The animus against A/C in the UK is an interesting cultural thing. I actually had a planning guy ring me up - the architect included the A/C units in the diagrams of the work we were doing, even thou… (View Post)

I mentioned the anti-A/C thing in planning yesterday. The units I use - which chill/heat the air in the room, using a liquid loop to the outside air - have a HEPA filter in them. (View Post)

Kessler syndrome may not work - the maths are not clear cut, except for geostationary, where the locations are limited. It certainly can't work at low altitudes (where Stalink etc live). This is… (View Post)

Not in ultra LEO - self clearing, due to atmospheric drag. (View Post)

Meanwhile, the US is moving to constant, staring surveillance from space. Along with data rates that are game changing. And multiple constellations that will provide navigation data as an accidental … (View Post)