Also from Gamow, and something that blew my (then) 12 year old mind: 1-2-3-Infinity https://en.m.wikipedia.org/wiki/One_Two_Three..._Infinity https://en.m.wiki

Also from Gamow, and something that blew my (then) 12 year old mind: 1-2-3-Infinity https://en.m.wikipedia.org/wiki/One_Two_Three..._Infinity https://en.m.wikipedia.org/wiki/One_Two_Three..._Infinity