You are shown a set of four cards. Each card has a number on one side, and a color on the other side. We would like to test the truth of the following statement. If a card shows an even number on one face, then its opposite face is blue.
Are you up for a real challenge? Find the flaw in this argument and let us know in the comments!
This hypothetical hotel has a countably infinite number of rooms, but they are all occupied. If someone is looking for a room, can the hotel accommodate him?
Learn another set of 5 cool math facts in a little over a minute from our new video!
This paradox Tuesday we try to find an answer to the question: “What happens when an unstoppable force meets an immovable object?”
After living for 9 months in a liquid environment and then suddenly getting transported into the world by your mother, how do you think you made the transition? Find out from this great Smarter Every Day video.
You might know many digits of pi, but do you know everything about it? Test your knowledge in this interactive true or false game!
While the Prisoner’s Dilemma is not technically a paradox, it does involve a logical decision with an unexpected result.
Symmetry is perfection, and this video shows exactly why with the help of Football and physics. Football, Physics, and Symmetry – YouTube.
In this week’s Paradox Tuesday we discover some weird rules regarding barbers.