Science

1:36pm

Tue August 21, 2012

10:05am

Tue August 21, 2012
13.7: Cosmos And Culture

The City As Engine: Energy, Entropy And The Triumph Of Disorder

Originally published on Tue August 21, 2012 5:36 pm

Adam Frank stands atop of the Wilder Building in Rochester, N.Y.
Carlet Cleare WXXI

Cities may be the defining element of human civilization.

The path from hunter-gatherers in the Paleolithic era 25,000 years ago to the high-tech, high-wonder jumble we inhabit today runs straight through cities. In traveling that path, our construction of cities has always been a dance with physics. In some cases, that physics was explicitly understood; in others, its manifestation was only recognized in hindsight.

As our cities have become more complex the physics embodying their behavior and organization has also become more nuanced, subtle and profound.

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12:51pm

Mon August 20, 2012
The Two-Way

What A Blast! Curiosity Tests Its Laser; Zaps Rock 30 Times

Originally published on Mon August 20, 2012 1:50 pm

From NASA: A composite image, with "magnified insets," depicting the first laser test by Curiosity.
NASA

5:05am

Mon August 20, 2012

3:39pm

Fri August 17, 2012
Reporter's Notebook

"It's A Heck Of A Big Leap For Me." Bruce McCandless, Astronaut

Bruce McCandless and the iconic photo known around the world
NASA
  • Nathan Heffel reports from Lockheed Martin on All Things Considered

Astronaut Bruce McCandless has been involved with the U.S. Space Program for decades. He worked in ground control during Neil Armstrong’s first step on the moon in 1969. In 1984, he became the first man to spacewalk untethered in an MMU, or Manned Maneuvering Unit.

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