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Elementary particles which are quarks, leptons, gluons, bosons, photons and gravitons.

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The graviton is not confirmed; gluons and photons are bosons, many particles are smaller than quarks.

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βˆ™ 12y ago
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βˆ™ 5mo ago

One of the smallest things ever measured is thought to be the size of a quark, which is a fundamental particle that makes up protons and neutrons. Quarks are believed to be smaller than 10^-18 meters in diameter, making them incredibly tiny.

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βˆ™ 13y ago

How about a tungsten nanotip (a needle, in other words) that is only a single atom wide.

How about an atom of a trans-uranium element. (Einsteinium, Americium, Francium e.g.)

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βˆ™ 15y ago

A tungsten nanotip (a needle, in other words) that is only a single atom wide.

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heping yang

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βˆ™ 2y ago

Β cosmec waves other than preons cosmec waves creates preaons and preons make quarks

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βˆ™ 11y ago

the smallest thing is a cell.

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βˆ™ 13y ago

the smallest thing ever is a neutrino

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βˆ™ 13y ago

nanostructure

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βˆ™ 13y ago

probably an electron.

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βˆ™ 6y ago

cell

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Q: What is the smallest thing ever measured?
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