2020-11-19

14:12 RT @timbray: There hasn’t been a leap second for a while; here’s why:
fanf.dreamwidth.org/133823.html

Trigger warning: scary ending. [Original]

18:52 R.I.P. Arecibo radioastronomy dish :-( sciencemag.org/news/2020/11/f… [Original]

23:59 [/tweets/2020]