20:0320:03, 19 December 2018diffhist−247
Common Scrambling Algorithm
This has been here 6 years and it was written so convincingly I never thought to question it. It's embarrassingly wrong. The author was an IP user so I can't contact. Fixed and cited.
17:4317:43, 17 September 2011diffhist+63
Fusible alloy
Fixed Onion's alloy, 8 degrees below the boiling point of water. Not 8C. Not eutectic - See J Chem Ed article, and while I'm at it....