Established in 2000, Yangzhou Huasheng Optical Instrument Factory specializes in producing portable laser levels, optical lenses, prisms, optical coating filter, glass plate, protection window, door ...

Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman spectroscopy and ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

The Sun has captivated humanity for millennia. And yet, despite being our closest star, studying it is not easy. Its blinding ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Dr. Melody Bell is a personal finance expert, entrepreneur, educator, and researcher. Melody now develops ...

Explore This SectionEarthEarth ObserverEditor's CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn ...

Dress your Elf (and maybe a few stuffed friends) in pajamas, set up a tiny bedtime scene, and leave a sweet note saying goodbye until next Christmas. It's a simple, comforting way to wrap up the ...