Cast: Lloyd Sherr

Direction Bruce Nash

Cast Lloyd Sherr

Plot Bullet trains are the fastest, safest, and most technologically advanced trains on the planet. This episode features their history, development, milestones, and promising future From all around the world.

Cast William Lawrence Bragg · Percy Bridgeman · Francis P. Bundy · Chuck Fipke

Plot Half a mile below the earth's surface, men mine for rough diamonds--a pure carbon substance. Brilliant when cut and polished, they are marketed as the most precious gem in the...