The aging of Aquarius

The recent Broadway revival of the ‘60s musical “Hair,” along with my increasingly barren pate, prompts reflection on our contemporary obsession with matters hirsute. Americans spend billions of dollars each year to increase hair, and billions yet again on products to decrease it. We style it, shave… Read the rest

Wall Street’s Dow of physics

When water becomes hot and agitated enough, it becomes a gas. When solid iron is heated to 2,800 degrees, it becomes a liquid. These are examples of what physicists call a phase transition or shift, a radical restructuring of matter from one form into another.

While the actual transformation can be sudden,… Read the rest