Veritasium (Derick, who I've met personally) does a fantastic job on these fundamental science subjects. Le Grande K was the definition of the kilogram. Derick

Veritasium (Derick, who I've met personally) does a fantastic job on these fundamental science subjects. Le Grande K was the definition of the kilogram. Derick explains the question at hand, how Plancks constant is now used. Derick's quality is supreme & he is always very careful and confident about claims. https://www.youtube.com/watch?v=Oo0jm1PPRuo https://www.youtube.com/watch?v=Oo0jm1PPRuo