资讯

Live Science on MSN1 天
DARPA smashes wireless power record, beaming energy more than 5 miles away — and uses it ...
The U.S. military has set a new record for wireless power transmission, beaming a laser carrying more than 800 watts of power ...
The New York Times5 天
The Best Tape Measure
We’re also looking at a number of laser distance measurers ... the best one is the classic 25-foot Stanley PowerLock Tape Measure. It’s our pick after 50 hours of research and three annual ...
Tiny laser revolutionizes precision measurement and self-driving technology
Scientists from the University of Rochester and UC Santa Barbara have built a laser so small it can sit on a penny. But don’t ...
Control Engineering Europe6 天
Compact laser sensor with IO-Link measures distances of up to 60m
Micro-Epsilon has extended its non-contact laser distance sensor portfolio with a robust unit that can measure distances up ...