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Researchers at the MIT Media Lab have developed ZeroN, a futuristic user interface that consists of "a small metal orb floating in free space that users can manipulate by moving around and placing in midair." Continue reading to see it in-action and for more information.

You've probably seen other ballpoint pen drawings, but this set by comic book artist Jim Rugg are full color images and housed in spiral notebooks. You'll find characters from Drive, Friday the 13th and other pop culture pieces. Continue reading to see them all.

Back in March, Epic Games was showing off Unreal Engine 4 behind closed doors and an NDA. Today the studio is opening up a little bit more about the new engine and that we can expect a lot more information at E3 next month. The team over at Wired conducted an interview with Epic Games founder Tim Sweeney about Unreal Engine 4 and just what we can expect from it, and I have to say, it is well worth the read. For starters, Epic has assembled a two and a half minute demo reel that shows off everything UE4 can do for developers. The demo reel has a demon knight in his volcano fortress with a ton of effects (lens flare, bokeh distortion, dynamic lighting, lava flow, environmental destruction, lava, and more) going around, and according to Wired, "it's breathtakingly photo-realistic." While the clip is not yet available, we do have a plethora of screenshots for you to peruse and gawk over. I imagine the clip will be shown during E3, so it looks like we have a few weeks left before seeing it.

As for Unreal Engine 4, Epic Games says it features tools that will allow developers to cut production times in half. This will mean more games can be produced each year if Epic's claims are accurate. The screenshots from the demo reel look amazing, but then that begs the question of just what kind of hardware will be necessary to get all games looking this good. I suppose we will find out in a few weeks.

Finding exact solutions to some problems can be a long and arduous process for humans. Computers can find these answers much faster, but it can require extra power and circuitry. An idea many computer scientists have been thinking about is the use of inexact hardware. Researchers at Rice University, Singapore's Nanyang Technological University, Switzerland's Center for Electronics and Microtechnology, and the University of California, Berkeley have created an inexact computer chip that is many times more efficient than modern exact processors, while still being smaller and using less power.

To ensure data is processed correctly, higher voltages are used in transistors. This puts a bigger gap between a 0 and 1, so it is easier to tell them apart. Additional circuitry is also used for error correction, or dedicated to specific functions that the other circuitry can do, but potentially with errors. By pruning out the extra circuits, inexact chips can be made smaller, which means they need less power, and with confined voltage scaling, even less power is needed.

Of course you do not want too much error, because there is a point at which error makes data useless. However the researchers found that allowing a deviation of just 0.25% could cut a chips energy demands by a factor of 3.5. The die shrink and increase in speed, which the voltage change allows, increase this to a factor of 7.5. This is doubled to a factor of 15 by allowing for an 8% deviation.

Inexact computer chips may not be the thing you or I want in our computers, even with that much performance gain, but there are still places they would be welcome. The researchers are working on tablet computers for use in India schools where there is little electricity and few teachers. By pruning both the CPU and GPU the researchers expect to have the tablets require half the power they normally would, which will allow them to be powered by solar power strips similar to those on some handheld calculators.

No matter how expensive a car may be, there are the elite few who purchase just about everything supercar makers can churn out - like this limited edition Ferrari 458 Italia Dragon Edition. We've rounded up ten of the most expensive street-legal cars in the world (based on their MSRP launch prices) for your viewing enjoyment. Continue reading to see them all - videos included.

There's a good chance you have been trapped in an elevator or on a bus with someone talking on their phone. This can be annoying, depending on how loud the person is and what they are talking about. Researchers at Tel Aviv University were curious about what smartphone users think about situations like that, and privacy in general.

Of almost 150 participants, roughly half were smartphone users with the other half using regular cellphones. Despite both offering mobile communication, the different devices lead to different responses and behaviors. Smartphone users are 50% more likely to not be bothered by someone nearby talking on their phone in public, and 20% less likely to think they are bothering someone when on the phone themselves. While this makes some sense as the smartphone users may be more use to this behavior, smartphone users are also 70% more likely to think their phone provides them with a great deal of privacy.

Unsurprisingly, the smartphone users also described themselves as 'lost' or 'tense' when they are without their phone. Regular cellphone users however, have more positive feelings towards being without their device, describing the experience as 'quiet.'

The researchers believe some of this information, and that they are still collecting, should be used to redesign public spaces in the future. As the use of these areas change it stands to reason so too should the areas.