Slow waves meander westward out in the deep ocean south of Australia. Sometimes they carry with them carry large eddies, whirlpools over 100 miles across. But every so often, these whirlpools combine ...
Whirlpools are formed by the combination of strong currents, narrow channels, and rapidly changing underwater topography. Dangerous whirlpools are rare and require currents of 10 knots or more. Small, ...