Martyn WilliamsSenior U.S. Correspondent, IDG News Service

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Martyn Williams covers Silicon Valley and general technology breaking news for the IDG News Service, and is based in San Francisco.

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The FAA's drone registry is live, and it's ridiculously easy

The FAA's new drone registration system went live on Monday, and it's ridiculously easy to use. Shortly after it went live at 3pm EST, I signed up and the whole process only took a few minutes.

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Over-the-air 4K TV demo planned for CES

A live demonstration of broadcast 4K television is planned to take place in Las Vegas in January at the Consumer Electronics Show.

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California opens road to public use of autonomous cars

California has published the world's first regulations dealing with the routine use of autonomous cars on city streets -- a big step toward the day when computers, not humans, are in charge of cars.

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Ford will test driverless cars in California next year

Ford will begin testing a fully autonomous version of its Fusion Hybrid on California streets in 2016, becoming the latest major automaker to put driverless car technology to the test on real roads.

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Fuel cell keeps drones in flight for hours, not minutes

A British company says it may have a solution to one of the most frustrating issues of drone flying: short battery life.

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Samsung makes last-chance appeal to Supreme Court on Apple verdict

Samsung is attempting to take its years-old patent fight with Apple to the U.S. Supreme Court. On Monday it filed an appeal to the court asking it to take a look at the rules regarding design patents -- rules that haven't been touched in 120 years.

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FAA will require consumer drone registration starting next week

The U.S. government is to start requiring owners of consumer drones to register their aircraft. The move, which has been expected, comes shortly before thousands of drones are expected to be given as holiday gifts.

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This Japanese security drone will chase down intruders

Security guards in Japan have a new tool to deter intruders: a flying security drone that will chase down and follow people without human intervention.

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Here's a look at Walmart Pay in action

On Thursday Walmart announced a payment system of its own that uses barcodes and it doesn't look too clumsy.

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FLIR to develop infrared cameras for DJI drones

Thermal imaging camera maker FLIR Systems has started working with drone maker DJI Technology on infrared cameras that can be attached to DJI's drones.

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Toyota's new Prius is one of first that talks to other cars

The new version of Toyota's best-selling Prius hybrid will come with technology that allows it to talk to other vehicles and things like traffic signals.

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NASA's not so keen to talk about quantum computer security

When NASA showed off its D-Wave 2X quantum computer on Tuesday, engineers were keen to talk about the computer's capabilities but less so about security measures that might be in place to stop hackers.

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How Yahoo ignited the Web -- and then got burned

Over the years Yahoo has had its ups and downs and been criticized for falling behind the times -- but it remains in business, and one of the few web pioneers to successfully avoid bankruptcy or acquisition.

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NASA, Google reveal quantum computing leap that leaves traditional PCs in the dust

In an experiment, a quantum computer outperformed a conventional machine by 100 million times.

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Five things you should know about drone regulations

There's a lot of confusion while the FAA works to come up with long-term regulations