99% Invisible - Airships and The Future The Never Was

• What is the difference between a blimp and an airship?

• What is the key challenge when designing an airship?

• Why did the airships of the 1920s use hydrogen instead of helium?

• What is noteworthy about the Hindenburg airship?

• Why are airships not very commonly used today?

Cautionary Tales - The Deadly Airship Race

• Explain, using examples, at least three ways that the R101 crash could have been prevented. This response should show a clear listening of the podcast story.