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Episode 46: Charging Up

The first cars didn’t run on gas—they ran on electricity. Over a century later, the high cost of fuel has finally forced automakers to take the possibility of battery-powered cars seriously. On today’s show we look at three kinds of batteries that have been proposed as transportation solutions. We start with nickel hydride batteries, the key component of contemporary hybrid cars like Toyota’s Prius. Next, we look at the technology behind hydrogen fuel-cell vehicles. Producer Devin Browne wraps up the show with an exclusive visit to GM’s battery lab in Warren, Michigan, for a close-up look at the future of lithium-ion battery cars. Element of the Week: Nickel.

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Show Clock

00:00 Opening Credits
00:31 Introduction
01:13 Element of the Week: Nickel
03:08 Mystery Solved! Hydrogen fuel-cell cars
06:38 GM’s lithium-ion battery lab
11:13 Closing Credits

Resources and References

We learned about the Electrovan from “An Electrovan, Not an Edsel,” The New York Times 17 November 2002.
For information on fuel cells, we relied on G. Hoogers, Fuel Cell Technology Handbook (Boca Raton: CRC Press, 2003).
You can learn more about electric car batteries from this online article.
For information on the development of the Chevrolet Volt, visit the company’s official home page.

Credits

Special thanks go to Chi Chan for researching the show.

Our theme music is composed by Dave Kaufman. Additional music from the PodSafe Music Network and the Internet Archive. Additional music is “Fire and Ice,” by Briareus, “Delorian,” by The Atomica Project, “Moving Picture,” by JayDenton, “Preschool 2040,” by Podcast Troubadour, “Pure Imagination,” from the Willy Wonka Soundtrack, “At Sundown,” by Artie Shaw, and “allmyfriendslistentoelectro,” by DJ Scratchin’.

This week’s image is a publicity shot of the Chevrolet Volt, by GM.

Episode 13: The Nanoscale

nanocrystalsYou’ve heard the hype—but what’s nanotechnology really all about? Today’s show is an investigation into the current reality and the future potential of nanotechnology. In an interview with CHF’s Chi Chan, Harvard University chemist George Whitesides explains how nanofabrication works, what it has to do with chemistry, and what new developments we should expect to see in the next five years. In our Mystery Solved! segment, Jennifer Dionisio uncovers the tiny secret behind the legendary sharpness of Damascus steel. The Element of the Week: Carbon.

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Show Clock

00:00     Opening Credits
00:31     Introduction
01:32     Element of the Week: Carbon
03:08     Conversation with George Whitesides
07:51     Mystery Solved! Damascus Steel
10:49     Quote: Richard Smalley
11:08     Closing Credits

Resources and References

Nano basics: National Nanotechnology Initiative.
For more on nanoresearch at Harvard: The Center for Nanoscale Systems.
On Damascus steel: Reibold, M., A. A. Levin, W. Kochmann, N. Pätzke, and D. C. Meyer, “Materials: Carbon Nanotubes in an Ancient Damascus Sabre,” Nature 444 (2006): 286. 
And just for fun, an odd nanoachievement: The darkest thing ever made.

Credits

Special thanks to Chi Chan for researching the show.

Our theme music is composed by Dave Kaufman. Additional music was provided from the Podsafe Music Network. The music for the transition out of the Element of the Week is Sand Swallows Earth, by Spring Clock Wonder. We used Ozone Chamber (Chemical Mix), by Fledglyng, under the show ID. The music at the beginning of Mystery Solved is Keblah—Architectural Mix, by Riad Abdel-Gawad. The music for the quotation is La Circiuma de la Drum, by Romashka.

This week’s image of nanocrystals is copyright Felice Frankel. You can see more like it in her book, written with George Whitesides, On the Surface of Things: Images of the Extraordinary in Science (Harvard University Press, 2008). (Purchase on amazon.com.)