light

Behind the scenes with the world's largest LED art project

SAN FRANCISCO--I'm standing behind Leo Villareal, watching the well-known artist calibrate settings in the software running on his screen. Each time he moves a slider, one of the world's largest art installations -- mounted on one of the world's most-famous landmarks -- changes in an instant.

It's a gorgeous evening on the Embarcadero, San Francisco's eastern waterfront, with the San Francisco-Oakland Bay Bridge dominating the landscape in front of us, and a near-full moon doing its best to overcome the typical evening fog cover. Lights from the city, and from Oakland on the other side of the bay reflect brilliantly in the water. And with just the most subtle adjustments in his custom-designed software, Villareal makes thousands of LEDs strung out over the 1.8 mile-long western span of the bridge almost instantaneously change what they're doing, and how they're interacting with each other. … Read more

Mood lighting to cook by

Dining can be a delicate thing. Finding the right balance of flavors and ingredients can be tricky, but the meal is only half the story. Surrounding whatever food is on the plate, of course, is the environment. The setting could be anything from the soft glow of a candlelight dinner to the bright glare of a midday meal. Or, it could be any number of options dialed up from the range hood. Yes, that oft-overlooked thing above the stovetop.

The color of meal-making can now be controlled with the Arkea range hood made by the European firm Faber. The striking … Read more

NanoLight looks like an origami bulb of LEDs

It's a new era for lightbulbs. Incandescents are well on their way to being obsolete. Compact fluorescents are reigning champs, but LEDs are rising through the ranks, looking to challenge CFLs with advancing technology and falling prices. As fast as the tech changes, we're still pretty hooked on the old-school incandescent shape. We still want our bulbs.

The NanoLight Kickstarter project wants to give us LEDs without sacrificing the traditional bulb shape and ability to shine light in all directions. The result is a bulb that looks like it was designed by a Cubist painter. The makers claim it is the most energy-efficient light bulb in the world.… Read more

Control your lights using Siri and a WeMo Switch

There are plenty of creative hacks you can use to control a random appliance or two in your house with Apple's Siri, but most of them take some level of programming and hardware expertise to accomplish.

I've come up with a less tech-savvy way to use Siri to control a lamp, or anything that plugs in. You'll only need to know how to give Siri a command after everything is set up.

To get started you'll need a Belkin WeMo Switch and an IFTTT (for "if this, then that") account. Provided by the WeMo … Read more

Draw on your iPad without touching the screen

The Light Marker for iPad is Griffin Technology's latest collaboration with Crayola to make more kid friendly products, and this gadget looks like it will be a hit.

For $29.99, you can get a glowing marker-shaped pen that interacts with your iPad's front-facing camera to let you freehand draw, paint, and color on your iPad screen. After touching the glowing tip of the pen to your front-facing camera you simply point the pen in the direction of the iPad (from a couple of feet away) to see a laser-pointer you use as your drawing instrument.

Directing the … Read more

The 404 1,185: Where 50 euros go a long way (podcast)

Bathroom break video: iPad magician at the world famous German "Hofbraeuhaus" in Munich, the beer capital.

Show title credit: Beatmaster (join us live at noon Eastern everyday to suggest a show title. The most-used suggestions at the end of every month will win a prize!)

Episode 1,185

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Top Cars of 2012: CNET On Cars Double Holiday Special

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The top-scoring cars of 2012 are, happily, an oddball assortment. If they were just a bunch of Audis and BMWs, I'd be as bored as you would. But cars with many different brands on their trunks came through this year, delivering great CNET ratings in a variety of price categories; though, of course, pricey cars do tend to have an advantage.

So if you want to see the year that was in cars and tech, sit back and enjoy this … Read more

Gravity powers new lamp for developing countries

It's easy to take our electric lights for granted. Many people in developing counties don't have the luxury of electric grids and have to rely on kerosene lamps to brighten the night. Kerosene costs money and breathing the fumes is dangerous. A new light powered by gravity could be a superior solution to lighting needs.

GravityLight doesn't need to be recharged through solar cells. It doesn't use batteries at all. It's powered by the same force that keeps our feet on the ground. A weight attached to the light takes 3 seconds to lift up, but provides 30 minutes of light as it descends. … Read more

2013 Ford C-Max Hybrid: Prius Killer? CNET On Cars Episode 8

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Some 15 years after its introduction, the Toyota Prius still defines the hybrid car business. It's an amazing dominance, comparable with the iPod's position in the portable media player market. Prius models outsell all other hybrids combined in the U.S. but that doesn't mean they always will. Enter the Ford C-Max. The name is about as goofy as "Prius," but the mission is serious: to give the Prius some real competition and perhaps push it … Read more

Crave Ep. 101: Russia's trampoline sidewalk

Have you missed the weekly Crave podcast? We sure have. We are, therefore, very happy to tell you it's making a comeback with CNET producer Stephen Beacham! Catch the madness and mayhem below.

Episode 101:

- Feeling jumpy? Bounce down a trampoline sidewalk

- Trotify puts Monty Python horse coconuts on your bike

- Chuck Taylors collide in nerdy shoe collection

- Geek out over Legend of Zelda playing cards

- DOE, NASA testing fission reactor for spaceflight

- Interchangeable clothing uses magnets to switch up the style

- $2.4 million air-conditioned limo submarine perfect for 007Read more