Comment New? (Score 1) 53
Weren't R2 units around a long time ago ...
... in a place far far away?
Don't alot of non-geek students write equations on their arm?
10. car phone
9. flashlight (torch)
8. sun dial
7. singing telegram
6. level
5. vibrator
4. paper weight
3. slide rule
2. hammer
1. rock
"The one charm of marriage is that it makes a life of deception a neccessity." - Oscar Wilde