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| 😎 Feynman Diagrams Tutorial | NOS | Particle Biographies | Experiment Biographies | People | Particle Detectors | Science Musings | Philosophy | History | Math Refresher | 💪 Skinny Physics |🚚 ⚾️ 🏋️‍ mechanics | 🌝 🌎 🌗 gravitation and astronomy | 🧲 📡 💡 electromagnetism | special_relativity |

Faster than light neutrinos?

musings

neutrinos

NOS

ℹ️ README: What do you do when you get a MAJOR surprise?

electron

Particle Bios

electron

electron post content

About the various blog series

pinned

This blog is a mixture of tutorial and topical posts. Here’s how to use it.

January 1, 2050

The OPERA Experiment and the Speed of Light

history

experiments

neutrinos

This is a notorious episode in recent particle physics. It irriates some, but to me it’s a good thing. Here’s what happened:

August 21, 2025

Galileo and Free Fall

Mechanics

physics

history

velocity

Scientific and everyday knowledge seem different…but it’s actually hard to say why. Isn’t it interesting? It’s an old problem.

August 21, 2025

1.00 Laws and Theories

NOS

philosophy

‘It’s not just a good idea, it’s the law.’ was the 1970’s highway sign. A law you can disobey. But a Scientific Law? That’s supposed to be certain. If a statement about the natural world isn’t a ‘law’ then it’s often thought to be just second-rate. Nope. There aren’t any Scientific Laws!

August 16, 2025

2.00 Models and Scientific Statements

NOS

drafting

ℹ️ README: We test models, not theories.

August 16, 2025

3.00 Scientific Knowledge, Proof, and Truth

NOS

philosophy

Scientific and everyday knowledge seem different…but it’s actually hard to say why. Isn’t it interesting? It’s an old problem.

August 16, 2025

Musings

musings

science

ℹ️ README. Science is a big subject with an often misunderstood vocabulary and practices. Words matter and everyday phrases are often coopted into scientific parlance and…

Particle Biographies

particles

Introductory content for Particle Bios.