Scuba is an aqualung, an apparatus containing compressed air that allows a diver to breathe underwater. Scuba may be used as a noun or an adjective. The first underwater oxygen rebreather produced in quantity was the Davis Submerged Escape Apparatus, invented by Sir Robert Davis in 1910. Scuba is a word that was originally an acronym, SCUBA, which stands for Self-Contained Underwater Breathing Apparatus, it was used to refer to the rebreathers used by American combat frogmen during World War II. Jacques Cousteau added the Émile Gagnan demand regulator to the rebreather, which increased diving time, revolutionizing scuba diving and ocean exploration.
Examples
A scuba diver, equipped with an underwater camera, recorded footage of a giant squid as it hung around Japan’s Toyoma Bay on Christmas Eve. (California Diver Magazine)
Has Christmas come early for this shark? ‘Scuba Santa’ appears at an aquarium’s daily feeding time – and hopes he doesn’t end up as lunch (The Daily Mail)
Santa Claus is scuba diving this week to show his love of fish during an annual Scuba Santa event at the Texas State Aquarium. (The Corpus Christi Caller Times)
While appearing on Live with Kelly and Michael on Friday, the 44-year-old actor revealed that while on his lavish honeymoon getaway to Bora Bora with Jennifer Aniston, he almost died while scuba-diving. (People Magazine)
The 33-year-old scuba enthusiast was vacationing in the protected marine reserve off Brazil’s north-eastern coast when the shark attacked him on Monday during a diving excursion. (The Guardian)
Along the Strip at Mandalay Bay, Santa will add scuba gear to his usual attire for appearances inside Shark Reef’s Shipwreck tank each day at 4 p.m. from Dec. 19 to Dec. 24. (The Los Angeles Times)