Researchers study in unprecedented detail a new breed of catalysts that allow some chemical reactions, which normally require high heat, to proceed at room temperature.
Controlling the properties of ultrafast light pulses is essential for sending information through high-speed optical circuits and in probing atoms and molecules that vibrate thousands of trillions of times a second. Now NIST researchers and colleagues have developed a novel and compact method of sculpting light.
For three years, NIST scientists have been collecting the world's most accurate and comprehensive data on laser welding — a potentially faster and more energy-efficient alternative to conventional welding for some manufacturers. Their information is now helping to refine computer models of laser welding processes, which prepares the work for use by industry.
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