How we measured my heart rate on my face

Подробнее о видео

You can buy my books here:


You can support me on Patreon and get access to the exclusive Discord:


just like these amazing people:

Glenn Watson
Peter Turner
Joël van der Loo
Matthew Cocke
Mark Brouwer
Deneb

Twitter:
Instagram:
Facebook:
TikTok:
Buy nerdy maths things: