Battery low? Give your mobile some water

A power source for your mobile phone can now be as close as the nearest tap, stream, or even a puddle, with the world's first water-activated charging device.

Memory effect now also found in lithium-ion batteries

Lithium-ion batteries are high performance energy storage devices used in many commercial electronic appliances. Certainly, they can store a large amount of energy in a relatively small volume. They have also previously been ...

Detroit Electric pegs SP:01 production output at 999

(Phys.org) —Look what just pulled up to claim a parking spot in the electric sports car market. Detroit Electric has unveiled the SP:01, an all-electric car. With a top speed of 155 mph, the makers say it is the world's ...

The superpower behind iron oxyfluoride battery electrodes

(Phys.org) —Innovative materials chemistries continue to drive advances in lithium-ion batteries-the state-of-the-art in rechargeable energy storage. While many different battery components contribute to their performance, ...

Review: TLC200 simplifies time-lapse videos

"Life moves pretty fast. If you don't stop and look around once in a while, you could miss it." Or so says Ferris Bueller. If you'd like to keep track of life and play it back at your leisure, you're probably a fan of time-lapse ...

Using fluctuating wind power

Incorporating wind power into existing power grids is challenging because fluctuating wind speed and direction means turbines generate power inconsistently. Coupled with customers' varying power demand, many wind-farm managers ...

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