To Martin Gardner, seeing is not just believing - it is understanding. This fundamental rule has made him one of the most successful teachers and popularizers of science in America. With the simple instructions in this book and a few commonly available household objects, you or your child can easily learn even the most difficult scientific principles by directly experiencing how they work.
Martin Gardner was an American mathematics and science writer specializing in recreational mathematics, but with interests encompassing micromagic, stage magic, literature (especially the writings of Lewis Carroll), philosophy, scientific skepticism, and religion. He wrote the Mathematical Games column in Scientific American from 1956 to 1981, and published over 70 books.
We are in 1981, Gardner is sharing experiments that you can do at home. Well, you may have to rush to the supermarket to do all of them. He also do not use a smartphone (old book) but you can use yours to replace a flashlight and to record the show. More importantly, he encourage follow up investigations on the science explaining the experiments.