"Bill" wrote in message
...
On 4/11/2012 5:29 PM, Dan wrote:
On 4/1/2012 9:06 PM, Jon Elson wrote:
Gunner Asch wrote:

A. All were invented
by women.

maybe add spread spectrum communications (hedy lamarr) to the list

http://people.seas.harvard.edu/~jone...at2/index.html

Likely the idea arose from George Antheil's efforts to synchronize
multiple player pianos. The difficulty isn't changing frequencies,
it's having the receiver know exactly when to switch to the next one.

Lamarr's first husband had been an Austrian munitions maker so she was
aware of the technologies and problems.

jsw