Content tagged with “physics”

There are item(s) tagged with “physics” on this site.

Tachyon
Date
Tags
physics

“This is a purely hypothetical particle. It was first theorized in a 1967 paper, but its existence has never been proven. According to the theory, it always travels faster than light. The word comes from the Greek ‘tachy’ which means ‘swift.’ It’s the same root from which we get ‘tachycardia,’ which…”

Mach Numbers and the Sound Barrier
Date
Tags
air-travel, physics

“This is a value commonly used to describe the speed of an aircraft. It’s not a constant value. It represents the speed of sound in whatever air is being used at the time. The speed of sound changes with elevation and air density. Also, ‘speed of sound’ is kind of a misnomer. What’s really being…”

A Brief History of Time
Pages
213
Author
Stephen Hawking
Published
1998
Date
Tags
science, physics, philosophy, history

“Okay, let’s get this out of the way: I didn’t understand 90% of this book. And I don’t think most other people will either. My question is this: can you not understand a book, but still get something out of it? Yes, I think so. To be clear, just because I didn’t understand the entire book, doesn’t…”

The Trouble with Gravity: Solving the Mystery Beneath Our Feet
Pages
256
Author
Richard Panek
Published
2019
Date
Tags
science, physics

“I kind of thought this book was going to be about the scientific principle of gravity, and how we still don’t know what it is. Instead, the book is a long, tedious history of physics. It starts with a discussion about gravity in myth, legend, and religion, including the idea that heaven is ‘up…”

Why Information Grows: The Evolution of Order, from Atoms to Economies
Pages
256
Author
Cesar A. Hidalgo
Published
2015
Date
Tags
information, economics, information-theory, physics

“This is an enormously conceptual book, and is more about economics than information. The author makes the claim that the functionality and ordering of atoms (?) in physical products is information, and this grows with economies. A computer is only worth more than the plastic and chemicals its made…”