Student Inventor's Laser Tool Helps Preserve Shellfish

A New Zealand teenager creates a way for divers to gather only shells that are of legal size, without having to touch, and possibly harm, the undersized ones.

Published On 11/03/2016
5:03 PM EDT
Diving for paua meat is part of Kiwi culture, says a young inventor who hopes to preserve their numbers. Credit: Thinkstock