Philip Hands <[EMAIL PROTECTED]> writes: > A bit like defining a meter in terms of the speed of light in a > vacuum, and then throwing away the "official meter", on the basis that > anyone that needs a physical meter can build their own, using a torch, > a good stopwatch, and a space-shuttle ;-)
Well, the meter is /not/ definded based on the speed of light, because you would have to know the length of a second beforehand. Instead, the meter has been redefined based on the wave-length of the light emitted by a specific isotope. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
