Google gives me this: https://m.youtube.com/watch?v=rgwNsNCpbhg

I will check it at home, I have started my PhD recently and I find the subject very interesting. It got my attention after reading some papers (i.e. DeepSDF). One of the best pages on the subject is Iñigo Quilez's blog: https://www.iquilezles.org/index.html