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Diving Unlimited & Underwater Educational Services |
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Science-fiction author Jules Verne's book 20,000 Leagues Under the Sea, written in 1873, made more than 10 successful predictions including: · Self-propelled submarines capable of diving and maneuvering underwater. · Submarine warfare, rendering surface ships helpless against hidden attack. · Wetsuits enabling divers to work on the ocean floor. · Underwater aqualungs capable of sustaining life for hours at a stretch. |