Ten Wikipedia Hacks
Earliest uses of various mathematical symbols
These pages show the names of the individuals who first used various common mathematical symbols, and the dates the symbols first appeared. The most important written source is the definitive A History of Mathematical Notations by Florian Cajori.
Fuzzmail records the act of writing and lets you send it as an email. Dynamic changes, typoes, pauses and writeovers are captured and communicated.
A Shakespeare Murder Mystery - from the BBC
Which is it, homonyms or homophones? You decide