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Fermilab is America’s particle physics and accelerator laboratory. Our vision is to solve the mysteries of matter, energy, space and time for the benefit of all.

The Planck scale

The Planck scale sets the universe’s minimum limit, beyond which the laws of physics break.

Why do objects feel solid?

A reader asks, “If atoms are mostly empty space, then why does anything feel solid?” James Beacham, a researcher with the ATLAS Experiment Group at Ohio State University, explains in this two-minute video.

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