Boulder

3:28pm

Thu August 22, 2013
Science

The World's Most Precise Clock Could Prove Einstein Wrong

Originally published on Thu August 22, 2013 5:00 pm

This may look like a mad scientist's garage sale, but it's actually the most precise clock ever built.
Jim Burrus NIST

What a makes a good clock? Andrew Ludlow, a physicist at the National Institute of Standards and Technology, says one of the most important criteria is stability.

"If you could imagine a grandfather clock and see the pendulum swinging back and forth, ideally that pendulum would swing back and forth very uniformly," Ludlow says. "Each swing would take exactly the same amount of time."

That's stability. But what if something perturbs the system, like a mischievous toddler?

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12:46pm

Wed August 21, 2013
Education

New Dorms And Perks Greet CU And CSU Students

CSU students move into the residence halls.
courtesy of Colorado State University

4:40pm

Mon August 19, 2013

4:30am

Mon August 19, 2013

5:30am

Thu July 18, 2013
Business Report

Repeal Of Depression-Era Ban Could Benefit Colorado Businesses

Emmanuel Huybrechts Creative Commons/Flickr

The news that federal regulators have repealed an 80-year ban on advertising of private stock offerings has gotten a lot of attention in Boulder business circles this week.

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