on the bus i looked up who first spotted the symmetry of ice crystals
ans = as follows
"The earliest known account was in 135 B.C., when Chinese scholar Han Yin wrote “'Flowers of plants and trees are generally five-pointed, but those of snow, which are called ying, are always six-pointed.'"
― mark s, Sunday, 26 November 2017 22:55 (six years ago) link
how prevent kitten unroll Curta calculator
― attention vampire (MatthewK), Monday, 27 November 2017 00:05 (six years ago) link
I web search, no googling.
― Jeff, Monday, 27 November 2017 00:28 (six years ago) link
Curta calculator. My first result:
https://www.youtube.com/watch?v=fhUfRIeRSZE
― Le Bateau Ivre, Monday, 27 November 2017 00:28 (six years ago) link
xxp haha
― mick signals, Monday, 27 November 2017 00:28 (six years ago) link
how clean kitten pee guitar pedals
― mick signals, Saturday, 6 January 2018 20:46 (six years ago) link
Akat 1 computer 1959
― Brad C., Saturday, 6 January 2018 20:50 (six years ago) link