
What If?
Read this summary in any language — built-in translation in the reader.
What’s it about?
A former NASA roboticist applies real physics to absurd hypotheticals, revealing the hidden catastrophes and wonders behind questions like hitting a baseball at 90% the speed of light.
You’ll learn
- Relativistic baseballs are nuclear bombs
- Earth's sudden stop would be apocalyptic
- Scale matters: intuition often fails
- Science can answer even silly questions