Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; ...
Digital Camera World on MSN
This giant digital photo frame rearranges millions of ink capsules for a cord-free art display that can still display pictures when powered off!
As an E Ink screen, both frames use millions of dots of ink rearranged inside the screen to display artwork, including photos ...
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