This laser target suitable for alignment, laser level, rotating laser, cross laser, laser measurement and all beam laser levels. Laser level objective board can be used in conjunction with lots of ...

A local laser-trimming process with a ~1.1-W blue laser is further applied and can introduce a maximal wavelength shift of ~0.46 nm for the resonance alignment. This letter combines the present ...

Twelve years ago, NASA landed its six-wheeled science lab using a daring new technology that lowers the rover using a robotic jetpack. NASA’s Curiosity rover mission is celebrating a dozen years on ...