NPR logo

Science of an Explosion

  • Download
  • <iframe src="https://www.npr.org/player/embed/6225732/6225733" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Science of an Explosion

World

Science of an Explosion

Science of an Explosion

  • Download
  • <iframe src="https://www.npr.org/player/embed/6225732/6225733" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

North Korea claims to have joined the nuclear club with an underground test Sunday night. Intelligence agencies say they detected a large explosion, but questions remain. How can you tell is an explosion was nuclear, how do you measure an underground detonation, and what do the numbers tell us?

Guest:

Robert Norris, senior research associate at the Natural Resources Defense Council in Washington, D.C.