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Health & Science3h 29m ago
Plausible answers for the number of elementary particles range from 17 to 995.5, depending on the counting methodology.
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University of Cambridge, Harvard University, Fermi National Accelerator Laboratory, Stony Brook University, Weizmann Institute of Science
Who
David Tong, Melissa Franklin, Chris Quigg, Adam Schwimmer, Zohar Komargodski
What
Plausible answers for the number of elementary particles range from 17 to 995.5, depending on the counting methodology.
When
Mon, 15 Jun 2026 15:11:15 GMT · 3h 29m ago
Where
University of Cambridge, Harvard University, Fermi National Accelerator Laboratory, Stony Brook University, Weizmann Institute of Science ·
Why
Physicists disagree on how to count elementary particles due to complexities like antiparticles, gluons, chirality, and varying degrees of freedom.
The Frontline Impact
How this affects you
The precise number of elementary particles is a subject of ongoing debate among physicists, highlighting the complexities and remaining mysteries within quantum field theory and the Standard Model.
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4 events in this thread- Health & Science3h 29m agoPhysicists are debating the true number of elementary particles, with plausible answers ranging from 17 to 995.5.Open article
- Health & Science3h 29m agoPhysicists are currently debating the true number of elementary particles, with counts ranging from 17 to 995.5 degrees of freedom.Open article
- Health & Science3h 29m agoPhysicists are debating the true number of elementary particles, with plausible answers ranging from 17 to 995.5, based on different counting methodologies.Open article
- Currently Reading3h 29m agoPlausible answers for the number of elementary particles range from 17 to 995.5, depending on the counting methodology.