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Georgia Tech

— Environment

New process allows fuel cells to run on coal

By - June 23, 2011 1 Picture
Lately we’re hearing a lot about the green energy potential of fuel cells, particularly hydrogen fuel cells. Unfortunately, although various methods of hydrogen production are being developed, it still isn’t as inexpensive or easily obtainable as fossil fuels such as coal. Scientists from the Georgia Institute of Technology, however, have recently taken a step towards combining the eco-friendliness of fuel cell technology with the practicality of fossil fuels – they’ve created a fuel cell that runs on coal gas. Read More
— Science

World's 'first self-powered nanodevice with wireless data transmission' created

By - June 20, 2011 1 Picture
Scientists from the Georgia Institute of Technology recently reported the development of what they say is the world’s “first self-powered nano-device that can transmit data wirelessly over long distances.” The tiny device is able to operate battery-free, using a piezoelectric nanogenerator to create electricity from naturally-occurring mechanical vibrations. Read More
— Science

Scientists working on human-dolphin communication device

By - May 20, 2011 1 Picture
Despite his annoyingly cutesy synthetic voice, Darwin the Dolphin on the TV series SeaQuest DSV did present an intriguing possibility – what if we could create a dolphin language translator? Such a device may no longer be limited to the realm of science fiction, as two scientists are currently developing an underwater computer that they hope to someday use for two-way communications with wild dolphins. Read More
— Robotics

Autonomous robots could collaborate on mapping hazardous environments

By - May 17, 2011 1 Picture
Imagine you're a firefighter arriving at a burning building, but you have no idea what the interior layout of that building is. Do you just enter, then risk your life by randomly walking up and down smokey hallways looking around? What would work better would be if someone or something could quickly map out the building first, then you could take that information and concentrate on getting directly where you need to go. That's the idea behind the U.S. Army's Micro Autonomous Systems and Technology (MAST) Collaborative Technology Alliance Program, which would see swarms of small rolling, hopping, crawling or flying robots working together on reconnaissance missions in civilian or military applications. Read More
— Robotics

Lizard-inspired robot can swim through granular material

By - May 10, 2011 4 Pictures
When the sandfish lizard wishes to escape predators, it can actually dive beneath the surface of the sand, and then swim through it. Inspired by the sandfish, researchers at the Georgia Institute of Technology have created an undulating robot that can likewise swim through a granular medium. While that medium has so far consisted of quarter-inch plastic balls in a lab setting, the team hopes that their robot – or one of its descendants – could someday be used to tunnel through debris to rescue earthquake victims. Read More
— Electronics

Squeeze power: First 'practical nanogenerator' developed

By - April 25, 2011 1 Picture
For the past several years, scientists from around the world have been engaged in the development of nanogenerators – tiny piezoelectric devices capable of generating electricity by harnessing minute naturally-occurring movements, such as the shifting of clothing or even the beating of a person's heart. So far, while they may have worked in principle, few if any of the devices have been able to generate enough of a current to make them practical for use in consumer products. Now, however, scientists from the Georgia Institute of Technology are claiming to have created "the world's first practical nanogenerator." Read More
— Robotics

Getting robots to move like people for better interaction

By - March 7, 2011 2 Pictures
As robots get smarter and more capable and make their way from manufacturing assembly lines to a much wider variety of applications, we will be interacting with them in more and more situations. Currently, robots tend to move with jerky, stop/start motions, which can make it difficult for humans, who are accustomed to the fluid and dynamic movements of other humans, to easily recognize what the robots are doing. In an attempt to create robots that can better interact with humans, researchers at the Georgia Institute of Technology are getting robots to move in a much more human-like way. Read More
— Science

LCD projector used to control tiny organisms

By - January 18, 2011 2 Pictures
Genetically engineered remote controlled animals ... what the? Using inexpensive and widely available technology combined with the latest techniques in optogenetics, researchers at Georgia Tech have created exactly that. Optogenetics is a mix of optical and genetic techniques that has allowed scientists to gain control over brain circuits in laboratory animals. Mary Shelly would be proud – or totally freaked out. But don't expect remote controlled poodles or parrots in your nearest pet store by Christmas, this might be a few years off. Read More
— Robotics

Healthcare robot gives sponge baths

By - November 9, 2010 4 Pictures
While many movies and TV shows would have us believe that hospital sponge baths are only carried out by nurses at either end of the attractiveness spectrum, the reality is no doubt generally somewhere in between. In fact, I’m sure a lot of patients and even more nurses would prefer such tasks were handled by a robot. Researchers at the Georgia Institute of Technology seem to have reached the same conclusion and have developed a robot that can autonomously perform bed baths to keep bedridden patients clean. Read More
— Aircraft

Designers rethink jet aircraft in the quest for shorter take-offs

By - November 8, 2010 2 Pictures
What's wrong with this picture? If you said the engines are upside down, you'd be wrong. The odd engine placement is part of a cruise-efficient, short take-off and landing (CESTOL) aircraft concept from the Georgia Tech Research Institute which also sees mechanical wing-flaps replaced by high-speed blasts of air to generate extra lift. It's hoped that the development of such craft will make more airports available to fixed-wing jet aircraft by enabling take off and landing at steep angles on short runways, as well as reducing engine noise. Read More
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