The claim. Flex Seal "stops leaks fast and is the easy way to coat, seal and protect almost anything," the manufacturer says. In a promo video, pitchman Phil Swift applies Flex Seal to a screen ...

Flex, for example, is owned by the Chinese company Chervon (not to be confused with oil giant Chevron), which also owns the well-liked Ego and Skil brands. Chervon acquired Flex in 2013 ...

An electromagnetic coil gun takes a line of electromagnets ... It can move over the magnet in a loop, or flex in the air above it. It’s a novel moving part, and he’s treated us to a video ...