But still much about the deep sea remains uncertain ... Halley patented a diving bell with a pipe which guided air to the diver. Then, in 1827, the first functioning diving suit was invented.

including completing the 2002 London Marathon in the deep-sea diving suit. His pace meant he had to camp overnight with each ascent taking place over two days. He has been consuming in excess of ...

including completing the 2002 London Marathon in the deep-sea diving suit. The former professional goalkeeper and firefighter can only see a few feet in front of each step as his helmet prevents ...