University Physics Volume 1: OpenStax
University Physics Volume 2: OpenStax
Chemistry: OpenStax
Chemistry: Atoms First - OpenStax
Environmental Science
The Art of Insight in Science and Engineering: Mastering Complexity
Light, charges and brains
30.3 Bohr’s Theory of the Hydrogen Atom
Practical Meteorology: An Algebra-based Survey of Atmospheric Science
Astronomy: OpenStax