|
|
Invisible wrote:
> You'd need a pretty damned big bell jar to drop an object any
> significant distance.
Somewhat larger than the distance it takes to see a feather and a ball
bearing falling at different speeds in atmosphere.
>> You can go to edmond's scientific and buy bottles of vacuum for like a
>> quarter each, too.
>
> Really?
Yes. Ever get blood drawn? How do you think that works?
> But last I checked, a pump powerful enough to create anything you could
> describe as "a vacuum" is an extremely expensive piece of scientific
> equipment.
http://www.google.com/products?q=vacuum+pumps+for+sale
Even the $25 pump gets you down to 29" of vacuum.
--
Darren New, San Diego CA, USA (PST)
Forget "focus follows mouse." When do
I get "focus follows gaze"?
Post a reply to this message
|
|