??? 03/23/07 21:49 Read: times |
#135712 - Old hat. Responding to: ???'s previous message |
Jez Smith said:
I know its been redefined to be some silly number of wavelengths of light. That was the OLD definition, its now defined as the distance that a beam of light travels, in vacuum - since 1983. Were you BORN in 1983 ? Steve |