Season 38, Episode 4 Making Stuff: Cleaner

First Aired: February 2, 2011

Part 3 of 4 of "Making Stuff" examines the science and business of clean energy. Included: a scientist who uses chicken feathers to make hydrogen-powered cars safer; whether lithium batteries create a dependence on South America; whether scientists can create batteries that run on molten salts, which are found in abundance in the U.S. Also: bio-based fuels; solar energy.

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  • Premiered: March 3, 1974
  • Rating: None
  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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