How Hard Can You Hit a Golf Ball? (at 100,000 FPS)
Adults Math
We used a pressurized vacuum cannon to get the golf ball up to speeds of over 500 miles per hour.
April Fool's Day
Teachers Math
April Fool's Day is the perfect time to play some light-hearted pranks on your friends, family, and co-workers; and if you’re a teacher, pulling an unexpected fast one on your students can be entertaining -- and memorable -- for everyone.
Can you solve the jail break riddle?
Adults Math
You’re a bank robber trying to escape from jail. Can you solve the riddle to get past the fence to freedom?
The Inverse Leidenfrost Effect
Adults Math
Droplets levitate on a bath of liquid nitrogen and are spontaneously self-propelled.
Mushroom Cloud Myth | Because Science Footnotes
Adults Math
Kyle debunks the Fallout Vault Boy myth, responds to your comments, and more!
Can you solve the Leonardo da Vinci riddle?
Adults Math
You've found Leonardo da Vinci's secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes: 1210, 3211000, and... hmm.
Can Math Explain How Animals Get Their Patterns?
Adults Math
How Alan Turing's Reaction-Diffusion Model Simulates Patterns in Nature.
The Potato Paradox
Adults Math
The potato paradox is a mathematical calculation that has a counter-intuitive result.
What Is A Paradox?
Adults Math
A paradox is a statement that, despite apparently sound reasoning from true premises, leads to an apparently self-contradictory or logically unacceptable conclusion.
Why can't you divide by zero? - TED-Ed
Adults Math
In the world of math, many strange results are possible when we change the rules. But there's one rule that most of us have been warned not to break: don't divide by zero.
Gyroscopic Precession
Adults Math
We have been collaborating on rotational motion, which is timely for some of the videos I've been doing lately.
String Theory Explained - What is The True Nature of Reality?
Adults Math
This video was funded by SNSF under Agora Grant n. 171622 and through the NCCR SwissMAP: The Mathematics of Physics.
The coin flip conundrum - Po-Shen Loh
Adults Math
When you flip a coin to make a decision, there's an equal chance of getting heads and tails.
Can you solve the dark coin riddle? - Lisa Winer
Adults Math
You heard the travelers' tales, you followed the maps, and now, you've finally located the dungeon containing a stash of ancient coins. The good news: the wizard who owns the castle has generously agreed to let you have the coins. The bad news: he's not quite as generous about letting you leave the dungeon ... unless you solve his puzzle. Can you solve it and get out alive? Lisa Winer shows how.
How to Figure Out the Day of the Week For Any Day Ever
Adults Math
You might think that computers are the only things that run algorithms, but you're wrong. Here's a neat mental trick for calculating the day of the week for any day ever, developed by famous mathematician John H. Conway
The Napkin Ring Problem
Adults Math
Do you ever come across a math problem that you know is right but no matter how hard you try, you can't wrap your mind around it?
A brief history of banned numbers - Alessandra King
Adults Math
They say the pen is mightier than the sword, and authorities have often agreed. From outlawed religious tracts and revolutionary manifestos to censored and burned books, we know the potential power of words to overturn the social order. But as strange as it may seem, some numbers have also been considered dangerous enough to ban. Alessandra King details the history behind illegal numbers.
Can you find the next number in this sequence? - Alex Gendler
Adults Math
1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? Alex Gendler reveals the answer and explains how beyond just being a neat puzzle, this type of sequence has practical applications as well.
Why underdogs do better in hockey than basketball
Adults Math
A statistical analysis of luck vs skill in sports.
Check your intuition: The birthday problem - David Knuffke
Adults Math
Imagine a group of people. How big do you think the group would have to be before there's more than a 50% chance that two people in the group have the same birthday? The answer is ... probably lower than you think. David Knuffke explains how the birthday problem exposes our often-poor intuition when it comes to probability.