SAN FRANCISCO — Art Schallock, a left-handed pitcher who in 1951 replaced future Hall of Famer Mickey Mantle on the Yankees' roster and had been the oldest living former major leaguer, has died ...

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In this study, a continuous-wave laser was coupled into two chip-based integrated silicon nitride microresonators to drive two dissipative Kerr soliton optical frequency combs. Their repetition rates, ...

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