Croizon's specially designed leg protheses, which end in flippers, allow him to propel himself through the water. His truncated upper arms go through the motions of the crawl, and he breathes through a snorkel."Quadruple amputee swims across English Channel"
The swimmer lost his arms and legs after suffering an electric shock in 1994 as he stood on a ladder adjusting his television antenna, which touched a power line.
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.