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Saarland University

Materials

Shape memory alloys the basis for more efficient refrigerant-free cooling

By preserving our food and keeping our buildings comfortable in hot weather, mechanical cooling systems have been a boon, but with their refrigerant gases and high power consumption they're not exactly environmentally friendly. In an effort to make a greener, more energy efficient cooling system, a team of engineers from Germany's Saarland University is turning to shape memory materials to replace the refrigerant gases used in conventional cooling technologies.Read More

Materials

Shape-memory wire simulates muscle in high-precision artificial hand

Whether they're on robots or amputees, artificial hands tend to be rather complex mechanisms, incorporating numerous motor-driven cables. Engineers from Germany's Saarland University, however, have taken a different approach with their hand. It moves its fingers via shape-memory nickel-titanium alloy wires, bundled together to perform intricate tasks by working like natural muscle fibers.Read More

Electronics

PrintDisplay: DIY displays and touchscreens anyone can print

For years now, we've been promised miraculous new flexible touchscreen displays, but the deployment of such technology in big consumer products, like say the LG G Flex, hasn't started any revolutions just yet. That could soon change thanks to a team of computer scientists from Germany's Saarland University who have developed a technique that could allow anyone to literally print their own custom touchscreen displays. Read More

Smartwatches

iSkin stickers could be used to control mobile devices

While a wrist-worn smartwatch may be easier to access than a smartphone that has to be retrieved from a pocket, the things certainly have tiny screens. That could make them rather difficult to use for certain tasks, particularly ones where a larger interface area is needed. Well, that's where iSkin comes in. The experimental system allows users to control mobile devices using flexible, stretchable stickers that adhere to their skin. Read More

Science

System scrolls text in time with user's reading speed

It may indeed be a First World problem, but using a mouse or arrow key to scroll through blocks of computer text is a bit of a hassle – particularly for people lacking the use of their ams. That's why scientists from Germany's Saarland University and the German Research Center for Artificial Intelligence have developed a sort of teleprompter-like system, which automatically scrolls text at the rate that it's being read. Read More

Wearables

Google Glass-based system could boost user security at ATMs

While many of us worry about the ways in which Google Glass could be used to infringe on peoples' privacy, scientists at Saarland University in Germany have instead developed a process in which the high-tech eyewear could ensure privacy. More specifically, it would keep shady characters from obtaining your PIN while you used an automated teller.Read More

Bicycles

Scientists develop wireless braking for bicycles

Given that wireless gear-shifting for bicycles has been around for the past few years, perhaps it shouldn’t come as a surprise that someone has now developed a wireless braking system. Created by computer scientists at Germany’s Saarland University, the current prototype still looks a little boxy, but it does do away with cables and brake levers. According to computer algorithms that would normally be used in control systems for aircraft or chemical factories, the system should offer 99.999999999997 percent reliability – that means it would fail three times out of a trillion braking attempts.Read More

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