Minneapolis-based Optical Sensors Inc. (OTC Bulletin Board:OPTL) announced Monday that its common stock began trading on a reverse-split basis of one-for-six. Also effective was its new ticker ...

Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water. Share: Facebook Twitter Pinterest LinkedIN Email.

Slingshot’s global network of sensors will dramatically improve observation frequency – accelerating revisit rates and providing more persistent optical tracking of the more than 6,500 active ...