On September 10, 2008, the Large Hadron Collider powered up for the first time. The Large Hadron Collider (LHC) is a series of superconducting magnets arranged in tunnels beneath the border of France and Switzerland near Geneva, Switzerland.
 
The LHC is nicknamed the “biggest science experiment in the world.” The magnets of the LHC stretch in a ring about 27 kilometers (17 miles) long. Inside the LHC, high-energy particle beams travel at near the speed of light, guided by thousands of magnets. Scientists then carefully force the beams to collide. According to the European Organization for Nuclear Research (CERN), which runs the LHC, “The particles are so tiny that the task of making them collide is akin to firing two needles 10 kilometers apart with such precision that they meet halfway.”
 
The science experiments done with the LHC test different theories of particle physics, the study of the tiny particles that make up matter and radiation. Some of the particles studied by physicists and engineers at the LHC include subatomic particles, such as protons and electrons, and even smaller particles such as quarks and photons.
akin
Adjective

similar.

Noun

natural or artificial line separating two pieces of land.

collide
Verb

to crash into.

electron
Noun

negatively charged subatomic particle.

engineer
Noun

person who plans the building of things, such as structures (construction engineer) or substances (chemical engineer).

magnet
Noun

material that has the ability to physically attract other substances.

matter
Noun

material that makes up a substance.

particle
Noun

small piece of material.

particle physics
Noun

study of the subatomic particles that make up matter and radiation.

photon
Noun

smallest unit of light, or electromagnetic radiation.

physicist
Noun

person who studies the relationship between matter, energy, motion, and force.

precision
Noun

exactness.

proton
Noun

positively charged subatomic particle.

quark
Noun

subatomic particle that combines with other quarks to form hadrons, such as protons and neutrons.

radiation
Noun

energy, emitted as waves or particles, radiating outward from a source.

subatomic particle
Noun

unit that is part of an atom, such as protons or electrons, or even smaller particles such as quarks and bosons.

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