For deep-diving mixed-gas divers, it's far worse. Routinely diving below 130 ft (40 m), the divers are always in pitch darkness, relying on work and helmet lights, and they are tethered to the surface ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Murky, turgid waters are about to become much easier for divers to ...

Divers have discovered a centuries-old military helmet in the Mediterranean Sea—and the artifact could shed light on a previously unknown shipwreck. The helmet was spotted by three divers in the ...

Tony Stark, eat your heart out. A futuristic new helmet designed by Navy engineers could allow divers to see and track everything from the above-water view of their location to diagrams to text ...