A solar cell that makes hydrogen without a power supply
Hydrogen made from water and sunlight is one of the cleanest fuels on paper, but most designs still lean on an outside electrical boost. According to a report by Interesting Engineering, a team at South Korea's Ulsan National Institute of Science and Technology (UNIST) has built an organic-semiconductor device that splits water entirely on its own, and set an efficiency record for its class while doing it.
The headline number is a 7.9% sol...
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organic semiconductors
Revolutionary Fully Spherical & Portable Camera
Imagine having a 360-degree experience to capture, explore with a device that can fit snugly in your hand.
The Theta camera, from the Japanese firm Ricoh, is the world's first handheld camera that takes fully spherical photos with just one press of a button.
The device fits comfortably in the palm of a hand, similar to a remote control. Its twin-lens system captures the scene around, above and below the device.
The shutter button is positioned below the lens making it easy to take the p...
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