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— Music

Aqua enhances mobile music without bulk, battery, or breaking banks

Smartphones and tablets are convenient ways for consumers to enjoy music on-the-go, but they have limits for audio reproduction – the internal hardware is able to accomplish only so much. Portable digital-to-analog converters (DACs) and AMP products solve this by providing the necessary power, but most options tend to be bulky, battery-operated, expensive, or all of the above. The Nexum Aqua aims to deliver an audio experience without any of those drawbacks.

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MagKey uses magnets to stop keys jangling

Occasionally an invention comes along that promises to change mankind fundamentally, enable us to grow as a species, and expand our capabilities beyond what was previously thought possible. MagKey isn't one of those kinds of inventions at all. It simply uses magnets to stop keys from jangling, but we're still impressed.

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— Bicycles

Bionicon's e-ram mountain bike motor is light and low-profile

While hub motors may be quite common on commuter e-bikes, they’re not so popular on full-suspension electric mountain bikes. That’s because they add unsprung weight, which nobody wants. Various companies have responded by developing motors that are located in the middle of the bike, near the bottom bracket. These solve part of the problem, although they have to actually be built into the frame. That’s why Germany’s Bionicon has created the e-ram – it’s reportedly the world’s lightest mid-mount motor, and it could potentially be installed on existing mountain bikes.

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