Consumer & Gadgets

Using laptops and similar devices safely on aircraft

The number of incidents involving damaged electronic devices on board aircraft has increased in recent years. Most of these are caused by lithium-ion batteries, which are found in laptops and other portable electronic devices.

Energy & Green Tech

Farmers turn to solar power in Syria's former breadbasket

At his farm in Syria's northeast, Abdullah al-Mohammed adjusts a large solar panel, one of hundreds that have cropped up over the years as farmers seek to stave off electricity shortages in the war-ravaged region.

Energy & Green Tech

Why is it so hard to make batteries smaller and lighter?

Flat coin cell batteries (the kind used in watches) have been around for decades. But the combination of solid and liquid components makes it very hard to see how the components fail inside these batteries.

Energy & Green Tech

Energy Sec. Granholm brings clean energy gospel to CES show

Anyone wondering what compelled the U.S. Department of Energy's first-ever appearance this year at the CES tech show—traditionally an annual showcase for consumer gadgets—need only consider what its boss sees as her main ...

Energy & Green Tech

The search for a thermally stable anatase for sodium-ion batteries

Electric vehicles, powered by renewable energy instead of finite fossil fuels, are the best green choice—but they could be more sustainable. As the most common power source in electric vehicles and portable electronics, ...

Electronics & Semiconductors

The Internet of Things needs ultra-compact supercapacitors

Increased demand for super tiny electronic sensors coming from healthcare, environmental services and the Internet of Things is prompting a search for equally tiny ways to power these sensors. A review of the state of ultracompact ...

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