NPS Circuit Breaker-Zhang_1 (IMAGE) Naval Postgraduate School Caption Naval Postgraduate School Associate Professor Dr. Di Zhang led a team of NPS students to create and successfully test a circuit breaker that could support large electric platforms running on direct current electricity – a breakthrough in the future development of electric aircraft propulsion. Credit Javier Chagoya, Naval Postgraduate School Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.