A team of researchers led by Margaret Murnane and Henry Kapteyn at the University of Colorado developed a sharply focused, ultraviolet or extreme-ultraviolet (EUV) light source that can be used to measure and manipulate objects at the nano-scale. Size has been a major hurdle to developing, or even seeing, the tiny components because the objects can be smaller than the waves of light illuminating them. EUV light, which has a wavelength of only tens of nanometers, can pulse in shorter bursts than any other system currently available. To create this short-wavelength light, Kapteyn and associates use a laser at visible wavelengths, and then convert the light to much shorter wavelengths using high harmonic generation (HHG)–combining photons to generate much higher-energy photons with a correspondingly shorter wavelength. Kapteyn expects the light source to be used for developing and testing EUV lithography equipment. For more information, contact: Josh Chamot from the National Science Foundation at jchamot@ nsf.gov or phone, (703) 292-8070.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicle’s parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but that’s just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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