Review: 'Smart' LED bulbs controlled by iPhones

LED bulbs seem to be the future of home lighting: They save electricity, they're durable and they don't contain mercury like compact fluorescents. But having them produce white light like any old light bulb is like using ...

A titanate nanowire mask that can eliminate pathogens

Filter 'paper' made from titanium oxide nanowires is capable of trapping pathogens and destroying them with light. This discovery by an EPFL laboratory could be put to use in personal protective equipment, as well as in ventilation ...

Engineers create prototype chip just three atoms thick

For more than 50 years, silicon chipmakers have devised inventive ways to switch electricity on and off, generating the digital ones and zeroes that encode words, pictures, movies and other forms of data.

A novel liquid metal battery for grid-level storage

The challenge of selling any new idea is that it has to compete with every other new idea. The process is more difficult when the idea's technology hasn't existed and addresses an issue that some industries don't see as a ...

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