What does it say about society when combo consumer gadgets are made out of weapons? That's what aptly named Street Wise has done with its "Lightning Rod," a 6-inch cylinder that SlashGear says can send an 800,000-volt Valentine to an assailant. The combo part is a built-in LED flashlight, so you can make sure you're not zapping a friend or family member by mistake in the dark. Just remember, if you decide to use it for ordinary flashlight duties such as changing your oil, be sure to keep the safety lock on.
CNET's giving away a 3D printer
Enter for a chance to win* the MakerBot Replicator 3D Printer and all the supplies you need to get started.