The metal detector; pacemaker; 3-D printer; Gatling Gun.
Original Air Date: Jul 19, 2015Smithsonian Channel46m
Watch My Million Dollar Invention with Fubo
- 100+ channels of live sports & TV
- Unlimited Cloud DVR
- Stream on up to 10 screens at once
- No contract, no commitment
Starting at $79.99/mo
Additional taxes, fees and regional restrictions may apply