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February 27, 2017

Dousing Flames with Low-Frequency Sound Waves

A new type of extinguisher that uses sound waves to put out fires has been built by two engineering students in the US. Both chemical- and water-free, the invention offers a relatively non-destructive method of fire control, which could find applications in fighting small fires in the home, and the researchers now hold a preliminary patent application for their device.

While the concept of using sound waves to extinguish flames is not new, previous attempts to realize the principle – including efforts by teams at West Georgia University and the US Defense Advanced Research Projects Agency (DARPA) – had not been successful.

Undeterred by this, as well as initial [...]

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July 2, 2015

Charge Your Devices While You Peddle

Generating electricity with a bicycle seems like a natural combination: tap some of the energy that goes into turning the wheels and convert it to power to light your way. Miami startup Spinetics takes that idea to the next level with the CydeKick, a generator that not only powers lights, but also charges USB devices such as phones, cameras and GPS units on the fly.

At the same time, the generating process has been improved to cause less drag on the wheels.

The Cydekick Pro consists of a wheel-mounted generator and a handlebar-mounted headlight and USB charging unit, all of which can be installed by the user. An optional taillight accessory is available as well. The [...]

 
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March 31, 2015

Storage Breakthrough Will Improve SSD Capacity Tenfold

Two companies today announced new 3D NAND technology that stacks layers of flash cells vertically to increase density.
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January 5, 2015

Explanation Begins for the Superconducting Pseudogap

Researchers at Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory have found the first direct evidence that a mysterious phase of matter known as the “pseudogap” competes with high-temperature superconductivity.

The pseudogap takes electrons from superconducting materials that otherwise might pair up to carry current through a material with 100% efficiency.

The result is the culmination of 20 years of research aimed at finding out whether the pseudogap helps or hinders superconductivity, which could transform society by making electrical transmission, computing and other electrical powered work much more energy [...]

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