Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mathematical equations aren't just useful — many are quite beautiful. And many scientists admit ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...