Video Library

Martha Wetherholt explains how changes to NASA-STD-8719.13C bring NASA’s requirements for safety-critical software up-to-date with best practices in software safety design, analysis and development.

Gerry Schumann explains the four major changes to NPR 8621.1B for Mishap and Close Call Reporting, Investigating and Record-keeping and what they mean for you.

In this seminar, John McDermid, professor of software engineering at the University of York, discusses the concept of safety cases, the motivation for producing them, and some of the notations and approaches to representing them.

Technical Authorities in engineering, safety and mission assurance, and health and medical all play an important role in NASA's decision-making processes. Hear Administrator Charles Bolden deliver this month's Safety Message on the importance of Technical Authority.

Russ DeLoach, Kennedy Space Center, delivers the July Safety Message on fall prevention in construction.

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains what the Meteoroid Environments Office does, its responsibilities and the challenges that it faces.

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains how meteor shower forecasting works and how it helps protect astronauts and spacecrafts.

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains the background on the Chelyabinsk fireball that appeared over Russia in 2013 and how it demonstrated the danger of smaller meteorites.

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains how the Leonid meteor showers of 1998-2002 led to the development of meteor shower forecasting.

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke tells the story of an astronaut on the International Space Station who photographed the Lyrid meteors.