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Highlights from the Blogosphere

"Underground Rivers Frozen in Place"
A little-known fact about the construction of the Large Hadron Collider.

Cosmic Variance
Revisiting Einstein's challenge: is the moon still there when we're not looking at it?

A preview of Fermat's Room, a Spanish thriller screened at the recent Imagine Science Film Festival in New York City.

Shores of the Dirac Sea
It all comes down to deformation and air pressure.

The Loom
If you're in New Jersey on November 5th, check out the re-enactment of an experiment to prove an hypothesis conducted by Washington and Thomas Paine.

Built on Facts
The rotational motion of a flywheel.

Secret Technology
#2: Hazardous waste disposal... with catapults!

Scientific American
Four physicists qualify for this dubious honor.

Stephanie ponders the issue of gender bias in science.

Uncertain Principles
Some practical advice for job-seeking physicists.


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Ask a Physicist: Phone Flash Sharpie Shock!

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The Science of Ice Cream: Part One

Even though it's been a warm couple of months already, it's officially summer. A delicious, science-filled way to beat the heat? Making homemade ice cream. (We've since updated this article to include the science behind vegan ice cream. To learn more about ice cream science, check out The Science of Ice Cream, Redux ) Image Credit: St0rmz via Flickr Over at Physics@Home there's an easy recipe for homemade ice cream. But what kind of milk should you use to make ice cream? And do you really need to chill the ice cream base before making it? Why do ice cream recipes always call for salt on ice?