Concrete's Role As A Building Block In History | WAMU 88.5 - American University Radio

Concrete's Role As A Building Block In History

In his book Concrete Planet, author Robert Courland discusses why the concrete first used by the Romans is more durable than the concrete used in most present day buildings. Plus, mineralogist Peter Stemmerman tells us about his invention, Celitement and why it is greener than Portland cement.
NPR

'Little House,' Big Demand: Never Underestimate Laura Ingalls Wilder

Wilder's memoir reveals that she witnessed more violence than you'd ever know from her children's books. The South Dakota State Historical Society can barely keep up with demand for the autobiography.
NPR

Coffee Horror: Parody Pokes At Environmental Absurdity Of K-Cups

The market for single-serving coffee pods is dominated by Keurig's K-Cups. But they aren't recyclable, and critics say that's making a monster of an environmental mess. Meet the K-Cup Godzilla.
NPR

Obama's Budget Would Undo Broad Cuts Made In 2013

The across-the-board spending cuts made in 2013, known as the sequester, reduced defense and domestic budgets by hundreds of millions each. Republicans are expected to fiercely defend that plan.
NPR

Charles Townes, Laser Inventor, Black Hole Discoverer, Dies At 99

Physicist Charles Townes died Tuesday. He was a key inventor of the laser and won the Nobel Prize for his discovery in 1964. But his career didn't end there.

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