The Nautilus has regulators and pressure gauges from an old restaurant soda fountain that Beckerman found behind a shopping center.
CNN: High-school teen builds one-man submarine for $2,000
2.
The opinions expressed in this commentary are solely those of Michael Beckerman.
CNN: Give more visas to foreign-born workers
3.
When he was younger, Beckerman began by making things out of balloons and string, but as the years went by his inventions grew in scale and complexity.
CNN: High-school teen builds one-man submarine for $2,000