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What are photons? | Live Science

Photons are basic subatomic particles that carry the electromagnetic pressure — or, in less complicated phrases, they’re mild particles (and a lot extra). The photon can also be the “quantum,” or basic unit, of electromagnetic radiation. Everyone is surrounded by photons: The mild coming from the display you are viewing consists of photons, the X-rays physician use to see bones are made from photons, the radio in a automotive receives its sign from photons, and the magnets on a fridge use photons to carry themselves up.

Like all different subatomic particles, photons exhibit wave-particle duality, that means that typically they behave as tiny particles and typically they act as waves. Photons are massless, permitting them to journey on the velocity of sunshine in a vacuum (299,792,458 meters per second) and may journey an infinite distance.

Photon discovery

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