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Posts Tagged "cosmic rays"

Critical Opalescence

How to Build Your Own Quantum Entanglement Experiment, Part 1 (of 2)

Geiger counter

Quantum entanglement experiments are not something you can buy in the science kit aisle at Toys ’R Us. The cheapest kit I know of is a marvel of miniaturization, but still costs 20,000 euros. In the past month, though, I’ve put together a crude version for just a few hundred dollars. It’s unbelievably simple—so simple [...]

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Neutrinos on Ice: Detection Balloon Heads to Antarctica

An artist's depiction of a cosmic ray air shower. Credit: Simon Swordy (U. Chicago), NASA.

Editor’s Note: Welcome to ANITA, the ANtarctic Impulsive Transient Antenna! In late October, the ANITA collaboration is traveling to Antarctica to build and launch ANITA III, a scientific balloon that uses the entire continent of Antarctica for neutrino and cosmic ray detection. This is the first installment in a series, “Neutrinos on Ice,” documenting that effort. Right now, somewhere [...]

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Guest Blog

Paris: City of lights and cosmic rays

Paris has long had the nickname the "City of Lights," due to its role as a center of education during the Age of Enlightenment and, in the 1800s, due to its early implementation of electric lighting. It very nearly had its name associated with another form of radiation in 1910, however, thanks to a truly [...]

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Fermi Satellite Tracks Cosmic-Ray Origins Back to Supernova Remnants

Supernova shock wave

The cosmos is full of surprises—not a week goes by without some group of astronomers announcing a perplexing new discovery that upends theory or expectation. But equally important is the difficult and time-consuming research required to firmly pin down what astronomers think they already know. Take, for instance, a new study on the origins of [...]

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