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Bitcoins are a virtual currency used to buy other currencies, products and services online. Bitcoin mining uses algorithms to verify transactions, and miners earn bitcoins in exchange. Powerful computers are used to calculate algorithm outcomes before other miners, so bitcoin miners usually seek locations with easy access to cheap electricity. Basically, the fastest computer wins.

Bill Henwood, a funeral director at York Funeral Home, whose business is located inside the cordoned off area on Brookside Drive, said people sat in their cars or were just standing near the blockade of police and fire vehicles "hanging tight and waiting for word" for news.

Boats in the northeastern waters of the South China Sea and around Hainan have been ordered to return to harbors.

Boeing omitted flight-control features on the 737 MAX commercial jetliner that were included in an earlier version of the system designed for a military tanker, according to a news report.

Blue Shade uses specialized filters to limit exposure to blue light. It also offers warm color filters and the ability to lower the display brightness to an ultra-low level for comfortable nighttime reading—even in a dark room. The feature can be easily turned on or off with a single tap on the Blue Shade quick setting. Customers can also fine-tune the color settings to their personal preference, with the device intelligently adjusting the color filtering so that at any color or brightness, the blue wavelength light is always suppressed.