The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Todd Pedlar has been a professor in the Physics Department since 2003. Some of his course topics include Classical Physics, Electricity and Magnetism, Quantum Mechanics, Nuclear and Particle Physics, ...

Quarks are among the smallest things that science has discovered, shown experimentally to be about a million billion times smaller than a grain of sand. Joshua Jackson, Luther College senior of East ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, three scientists formulate a new model: according to this, inflation, the ...

Particle physics might seem too complex for young children, but educators are finding enthusiasm and understanding even among the Sesame Street set. Jason Heeris, a physicist and signal-processing ...

The briefing book of the 2026 update of the European Strategy for Particle Physics was published in October. Paris Sphicas ...

Every few years, scientists take a step back to take a broader look at their field and determine what questions are most pressing—and what tools they will need to answer those questions. This year the ...