2
votes
2answers
241 views

Any resources to learn how to interpret formulae/diagrams?

Are there any materials exploring intermediate levels (of any sub-subject) which give plain English descriptions along side formulas/equations/notation?
3
votes
2answers
536 views

Why do the formulas for planck's units use h instead of hbar?

On the Answers.com page on Planck length, I see two almost-same formulas for the Planck length that differ only by the use of h and hbar. However, the constants are the same, and my calculator gives ...