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Cool Gadgets, Gizmos, Games and Geek Stuff on Technabob
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Tag: Persistence

Hard Drive Clock is the Most Beautiful Hard Drive Clock Ever

Hard Drive Clock is the Most Beautiful Hard Drive Clock Ever
This wouldn’t be the first time I’ve seen a clock fabricated from an old hard drive. But this is by far the most amazing, dramatic hard drive clock you’ll see today. Or any day for that…

Persistence of Vision LED Clock Gets a Major Upgrade

Persistence of Vision LED Clock Gets a Major Upgrade
This amazing wall clock can display intricate animations thanks to the optical phenomenon known as persistence of vision (POV). Using a small spinning “blade” covered in red, green and blue LEDs, along with sophisticated microcontroller circuit,…
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Bike Wheels Reveal Hidden Messages

Bike Wheels Reveal Hidden Messages
Here’s a cool gadget that lets you send messages using the wheels of your bicycle. By using an optical illusion called persistence of vision, your words are revealed as you pedal your bike. The Lampex Lex…

Spinning LED Clock Uses Image Persistence to Tell Time

Spinning LED Clock Uses Image Persistence to Tell Time
By rapidly spinning a blade that contains an array of flashing LEDs, this wall clock tells time in a visually striking way. A thin LED arm, loaded with 33 LEDs spins at 30 revolutions per second…
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