Update: How cold is the LHC right now? What about now?

07/23/08

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Sector 3-4 magnets: Almost there

As CERN's Large Hadron Collider is gradually chilled to its operating temperature of 1.9 degrees Kelvin -- colder than the vacuum of outer space -- you can follow along at this Web site. It shows the temperature of each of the machine's eight sectors in real time, or pretty close to it. Thanks to Bad Astronomy for pointing this out.

Why so cold? Check out this post from Monday.

popular on symmetry

07/28/16

The deconstructed Standard Model equation

The Standard Model is far more than elementary particles arranged in a table.

Illustration of someone reading a physics vocabulary booklet

04/18/24

Physics vocabulary: AI edition

Don’t know your convolutional neural networks from your boosted decision trees? Symmetry is here to help.

$Conceptual illustration of wool being spun into refracted light$

04/17/24

Symmetry’s guide to AI in particle physics and astrophysics

In the coming weeks, Symmetry will explore the ways scientists are using artificial intelligence to advance particle physics and astrophysics—in a series of articles written and illustrated entirely by humans.

Illustration representing properties of light

06/29/21

What is a photon?

The fundamental particle of light is both ordinary and full of surprises.