Microsoft ’s Surface multi - touch mesa sure is nerveless , but who has $ 10,000 to pass on a contraption like that ? I personally have maybe fifty bucks to my name right now , so I think I ’ll have to fulfill my multi - touch itch with a cardboard box and a webcam like this guy .
Seth Sandler , an undergraduate student at UC San Diego , built a portable multi - touch pad out of a cardboard box , a piece of glass , paper , and his Philips SPC900NC webcam . The tv camera pick up on the shadow created by your fingers when they ’re placed on the inkpad ’s surface . A tracking software then transfers the movement onto a electronic computer concealment . Multi - touch goodness at an incredibly low price — looks like I can afford to eat this calendar month after all ! [ New Scientist ]
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