Sony takes the wraps off new SLT-A77 (α77) and SLT-A65 (α65) cameras

Sony takes the wraps off new SLT-A77 (α77) and SLT-A65 (α65) cameras: "Sony has revealed that its faithful α700 mirror-based digital SLR (DLSR) is being put out to pasture and replaced with a powerful new pretender featuring the company's Translucent Mirror Technology. "

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Sony details the NEX-7 / NEX-5N digital cameras

Sony details the NEX-7 / NEX-5N digital cameras: "The interweb rumor mill has been busily whipping up a storm about a new mirrorless digital camera from Sony in recent weeks. Happily, the official announcement from Sony hasn't disappointed those of us who have been patiently waiting for something more tangible."

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Rear access helmet designed for easy, safe removal

Rear access helmet designed for easy, safe removal: "Although motorcycle helmets save countless lives, they can pose a challenge to emergency response personnel at accident scenes - the helmet needs to be removed, yet the patient's head should be moved as little as possible, in case there are any spinal cord injuries. "

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New technique delivers 'real' lab-grown muscle tissue

New technique delivers 'real' lab-grown muscle tissue: "Most people who have sweated it out in the gym trying to add a bit of muscle definition to their bodies will know just how difficult such a task is, but trying to grow muscle tissue with a real muscle structure complete with blood vessels in the laboratory has proven to be an even more difficult brief for researchers."

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SignalGuru uses network of dashboard-mounted smartphones to help drivers avoid red traffic lights

SignalGuru uses network of dashboard-mounted smartphones to help drivers avoid red traffic lights: "The continuing increase in gasoline prices around the world over the past decade has also seen an increase in the practice of hypermiling - the act of driving using techniques that maximize fuel economy."

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Sony reveals more details on PS Vita

Sony reveals more details on PS Vita: One of the two PS Vita versions offers 3G connectivity and the device will be sold through cell-phone provider AT&T exclusively in the US - but no word on AT&T data plans and pricing yet. Vita cannot be used as a cell phone and the VoIP support is unclear. Sony also says the console will not be region specific.

Scientists create 'living laser'

Scientists create 'living laser': While laser beam-shooting plants or animals might seem like something straight out of Star Trek, two researchers from the Wellman Center for Photomedicine at Massachusetts General Hospital recently wondered whether such organisms could theoretically exist.

ForceShoes enable extremely precise tracking of how their wearer walks

ForceShoes enable extremely precise tracking of how their wearer walks: There may not be many people interested in the precise measurement of all the forces and movements that are at play as someone walks, but for those few, a new tool has been developed to help them carry out their research - ForceShoes.

'Thermally activated cooling system' puts waste heat to use

'Thermally activated cooling system' puts waste heat to use: Automobiles, appliances, power plants, factories and electrical utilities all waste one thing: heat. More specifically, they produce heat as a by-product of their normal operations, but that heat is just dispersed into the air instead of being put to use.

'Cambridge crude' could let EVs refuel like gas-powered vehicles

'Cambridge crude' could let EVs refuel like gas-powered vehicles: With consumers used to the convenience of refueling their vehicle at the gas station in a few minutes, one of the biggest disadvantages of electric vehicles is the time it takes to recharge their batteries.

Porsche completely redesigns the 911 Carrera

Porsche completely redesigns the 911 Carrera: The iconic, brand-defining Porsche 911 Carrera has once again been redesigned, and the latest incarnation will be seen for the first time at the Frankfurt Motor Show. It's lighter, more economical, more powerful, cleaner and orders are being taken from September 1

In-shoe device harvests energy created by walking

In-shoe device harvests energy created by walking: Although you may not be using a Get Smart-style shoe phone anytime soon, it is possible that your mobile phone may end up receiving its power from your shoes. University of Wisconsin-Madison engineering researchers Tom Krupenkin and J. Ashley Taylor have developed an in-shoe system that harvests the energy generated by walking.