WHAT IS YOUR FAVOURITE GADGET OR CONTRAPTION THAT MYTHBUSTERS BUILT
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Told you so!!!! :-)
The only way would be for the device to "somehow" detect whether it was a "real finger" being shown, rather then a "copy". Since a copy would not be a "flesh and blood" finger (although it may be placed ON one).
Retinal scans would be both more secure and harder to duplicate, I believe.
I can't do it this week or the other got a lot of school work....
Hey could you take a look at my question please...
thanks!
http://www.instructables.com/answers/Magnetic-LevetationA-Magnet-Levitating-between-t/
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