8 Mar
2005
8 Mar
'05
8:17 a.m.
John Foust wrote:
Yes, I left that part out. You need water, too, to
make the
bamboo and sand computer. Gravity and sand alone don't move
far and fast enough. Water, sand and gravity - whew, that
could double the clock speed from 0.0002 Hz! Ah, but I see
a snarky hand reaching up, asking "Why do you need the sand
at all?" and I say "Persistence of memory!"
For the clock of course ... the .0001 hz hourglass has to flip correctly.
- John
Ben alias woodelf