U.S. Commerce Dept. on Twitter: "Researchers @NIST have designed a method that uses a high-intensity laser to blast microscale projectiles into a small sample at velocities that approach the speed of sound.
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James Berquist of the US National Institute of Standards and Technology ( NIST) studying a dye laser used in the NIST-7 atomic clock. The dye laser is Stock Photo - Alamy
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