What Is The Smallest Particle We Know? - Science ABC

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Quarks are the smallest entities we have come across in our scientific endeavor through the sand grain. Actually, quarks as well as electrons.

When physicists first collided electrons with protons, they observed that electrons bounced off three small hard nuclei inside the proton. The cores were then called quarks. Quarks are the smallest particles we have come across in our scientific endeavor. The Discovery of quarks meant that protons and neutrons weren’t fundamental anymore.

To better understand this, let’s peel apart a piece of matter and discover its constituents by removing each layer one by one.

From a bird’s eye view, the matter looks rigid, and its properties easy to measure. Still, even a 6-year-old can deduce that the tenacious pillars of his carefully engineered sandcastle are the sum of billions of microscopic sand grains.

The next question is… what constitutes the sand grain?

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What Is The Smallest Particle We Know?

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