12818418
submission
separsons writes:
Researchers are altering foods at the nanoscale level, changing their tiny molecular structures to enhance certain properties. For example, one group of scientists found a way to hide water within individual droplets of oil, making low-fat mayonnaise taste like the real thing. The process can make spices spicier, potato chips healthier, and make diet food taste just like full-calorie snacks. Nanotech can even help combat global malnutrition. But the process is certainly controversial, and food manufacturers are being tight-lipped about exactly what nanofoods they're working on. So can nanotech create a healthier world, or is it just frightening Franken-food?
12355684
submission
separsons writes:
Researchers at Duke University recently used DNA to craft tiny chips used in computers and electronic circuits. By mixing DNA snippets with other molecules and exposing them to light, researchers created self-assembling, DNA-based logic circuits. Once perfected the tech could serve as an endlessly abundant, cheap alternative to silicon semiconductors. Chris Dwyer, lead researcher on the project, says that one grad student using DNA to make self-assembling circuits could produce more logic circuits in one day than the global silicon chip industry can create in an entire month!
12188368
submission
separsons writes:
Researchers at the Lawrence Livermore National Laboratory recently unveiled a three-inch-long bio-detector than can scan for 3,000 different types of viruses and bacteria in just 24 hours. The device, dubbed the Lawrence Livermore Microbial Detection Array (LLMDA), boasts significant advantages over traditional bio-detectors, which can only identify a maximum of 50 pathogens. The three-inch-long glass slide is packed with 388,000 probes that can detect more than 2,000 viruses and 900 bacteria. The device may have huge implications in identifying agents released during biological and chemical attacks. Plus, in more everyday uses, LLMDA can ensure food, drug and vaccine safety and help diagnose medical problems. Scientists' next version of LLMDA is even more impressive: A new bio-detector will be lined with 2.1 million probes that can scan for 5,700 viruses and thousands of bacteria as well as fungi and protozoa.
12113414
submission
separsons writes:
Telekom Austria, a telecommunications company, aims to convert obsolete public phone booths into electric vehicle recharging stations. The company unveiled its first station yesterday in Vienna and hopes to create 29 more stations by the end of the year. The stations may not be super popular now, but they should be soon: Austria's motor vehicle association says the country will likely have 405,000 electric vehicles on the road by the year 2020.
11958194
submission
separsons writes:
Researchers at Wake Forest's Center for Nanotechnology and Molecular Materials created a low-cost solar power system geared towards developing nations. By coating fiber-based solar cells with dye from purple pokeberries, a common weed, scientists created a cheap yet highly efficient solar system. Wake Forest researchers and their accompanying company, FiberCell Inc., are the first company to file a patent for fiber-based solar. Plastic sheets are stamped with plastic fibers, creating millions of tiny "cans" that can trap light until it is absorbed. The fibers create a huge surface area, meaning sunlight can be collected at any angle from the time the sun rises until it sets. Coating the system with pokeberry dye creates even greater absorption. Researchers say the system can produce twice as much power as traditional flat-cell technology.
11886420
submission
separsons writes:
On May 18th, Japan's Aerospace Exploration Agency (JAXA) will launch Ikaros, a fuel-free spacecraft that relies completely on solar power. The spacecraft's 46-foot-wide sails are thinner than a human hair and lined with thin-film solar panels. After a rocket brings the craft to space, mission controllers on the ground will steer Ikaros by adjusting the sails' angles, ensuring optimal radiation is hitting the solar cells. If the mission proves successful, the $16-million-dollar spacecraft will be the first solar sail-powered craft to enter deep space.
11567222
submission
separsons writes:
William Taylor, a farmer in Northern Ireland, recently developed the Livestock Power Mill, a treadmill for cows. Taylor uses the device to generate clean, renewable power for his farm. Cows are locked into a pen on top of a non-powered, inclined belt. The cows' walking turns the belt, which spins a gearbox to drive a generator. One cow can produce about two kilowatts of electricity, enough energy to power four milking machines. It may seem like a kooky idea, but Taylor could be onto something: According to his calculations, if the world's 1.3 billion cattle used treadmills for eight hours a day, they could provide six percent of the world's power!
11310466
submission
separsons writes:
Scientists at the University of South Carolina recently transformed ordinary tee-shirts into bullet-proof armor. By splicing cotton with boron, the third hardest material on the planet, scientists created a shirt that was super elastic but also strong enough to deflect bullets. Xiaodong Li, lead researcher on the project, says the same tech may eventually be used to create lightweight, fuel-efficient cars and aircrafts.
11281396
submission
separsons writes:
A team of scientists recently created world's first underwater robotic vehicle powered entirely by renewable, ocean thermal energy. Researchers from NASA, Scripps Institution of Oceanography and the US Navy developed Sounding Oceanographic Lagrangrian Observer Thermal RECharging (SOLO-TREC), an autonomous robot that runs on a thermal recharging engine. The engine derives power from the natural temperature differences found at varying ocean depths. SOLO-TREC produces about 1.7 watts of energy each dive, enough to juice the robot's science instruments, GPS receiver, communication device and bouyancy control pump. SOLO-TREC is poised to revolutionize ocean monitoring: Previous robots could only spend a limited amount of time underwater because of depleting power sources. SOLO-TREC can stay beneath the surface of the waves for indefinite amounts of time. Based on SOLO-TREC's success, NASA and the US Navy plan to incorporate thermal recharging engines in next-generation submersibles.
11257240
story
ByronScott writes
"Could the next solar panels be in the shapes of origami cranes? They could be if MIT power engineering professor Jeffrey Grossman has his say. Standard flat solar panels are only optimized to capture sunlight at one point of the sun's trajectory — otherwise they need automated tracking systems to follow the sun. But Grossman found that folded solar cell systems could produce constant power throughout the day sans tracking and his new designs are up to two and a half times more efficient per comparative length and width than traditional flat arrays."
11190074
submission
separsons writes:
The largest sodium sulfur battery in America, nicknamed "BOB," can provide enough electricity to power all of Presidio, Texas. Until now, the small town relied on a single, 60-year-old transmission line to connect it to the grid, so the community frequently experienced power outages. BOB, or "Big-Old Battery," began charging earlier this week. The house-sized battery can hold four megawatts of power for up to eight hours. Utilities are looking into similar-sized batteries to store power from solar and wind so that renewables can come online before the country implements a smart grid system.
10743234
submission
separsons writes:
Researchers at Japan's Tohoku University designed a new shape memory metal alloy. The super elastic iron alloy can endure serious stretching and still return to its original shape. The scientists say that once optimized, the material could be used in everything from braces to medical stents to earthquake-proof buildings!
10706680
submission
separsons writes:
A group of French scientists are developing a nuclear reactor that burns up actinides, highly radioactive uranium isotopes. And they're not the only ones trying to eliminate atomic waste: Researchers at the University of Texas in Austin are working on a fusion-fission reactor. The reactor destroys waste by firing streams of neutrons at it, reducing atomic waste by up to 99 percent!
