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You may have seen pictures of sweet-looking bumper cars being driven around like real cars. Well, DVICE scored an exclusive interview with the reclusive artist who created them. We granted him anonymity for the purposes of this story to get the full scoop on these beautiful vehicles (though there are plenty of search engines that can help you if you're curious).

There's this guy, let's call him Joe, with no formal mechanical or engineering training, just a gut feeling about tools and motors. He builds works of art out of materials that most people consider junk.

The subtle art of listening, allegedly the keystone of successful marriages, has a defensive role in the chaos of war, too. A Dutch firm is shopping to world militaries a tiny device that listens for screams, gunshots, mortars and even warplanes. It doesn't listen in the conventional sense, but instead measures the 3D movement of individual air particles in order to determine the x, y and z coordinates of whatever made the noise in question.

For some people (read: Wall Street bankers struggling to spend their multimillion-dollar bonuses.), camping in a 45-foot luxury RV is too dreary to contemplate. Fortunately for them and gas refineries everywhere, a pair of German design students have created the Mehrzeller travel trailer. Its luxurious interior is surpassed only by an exterior fit for a Tokyo art museum.