
Who wants a disposable cigarette lighter or a zippo when you can make your own cool electric lighter? You need a few batteries, a switch, and some wire, along with a few tools to make this nifty gadget.
A- 2:34

You can hack a 6-Volt lantern battery to extract four long, D-sized batteries to use in your MagLite Flashlights. Two of the elongated batteries equal three regular D batteries. Don't let those lantern ...
A 1:17

Step up your espionage skills with this high-tech, electronic spy stethoscope that can listen through walls. You can easily record the sounds you hear with a digital recorder, too!
A- 1:08

John Park poses a kitty conundrum: Who's going to feed the cat while you're on vacation? Using a motor from an old VCR, he creates an automated feline feeder.
A 6:47

This little hack is quite brilliant. It also opens your eyes to what really connects your devices. Why does a Belkin USB cable have to cost $20 and how does Monster sell HDMI cables for $100+?
B 1:22