Dive Science

Water bends light, swallows colour and carries sound too fast to place. Most of what feels strange underwater is just physics doing what it always does, and knowing why makes you a calmer diver. Start with the altitude article if you dive from Johannesburg — it changes your tables.

Filter:refraction

August 25, 2026
5 min read

Why Everything Looks Bigger and Closer Underwater

Everything really does look about a third bigger and a quarter closer underwater. Here's the physics behind the illusion, and why it flips at longer range.