Curious to explore the undersea world, Alexander the Great used a glass diving bell to submerge himself below the surface. The fish, it is said, “crowded around him in homage.” In 332 BCE, he ordered soldiers to submerge inside diving bells and destroy the enemy’s underwater defenses.
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Depth Blog
The most useful snippets from our authors, all in one place. DEPTH discusses topics of diving, equipment and environment, physics and physiology, technique and technology, and hyperbarics.
