Erica Calman
Physicist, pilot, chronically depressed trans-woman.
Nuclear Weapons Testing
2025 Nobel Prize in Physics Explained: Quantum Tunneling and Josephson Junctions
My Perpetual Nuclear War Fears
Nature in Danger
Falcon 9 Launch as Viewed from San Diego, CA
Plants Are Algae
How Jet Engines Actually Work: The Open Air Brayton Cycle Explained
My Teaching Load Increased: 2025 Spring Plans/Schedule and Thoughts
2024 End of Year: Errors, Recap and Thoughts
Vote
The Purpose of Science
The Sad Story of Why TCAS Exists: PSA Flight 182
Why Isn't There An Eclipse Every Month?
I'm Technically A Professor Now!
When is An Entropy Increase Irreversible? The Case of Free Expansion
Why There Are No Pink Lasers
Air Conditioners and Engines: Thermodynamic Cycles Explained
A Practical Guide to Entropy and Thermodynamics
Why Is There A Helium Shortage?
What Does Relative Humidity Actually Mean? Psychrometrics, Ideal Gases and Partial Pressures
2023 Recap: Factual Errors I Made and Other Thoughts
Dogfight Physics 101: Airplane Turn Rate vs Turn Radius
Luminescence vs Incandescence
Visiting New Mexico
Stealth and Electronic Warfare
Mental Health In Aviation (and In Life)
How Rollerons Actually Work (Gyroscopic Precession)
Why can't neutrinos be the dark matter?
Science and Science Fiction
Gyroscopic Precession