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 top-secret X-37B space plane is about to break another record

The U.S. Air Force's top-secret autonomous space plane, the X-37B, is days away from breaking its own longevity record. The aircraft, which looks like a mini Space Shuttle, is on schedule next week to spend its record-setting 675th day in orbit, but we still don't know much about what it's doing up there.

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Cornell University's radical radio chip uses software filtering to work anywhere

Researchers at Cornell University have developed a new type of radio-on-a-chip that could mean cheaper, more flexible wireless systems.

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Inside the Russian hack of Yahoo: How they did it

One mistaken click. That's all it took for hackers aligned with the Russian state security service to gain access to Yahoo's network and potentially the email messages and private information of as many as 500 million people.

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Russian government agents among those charged for massive Yahoo hack

The U.S. Federal Bureau of Investigation has charged four people, including two Russian state intelligence agents, for their involvement in a massive hack of Yahoo that affected half a billion accounts.

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US Army shows off its 'hoverbike' delivery drone

It's been a year since the U.S. Army began researching the use of a British-built hoverbike as an autonomous delivery drone for battlefields, and it recently showed off its progress.

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US Army shows off its 'hoverbike' delivery drone

It's been a year since the U.S. Army began researching the use of a British-built hoverbike as an autonomous delivery drone for battlefields, and it recently showed off its progress.

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Say goodbye to the camera bump with this smartphone concept

Engineers at Germany's Fraunhofer Institute have developed a smartphone camera module that's thin enough to be squeezed inside a smartphone, removing the need for a 'camera bump' without compromising on quality.

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This tiny chip's 'quantum shot noise' could revolutionize mobile and IoT security

Engineers at South Korea's SK Telecom have developed a tiny chip that could help secure communications on a myriad of portable electronics and IOT devices.

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SK Telecom pushes for interoperable quantum crypto systems

SK Telecom and Nokia have developed a prototype quantum cryptography system that combines the South Korean company's quantum key server with an encryption device from Nokia.

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Sony's Xperia XZ Premium has a 4K HDR screen, super slow-mo

Sony's Xperia XZ Premium shines, quite literally. The first thing you notice about the new phone is the mirror finish that gives the device a sparkly appearance. It seems destined to require lots of polishing.

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NTT DoCoMo demos VR control of robots over 5G

At this week's Mobile World Congress in Barcelona, Japan's NTT DoCoMo is demonstrating remote control of robots via a wireless virtual reality system over a next-generation 5G wireless link.

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Akyumen's Hawk smartphone packs a projector

Over the past decade there have been several attempts to cram video projectors into smartphones. All ultimately failed, but a Silicon Valley startup reckons it has the recipe right and is hoping for a warm response from consumers when its phone debuts later this year.

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Sophos CEO sounds the alarm on enterprise ransomware attacks

Ransomware is increasingly becoming a problem for companies, and the CEO of a leading computer security company says he fears 2017 could see entire companies shut down until they pay up, or risk losing all their data.

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IBM's hub for wearables could shorten your hospital stay

Researchers at IBM have developed a hub for wearables that can gather information from multiple wearable devices and share it with a doctor, potentially cutting down on the time patients need to spend in a hospital.

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Tokyo wants to make Olympic medals from old smartphones

Japan will kick off a drive this week to collect old smartphones and other portable gadgets so that they can be turned into medals for the Tokyo 2020 Olympics and Paralympics.