Why is it called scuba?
The word scuba is an acronym for Self-Contained Underwater Breathing Apparatus and was coined by Christian J. Lambertsen in a patent submitted in 1952. SCUBA (Self Contained Underwater Breathing Apparatus): Did you know ‘scuba’ itself is an acronym? Although it’s become the word we use to describe diving itself, the full meaning of ‘scuba’ is Self Contained Underwater Breathing Apparatus – a term coined back in 1952 by U. S. Major Christian J. Lambertsen.Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance.
How to stop ear pain when diving?
VALSALVA MANEUVER | Pinch Your Nose and Blow This is the method most divers learn: Pinch your nostrils (or close them against your mask skirt) and blow through your nose. The resulting overpressure in your throat usually forces air up your Eustachian tubes. Slow, deep breaths is key to conserving air,” says Kell Levendorf, dive accident investigator for Dive & Marine Consultants International. Pause for just a second after inhalation. Do not hold your breath, but pause; keep the throat open.