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Your Emails: What's the tech behind continuously variable transmissions?

Brian Cooley explains the tech of CVTs and why they're not used for more performance applications.​

By November 12, 2015


Car Tech 101: Variable valve timing explained

Few innovations under the hood have become as ubiquitous as variable valve timing. Automakers brag about it all the time, but seldom explain it. So Brian Cooley's here to do just that.

By April 28, 2014


Take our tour of the hottest tech at CES 2015

If you're here at CES in Las Vegas, you'll quickly find out just how overwhelming the show floor can be. Here are the hot spots you won't want to miss.

By January 6, 2015


Loneliness narrows the uncanny valley

Starved for a little social contact? The face of a robot or doll will seem more alive to you than to someone with a brimming social life.

By September 8, 2014


Virtual buoys may stop ships from crashing in fog

Coast Guard tests electronic navigation aids that could help mariners navigate even the lowest-visibility conditions.

By May 24, 2014


Beyond step-counting: The future of wearables

Makers of wearables are looking for new things to track about your body, even if they need to poke inside it.

By May 11, 2014


How reliable is the Government's new broadband speed tester?

As the Australian Government releases a broadband speed tester allowing users to check download speeds, one expert doubts how effective such tools can be.

By April 10, 2014


Lego is a tool of Satan, says priest

Citing research from New Zealand and his own observation of Lego's Zombie characters and Monster Fighters, Poland's Father Slawomir Kostrzewa warns that children are being led into a world of death and darkness by the formerly lovable toy.

By April 1, 2014


So is Verizon's 'More Everything' plan a good deal?

The answer, just like the new plan, is complicated. CNET breaks it down for you.

By February 13, 2014


Tinke brings wireless health tracking to Android

With its sensors, Tinke users can track four wellness factors -- and do so at rest, when they can measure their true fitness.

By January 5, 2014