This semester, I’m teaching a fairly large (130 at final count) online course in digital media. I wrote last month about some of the strategies I’ve used to prepare the course, including thinking ...

The conductivity apparatus is a display of ten panels of diodes which light up from left to right with increasing degrees of conductivity of the solutions, and is very effective in the lecture setting ...

The spontaneity of redox reactions is demonstrated using copper, zinc, and silver, and their cations. When solid zinc is placed in Cu2+ solution, the blue color of the solution becomes less intense as ...