James Grime

James Grime is a mathematician and author known for his engaging videos on Numberphile.

Contributions to Mathematics Communication

• Known for explaining complex mathematical concepts in an accessible manner.
• Focuses on history, theory, and applications of mathematics.

Notable Works

• Pi: 39 Digits for Universe Measurement, Trillions for Computational Testing
  • Clip title: Pi and the size of the Universe - Numberphile
  • Author / channel: Numberphile
  • URL: https://www.youtube.com/watch?v=FpyrF_Ci2TQ

Summary

• Explores the practical accuracy of Pi.
• Discusses historical and modern reasons for calculating Pi to vast decimal places.
• Highlights that only 39 digits of Pi are necessary to measure the circumference of the observable universe with extreme precision.

Related Concepts

• Pi
• numberphile
• Mathematics Education

Backlinks

2026 04 13 Pi 39 Digits for Universe Measurement Trillions for Computational Test

Source Notes

• 2026-04-13: [[lab-notes/2026-04-13-Pi-39-Digits-for-Universe-Measurement-Trillions-for-Computational-Test|Pi and the size of the Universe - Numberphile]]