The Physics Behind Diving - Decompression Illness
This article follows on from "The Hidden Effects of Nitrogen" Decompression illness, or DCI, is a general term covering two…
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The Physics Behind Diving - Nitrogen Narcosis
Nitrogen narcosis is another effect of breathing compressed gas at depth. As we descend, the pressure of the nitrogen we…
How To use Dive Tables
At first glance, a dive table can seem rather complicated, with rows, columns, letters and numbers that are not immediately…
The Physics Behind Diving - Working Out How Much Gas We Need
I take having enough gas very seriously when planning a dive. I never start a dive simply because my cylinder…
The Physics Behind Diving - How We See Beneath the Surface
The way we see the underwater world changes almost as soon as we start descending. I remember the first time…
Scuba Equipment - The Mask and Snorkel
Choosing the right mask The mask is one of the pieces of equipment I pay most attention to. If it…
Scuba Equipment - Fins
Fins are what turn our legs into an efficient means of propulsion underwater. We can swim without them, of course,…
