The LightTalk LED pen
Some more fun with persistent vision phenomenon.
This cool "pen" lets you scan an image or text, then display it using the LEDs by waving it back and forth rapidly.
Check out the LightTalk and more at the very cool ThinkGeek.com.
This cool "pen" lets you scan an image or text, then display it using the LEDs by waving it back and forth rapidly.
Check out the LightTalk and more at the very cool ThinkGeek.com.
posted by laughingboy at 7:01 PM
1 Comments:
That pen is great! I want to scan the words "back off" so I can use it while driving my car. Then I would use it to scan things I want for Christmas and subtly wave it around my family. :) Fun!
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