Despite 2025 being designated the International Year of Quantum Science and Technology (IYQ) we still know surprisingly little about how quantum effects “work”. According to this year’s anniversary, the quantum story started in 1925 when Werner Heisenberg formulated his matrix mechanics while spending time on the German island of Helgoland. But Heisenberg was not the … Continue reading Particle Physics (IYQ 2025)
What is Spin?
Spin, when applied to fundamental particles, is a property rather than a description. The basic components of matter are not tiny spinning tops, like coins that are stood on edge then flicked on opposite sides to make them rotate. Instead, spin is a physical property that can be demonstrated and also a numerical value that … Continue reading What is Spin?
