FTL impossibilities, TDR stuff

2 messages share this subject, 1990, in date order.

• FTL impossibilities, TDR stuff #1800 · Robert P Poole · 17 November 1990 · 1 reply
• Re: (1800) FTL impossibilities, TDR stuff #1857 · Edwin Wiles · 27 November 1990 · reply to #1800