Salmon Cannon
- Episode aired Jan 24, 2015
- 21m
Host Mo Rocca shows us the invention that shoots spawning salmon over man/made obstructions as they swim upstream; we visit the Noah Webster Home, where the first American dictionary was wri... Read allHost Mo Rocca shows us the invention that shoots spawning salmon over man/made obstructions as they swim upstream; we visit the Noah Webster Home, where the first American dictionary was written; and we meet the inventor of a soccer ball that generates plug/in power.Host Mo Rocca shows us the invention that shoots spawning salmon over man/made obstructions as they swim upstream; we visit the Noah Webster Home, where the first American dictionary was written; and we meet the inventor of a soccer ball that generates plug/in power.