The Large Hadron Collider
Everything Everywhere Daily: History, Science, Geography & More
Gary Arndt
4.7 • 2.3K Ratings
🗓️ 24 June 2023
⏱️ 12 minutes
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| 0:00.0 | Straddling the border of Switzerland in France is the largest scientific instrument ever created. |
| 0:04.8 | It sits in a tunnel 27 kilometers or 17 miles long and at points it rests 174 meters or 574 feet below the surface and it cost a whopping 7.5 billion euro. |
| 0:17.0 | It consists of thousands of powerful magnets, one of the world's largest vacuum |
| 0:21.5 | chambers and uses a great deal of energy. |
| 0:24.0 | But with it we can probe the secrets of the basic particles that make up the universe. |
| 0:28.5 | Learn more about the Large Hadron Collider, how it works, and why it was built on this episode of |
| 0:34.2 | Everything Everywhere Daily. Before we get into the history of the Large Hadron Collider, it's necessary to first talk about what |
| 0:56.4 | particle accelerators do and why they're used. As the name would suggest, particle accelerators accelerate particles. |
| 1:04.4 | Technically speaking, a particle accelerator doesn't have to be very expensive or sophisticated. |
| 1:09.4 | Certain particles have an electrical charge, electrons, protons, and their anti-meter |
| 1:14.3 | equivalents, positrons, and antiprotons. |
| 1:17.6 | If you take a particle with an electrical charge, so let's say an electron with a negative |
| 1:21.3 | charge, it'll be repelled by anything with a negative charge |
| 1:25.1 | and attracted to something with a positive charge. |
| 1:28.1 | Using this property of charged particles, |
| 1:30.1 | you can pretty easily create a device that accelerates them. |
| 1:33.2 | You create two metal plates with holes in them, one has a negative charge and one as a |
| 1:37.2 | positive charge. Put an electron into the hole of the plate with a negative charge |
| 1:41.7 | and it will be repelled away and also attracted to the plate with a positive charge. |
| 1:46.0 | You can then set up another one of these for when the electron passes through the hole in the positively charged plate. |
| 1:52.0 | Put enough of these in series and you can accelerate in the positively charged plate. |
| 1:52.6 | Put enough of these in series and you can accelerate an electron to very high speeds. |
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