The biggest problem is developing an extremely compact and high-powered energy source.
Of course, little things tend to get lost (wrong pocket in the wash) and then before you know it...
16 posted on 05/16/2010 7:14:02 PM PDT by Talisker
(When you find a turtle on top of a fence post, you can be damn sure it didn't get there on it's own.)
18 posted on 05/16/2010 7:17:35 PM PDT by ErnstStavroBlofeld
("You hit somebody with your fist and not with your fingers spread:-General Heinz Guderian)
