In what it describes as the most significant demonstration of its kind in half a century, the US Naval Research Laboratory (NRL) beamed 1.6 kW of power over a kilometer (3,280 ft) using a microwave beam at the US Army Research Field in Maryland.newatlas.com
very cool new tech
arstechnica.com
IIRC, gravitational lensing creates the appearance of larger accretion disk. The black hole is very small relative to the size of this image, and, again, the accretion disk (sphere) will obscure it anyway. That's off the top on my head. This video probably covers it better, haven't watched yet:Feast your eyes on the first image of the black hole at the center of our Milky Way
EHT scientists can now compare images of two black holes of very different sizes.
It's not pitch black at the center and the event horizon seems to be very fat. Anyone know why?
academic.oup.com
If you would but accept the standing invitation to Olds’ basement, you would learn firsthand.
I've had the unpleasant experience of hitting an electric fence before while trying to climb over a fence, blacked out for a second, holy hell that hurt
I've read that if Edison had his way and DC current were commercialized, electrical accidents would always end in death because DC is continuous. No alternating phase like in AC.
newatlas.com
