604 Results for

optics

Article

The Forerunner 225 is Garmin's first device to include an optical heart-rate sensor

Garmin's newest watch can measure pace, distance and heart rate while running, along with tracking steps taken, distance traveled, calories burned and your sleep at night.

By May 12, 2015

Article

​With an infrared rainbow, IBM optical chip outpaces copper wires

Big Blue's researchers have demonstrated fiber-optic technology that could help computers break through today's speed limits by transferring data faster.

By May 12, 2015

Video

Better than Touch ID? Check out Vkansee's optical fingerprint scanner

Clean or dirty, wet or dry, this highly tuned fingerprint scanner promises to outdo Apple's ho-hum tech with a far higher resolution.

By March 3, 2015

Article

Apple iPhone 6, 6 Plus get updated cameras with optical image stabilization, faster autofocus

The new camera has a lot of the same basic specs as the iPhone 5S, but gets some new tech for better photos and video.

By September 9, 2014

Article

How to get the most out of your smartphone camera

When was the last time you actually used a compact camera? If you're a seasoned smartphone owner, then the answer is probably a lot time ago, as our trusty mobiles have all but killed off the traditional point-and-shoot snapper.

By May 27, 2015

Article

'Tomorrowland' in Dolby Cinema: the best picture I've seen in a theater

In the Dolby Cinema presentation of Disney's "Tomorrowland," fiber-optic-fed laser light engines, 4K resolution, HDR contrast and Atmos sound combine to create a breathtaking cinema experience. Tomorrow's theater experience can't come home soon enough.

By May 22, 2015

Article

The telescope looking for the beginning of time

The Giant Magellan Telescope will be the world's biggest telescope -- and it will look deeper into the past than we've ever seen before.

By May 11, 2015

Article

Baffle yourself with the best optical illusions of the year

The winners of the Best Illusion of the Year contest have been crowned, so go ahead and enjoy the confusion.

By May 20, 2014

Article

Happy 25th birthday, Hubble Space Telescope

It almost failed before it had even begun, yet it has far outlived its planned lifespan, becoming a treasure of untold value. Crave talks to some of the engineers who've kept it going.

By April 24, 2015

Article

HDMI vs. optical: Which digital-audio connection to use?

When hooking up an audio system or sound bar, you generally have to choose an HDMI or optical digital-audio connection. Find out which one is better and why.

By March 13, 2014