Martyn WilliamsSenior U.S. Correspondent, IDG News Service

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

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Researchers reveal the default password for a credit card terminal

Many users never changed the password thinking it was unique to them, so they've remained the same for decades. And here it is.

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Comcast said to abandon Time Warner merger plan

Official announcement could come as early as Friday, says report.

PCWorld News

Drone found on roof of Japanese PM's office in Tokyo

Police discovered trace amounts of radiation on the four-propeller drone

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Google, Apple, Amazon spend record amounts on lobbying

Latest filings show increasing spending by some tech heavyweights in Washington, D.C.

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US plans Silicon Valley cybersecurity center

The new center would promote greater collaboration between the government and private sector.

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Uber must face charges it discriminates against blind passengers

A judge has ruled Uber does have to answer complaints it contravened several laws.

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Shape-shifting robot reveals secrets of Fukushima reactor

Robots reveal high radioactivity but little debris in their important mission.

Google's Project Loon close to launching thousands of balloons

Google says its Project Loon is close to being able to produce and launch thousands of balloons to provide Internet access from the sky.

PCWorld News

Uber lawsuit over alleged India rape heading to mediation

Both sides have agreed to try to settle the claim without a trial

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MIT develops wireless trackpad for your thumbnail

Tiny wireless device is still a prototype, but brings a new way to control electronics

Wikileaks publishes Sony's hacked email for anyone to go through

Thousands of documents are included in a searchable archive.

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Amazing bug-sized robots can build microstructures

Silicon Valley team eyes tiny, fast-moving robots in DARPA project.

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New robot bounces, could replace rovers on NASA missions

Researchers eye unique robots for missions a decade and more into the future.

PCWorld News

US sounds alarm on hacking of passenger jets, air traffic control

Government report says the FAA needs to do more to ensure safety in the skies

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Bitcoin Foundation hit hard by big bitcoin losses

While the Bitcoin Foundation says it's not bankrupt, it has been hit hard by the currency it's trying to promote.