Monday, August 29, 2016

Thursday, August 25, 2016

How much damage would a space probe take flying through the interstellar medium at v=0.2c? (See also this.)

Bottom line: I am seriously entertaining the possibility that I will live to see digital images transmitted from another planetary system.

Wednesday, August 24, 2016

If Saudi Arabia and Iran are fighting a proxy war in Yemen, why is the US taking sides?

Tuesday, August 23, 2016

Saturday, August 20, 2016