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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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.

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Ford to pump $1B into AI for driverless cars

Ford plans to spend $1 billion over the next five years on the development of an artificial intelligence system for driverless cars.

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FCC takes first step toward over-the-air 4K broadcasting

The Federal Communications Commission has taken the first step towards the eventual roll-out of over-the-air terrestrial 4K television broadcasting in the United States.

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Trump to sign cybersecurity order calling for government-wide review

President Donald Trump is due to sign an executive order Tuesday that gives each cabinet official more responsibility for the safety of data within their agency.

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Uber, Amazon, Tesla ramped up US lobbying in 2016

Many major tech companies spent less money lobbying in Washington in 2016, but a handful, including Uber and Amazon, invested significantly more in attempting to influence politicians and the regulatory process.

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Alt Twitter government accounts spring up to challenge Trump

Alternative facts and fake news, meet Alt-Twitter. In the last few days a growing number of Twitter accounts have been started claiming to be the "alternative" or "rogue" voices of U.S. government workers and agencies.