World of Engineering
@engineers_feed · 8 февр. 2023 г.
How many π digits do we need?
3.1415 ➡️ design the finest engines
3.1415926535 ➡️ obtain the circumference of the Earth within a fraction of an inch
3.141592653589793238462643383279502884 ➡️ measure the radius of the universe to an accuracy equal to the size of a hydrogen atom
Elon Musk
@elonmusk
Arguably, the practical limit of pi is the number of digits required to measure radius of the universe in units of Planck length
05:20 · 8 февраля 2023 г. · 4,9 млн просмотров
1,3 тыс.
722
12,7 тыс.