Chronology | Current Month | Current Thread | Current Date |
[Year List] [Month List (current year)] | [Date Index] [Thread Index] | [Thread Prev] [Thread Next] | [Date Prev] [Date Next] |
On 02/08/2012 09:05 AM, Donald Polvani wrote:
Thanks! Just what I needed for a demo in our qualitative electrostatics lab
this afternoon!
On Behalf Of Robert Sciamanda
Check it out===>
http://www.howtogeek.com/104982/dancing-droplets-water-droplets-orbiting-in-
micro-gravity-video/
Ask the kids:
-- Why was there a second knitting needle near the nozzle where
the droplets were produced?
-- Was the second needle (a) uncharged, (b) charged the same
as the main needle where the droplets orbit, or (c) charged
oppositely? How do you know?
Huge hint (also interesting in its own right):
uggc://ra.jvxvcrqvn.bet/jvxv/Xryiva_jngre_qebccre
That's what I call high-quality qualitative electrostatics.