Persevere. That's what I always say to people. There's no easy route.
I was working on a heat pump that used water as a working fluid, and I made some jet pumps for it. I accidentally shot a stream of water across a bathroom where I was doing the experiment and thought to myself, 'this would make a great gun.'
I would say that engineering has been a very positive experience overall, but usually coming into the situation it would be one of being underestimated. People would actually have low expectations. But I would take advantage of it quite honestly, because I would take my time to underestimate the situation.
Being an independent inventor is tough. You develop a product, patent it, then you're looking for someone who will see the benefit from this technology. You assume all the investment and all the risk. It can be a challenge.
After I graduated from Tuskegee with a masters in nuclear engineering, the draft was on so I signed up for ROTC. I figured if I had to go into the military, I'd rather go in as an officer.
The invention that most people know me for is the Super Soaker water gun. I knew the gun worked well, and I knew it would be successful. I did not realize how successful it would be.
I received a bachelor's degree in mechanical engineering, then graduated with a masters in nuclear engineering.
In 1968 when I was in high school I built a four-foot-tall remote control robot with pneumatic cylinders that operated his hands. My robot won first place at a science competition at the University of Alabama where my high school was the only African-American school represented. That was a huge moral victory.
I am a nuclear engineer. I'm working on advanced energy technology. I have a new type of the engine that converts heat into electricity, and I've also developed a new type of battery that's all ceramic, without liquid electrolyte.
In 1975, I was called to active duty in the Air Force, studying U.S. space launches that used nuclear power. I felt it was a big deal to be involved in such an important project - we were providing technical support for launch recommendations that ultimately went to the president.
I wound up getting offered a job at the NASA Jet Propulsion Laboratory where I invented a power supply mechanism for the Galileo space craft which was in orbit around Jupiter until 2003.
I got my first patent in 1979 before I left the Air Force. I called it the Digital Distance Measuring Instrument. It used ones and zeros and dots and dashes and a magnifying lens to read binary-encoded information from a scale that was photographically reduced. It used the same kind of technology that's used in CDs and DVDs.
There are maybe three inventions I have that I rank as my top inventions that I'm most proud of. The robot I built in high school, the memory-protected circuitry for the Galileo and the Super Soaker.