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JCE ChemEd Xchange provides a place for sharing information and opinions. Currently, articles, blogs and reading lists from ChemEd X contributors are listed below. We plan to include other items that the community wishes to share through their contributions to ChemEd X.

Hal Harris's picture

Critical Mass: How One Thing Leads to Another

Sun, 01/01/2006 - 00:00 -- Hal Harris

Why is society organized the way it is? Is it possible to use some of the laws of the physical universe to understand why and how national economies, stock and commodity markets, companies and clubs organize the way they do? Can physics provides "laws" of human nature that are as useful and universal as those of mechanics?

Hal Harris's picture

Elegant Solutions: Ten Beautiful Experiments in Chemistry

Tue, 11/01/2005 - 00:00 -- Hal Harris

Choose ten exemplary chemistry experiments. The synthesis of nylon? Bakelite, the first man-made polymer? The structure of DNA? The fixing of nitrogen? The discovery of buckyballs? Sorry, but none of those made the list of veteran science writer Philip Ball. Mr. Ball was looking for something other than mere importance.

Hal Harris's picture

The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, and More Ancient Artillery

Mon, 08/01/2005 - 01:00 -- Hal Harris

Gurstelle also wrote "Building Bots: Designing and Building Warrior Robots", but I haven't read that one. "Catapult" is definitely in the spirit of "build it yourself", that I like to encourage here and also in "The Cost-Effective Teacher" feature in the print Journal.

Hal Harris's picture

The Fly in the Ointment: 70 Fascinating Commentaries on the Science of Everyday Life

Wed, 06/01/2005 - 01:00 -- Hal Harris

Joe Schwarcz has done it again. This host of a science call-in show in Montreal and Toronto has put together another collection of his commentaries on the science of everyday life. All four of his previous books have been "Hal's Picks", and you can find all of them in the Index. As usual, most of the science is chemistry.

Hal Harris's picture

The Climate of Man - I, II, and III

Mon, 05/02/2005 - 02:00 -- Hal Harris

It was not that many years ago that one could reasonably defer judgement about global warming. But the evidence that our planet's climate is changing at a pace that can only presage disaster is becoming so compelling that only the US executive branch can't see it. Even the Bush administration now acknowledges that there may be a problem, but not one that would require significant action.

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