# Cool Facts

## True or False Comparisons Edition

Our new episode of True or False is out! How much did you score?

Make a triangle of numbers in which the leftmost column is the sequence of prime numbers and each other number is the absolute value of the difference of the two numbers to its left: 2 3 1 5 2 1 7 2 0 1 11 4 2 2 1 13 2 2 0 2 1 …

## Hitting a Baseball at the Speed of Light

Baseball isn’t that interesting in and of itself, but if you add a speed variable into it, it’s a whole other story. What would happen if you tried to hit a baseball pitched at 90% the speed of light? Letâ€™s set aside the question of how we got the baseball moving that fast. We’ll suppose …

The Pinocchio Paradox is all about saying an impossible statement. Here is a quick explanation.

## Cool Math Facts #2

This week is math heavy! Check out these 3 awesome math facts!

## Wordplay: The Philosophy, Art, and Science of Ambigrams

Words are far more interesting than they seem to be and this book is going to prove it. Even if you turn the cover upside down, you can still read the word “Wordplay”, since it is an ambigram. This book will show you many illustrations of words which look exactly the same when you turn …

## Mathematical Breakthroughs – Continuum hypothesis

Mathematical breakthroughs don’t happen every day, so let’s take a moment to talk about some of them. Today – The Continuum hypothesis. In mathematics, the continuum hypothesis is a hypothesis, advanced by Georg Cantor in 1878, about the possible sizes of infinite sets. It states: Â Â Â There is no set whose cardinality is …

## What if a nuclear bomb exploded in the Marianas Trench?

What if you exploded a nuclear bomb (say, the Tsar Bomba) at the bottom of the Marianas Trench? â€”Evin Sellin Surprisingly littleâ€”especially compared to what would happen if you put it just under the surface. At 53 megatons, the Tsar Bomba was the most powerful nuclear weapon ever detonated, and at 11 kilometers, the Mariana(s) …

## Top Ten Transcendental Numbers

Here are the top ten transcendental numbers, as put together by Dave Richeson. 1. (Liouville, 1851): the first known transcendental number not expressed as a continued fraction. 2. (Hermite, 1873): the first non-contrived example of a transcendental number. 3. (Lindeman, 1882): use the Lindemann-Weierstrass theorem (below) and Eulerâ€™s identity, This showed that it is impossible …

## True or False – Math Edition

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