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 beca… (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)

Cummings tends to be about 100% right on the problems. And about 100% wrong on the solutions. His comment about the Cabinet Room a century ago is incisive and illustrates why the system runs the way … (View Post)