The purpose of the class is to introduce the basic ideas of Einstein's relativity theories. It starts with a review of some prerequisites such as classical mechanics and electromagnetism. Then it moves to special relativity, and finally it gives a qualitative introduction to general relativity.

What interval has more number [0,1] or [0,2]? Are there more integer numbers or natural numbers? What about rational and real numbers? Are all infinities the same, or are there many kinds of infinity? If you ever wondered about these questions, now it is time to come find the answers!