The Shuffled Color Odds
Imagine you have a deck of cards consisting of 25 red cards and 25 black cards. You sit down at a table and thoroughly shuffle them. You draw the first two cards off the top of the deck.
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Scientific quizzes
Test Your Knowledge
Challenge yourself with short trivia from the history of science and discovery.
The Möbius Twist
Imagine taking a standard strip of paper, giving it a single half-twist, and taping the two ends together to create a classic Möbius strip.
Start quizSt. Petersburg Paradox
Imagine a game where a fair coin is tossed repeatedly until 'Heads' appears. If it appears on the 1st toss, you win €2. If it takes until the 2nd toss, you win €4. If it takes until the 3rd toss, you win €8, doubling every time.
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Imagine you are looking at data for rare, independent events happening over time (like a specific machine component failing in a lab).
Start quizThe Speed of Sound
We know from James Clerk Maxwell that light travels as an electromagnetic wave through the vacuum of space. But what about mechanical waves, like sound traveling through solid matter?
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