Motors and gear trains with micrometer dimensions and powered by light are fabricated using semiconductor lithography and ...
Noiseassociated with gear trains has been a common problem for gear designers for along time. With the demands for smaller gearboxes transmitting more power athigher rpm, coupled with incumbent ...
OAKLAND, Calif. (KGO) -- BART recovered from a major delay due to an equipment problem on one of its trains at Oakland's MacArthur station on Monday. There were reports of a possible fire on a train ...
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