"basskisser" wrote in message
oups.com...

Dan J.S. wrote:
"Don White" wrote in message
...
tak wrote:
" JimH" jimh_osudad@yahooDOT comREMOVETHIS wrote in message
...

A water bridge for boats built over a river. Pretty amazing!

http://www.funonthenet.in/content/view/223/31/

http://www.dw-world.de/dw/article/0,,990878,00.html
Google NYS Erie Canal (1 version) for examples nearer to home.




Can you imagine the weight of bridge structure, water & boats.
I wouldn't want to spend too much time under it.

boat adds absolutely no weight to this bridge... physics 101

Prove it...!!


Think about what causes a boat to float (or anything to float). His point
will come to you. Or Google displacement
T