In their post, the OP—who also holds a private pilot's license—explained that they had been seated in the exit row when a flight attendant suddenly leaned over them, shining a flashlight out ...

CU Boulder chemist Niels Damrauer and his research colleagues use visible light to break environmentally persistent carbon-fluorine bonds in PFAS The strength of the bond between carbon and fluorine ...

The new light is powered by a 3,500mAh Streamlight SL-B34® lithium-ion battery pack, which can be charged inside or outside of the flashlight. A push-button tail cap switch allows for momentary ...