New Scientist on MSN28 天
Bizarre test shows light can actually cast its own shadow
With the help of a ruby cube and two laser beams, researchers made one ray of light cast a shadow when illuminated by the ...
Nature2 年
Laser tech that could cut into manufacturing emissions
The annual global market for laser equipment ... “As a light source for LiDAR, we expect to see PCSELs used to quickly measure terrain for smart cars, smart farm equipment and smart construction ...