There is an ‘eerie’ sound inside Earth’s 17-mile long ‘death machine’ and commenters are saying that it ‘feels like hell’.
The sound can be heard deep beneath the border between France and Switzerland.
This is where the world’s biggest physics machine is located, sending particles to collide into each other at such fast speeds that they are nearing the speed of light.
Known as the Large Hadron Collider, scientists hope that it could solve some of the universe’s big mysteries.
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The massive particle accelerator is used by the European Organization for Nuclear Research, known as CERN, and makes some distinctive noises during operation.
One worker captured an audio clip of it from an emergency bunker next to the beam.
The public have been able to hear the noises for the first time, with many finding it ‘eerie’ and have compared it to ‘hell’.
Although some people have said that it sounds more like someone is ‘doing DIY’.
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The noises repeat as the particles pass any fixed point in the ring and the machine makes sound as it is cooled down and sped up.
Taking to social media, one user commented under a YouTube video of the sound: “Such an amazing and eerie sound.”
While another wrote: “IT FEELS LIKE HELL.”
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Some people tried to compare the noise to something else, with one adding: “Sounds like a Pokemon cry.”
Others thought it sounded like a beat from a sound, with another suggesting it was a ‘forbidden dubstep track’, while one person said: “It sounds like something Daft Punk wud do.”
A sixth person said: “It's just basically the sounds of the vacuum in the tunnel and the machineries of the computer..”
And another added: “I don't know why but I fear this machine.”
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However, Lily Asquith is a physicist doing work using the machine and says that there’s nothing to worry about.
She said: “I just think that's unnecessary that it frightens people -- it should be something that everyone should enjoy.”
Her work includes the study of the elusive Higgs boson particle, which is a subatomic particle that scientists say gives everything in the universe with mass.
One of the main goals of the machine was to prove the existence of the Higgs boson, which they achieved in 2012.
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What is CERN?
CERN is the European Organization for Nuclear Research, located on the France–Switzerland border in Meyrin, Geneva.
It is considered one of the world's largest and most respected centres for scientific research, CERN was established in 1954 and is responsible for building the Large Hadron Collider (LHC).
What is the Large Hadron Collider?
The Large Hadron Collider (LHC), often called a ‘death machine’, is where scientists work to collide at high energies to achieve particle acceleration.
The machine has a circumference just shy of 27km (17km) and has been in operation for 14 years.
LHC consists of four crossing points where the accelerated particles collide, allowing scientists to study their reactions and the energies they produce.