Betty Lise Anderson wasn't looking for the Holy Grail of optical interconnections, but she thinks she may have helped find it. The associate professor of electrical engineering at Ohio State University (OSU) worked with Professor Emeritus Stuart A. Collins Jr. in the ElectroScience Laboratory developing an optical true-time delay for phased-array radar. And then one day, the idea for the optical interconnect hit them. "We reasoned that with a few modifications the device could help eliminate data-transfer bottlenecks," says Anderson. She says the new device transfers data faster than other devices, in electronic hubs that transfer light pulses to electrical signals and then back into light pulses, when downloading information over the Internet. The interconnect uses mirrors for reflecting the light, instead of transferring the light into electrons and then back into light again. "We joked that if we could find a way to make this work, we could rule the universe," says Anderson. The new patented device is a silicon computer chip covered with hundreds of thousands of tiny mirrors. Each mirror measures only a few tens of millionths of a meter across. The mirrors catch individual beams of light from fiber optic cable and reflect them to their destination, bypassing the traditional electronics that slow optic transmission. Andersen explains that the OSU design is tolerant of vibrations and has a built-in redundancy. "If one micromirror fails, another will take its place," she says. The OptiConnect Company is developing and will eventually commercialize the technology. For more information, call (614) 675-4100 or go to www.osu.edu.
Sharon Glotzer and David Pine are hoping to create the first liquid hard drive with liquid nanoparticles that can store 1TB per teaspoon. They aren't the first to find potential data stores, as Harvard researchers have stored 700 TB inside a gram of DNA.
If you see a hitchhiker along the road in Canada this summer, it may not be human. That’s because a robot is thumbing its way across our neighbor to the north as part of a collaborative research project by several Canadian universities.
SpaceX has 3D printed and successfully hot-fired a SuperDraco engine chamber made of Inconel, a high-performance superalloy, using direct metal laser sintering (DMLS). The company's first 3D-printed rocket engine part, a main oxidizer valve body for the Falcon 9 rocket, launched in January and is now qualified on all Falcon 9 flights.
Stanford University researchers have found a way to realize what’s been called the “Holy Grail” of battery-design research -- designing a pure lithium anode for lithium-based batteries. The design has great potential to provide unprecedented efficiency and performance in lithium-based batteries that could substantially drive down the cost of electric vehicles and solve the charging problems associated with smartphones.
UK researchers have come up with a method for machining aerospace-grade, carbon fiber-reinforced composites, along with high-strength aerospace alloys, using an ultrasonically assisted machining device. It also works on high-strength aerospace alloys.
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