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A Hidden Tesla Coil Wirelessly Powers This Lamp's Interchangeable Bulbs

Based on a fun demo used at science centers across the country, the Arc Light features a pair of glowing LED tubes that aren’t actually connected to the lamp in any way. Instead, tucked out of sight is a compact Tesla coil that wirelessly powers the bulbs whenever they’re close enough. » 7/30/15 12:10pm Thursday 12:10pm

This DIY Fog Catcher Harvests Water from the Air

Fog-catching technologies have been used for centuries to gather moisture in deserts; we’ve even explored how they might mitigate the effects of drought. But the issue with introducing them into our cities is a matter of scale: Fog catchers need to be particularly large to catch a significant amount of water, and it’s… » 7/28/15 4:45pm Tuesday 4:45pm

You Know You Want a Machine That Turns Any Food Into Dippin' Dots

Despite the fact that you’re eating tiny fish eggs, caviar lends any meal a feeling of sophistication. So it only makes sense that you’d want to eat everything in the form of those tiny Jello-like spheres, right? That’s where this handheld contraption, currently raising funds on Kickstarter, comes in. » 7/28/15 2:10pm Tuesday 2:10pm