Tuesday, September 30, 2014

Sunday, September 28, 2014

My wife alerted me to this little gem by John Calvin:
But if the Lord has been pleased to assist us by the work and ministry of the ungodly in physics, dialectics, mathematics, and other similar sciences, let us avail ourselves of it, lest, by neglecting the gifts of God spontaneously offered to us, we be justly punished for our sloth.

Thursday, September 18, 2014

The relativistic rocket. The last sentence should arguably be the first: "After only a few years of 1g acceleration even the cosmic background radiation is Doppler shifted into a lethal heat bath hot enough to melt all known materials."