MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
MinutePhysics
Immovable Object vs. Unstoppable Force - Which Wins
Immovable Object vs. Unstoppable Force - Which Wins
SciShow
This Problem Could Break Cryptography
What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of puzzles we thought were hard turned out to be easy? Mathematicians call this problem P vs. NP, it...
SciShow
Non-Newtonian Fluids & A Bulletproof Hoodie
Hank describes how non-Newtonian fluids can save lives - and dreams of a bulletproof hoodie.
SciShow
3 Freaky Things Explained: Bug Sex, Polar Vortex and Chain Fountain!
Hank shares the latest developments in science, this week demystifying three freaky things in nature: the polar vortex, why some bugs are infertile, and how a chain can appear to defy gravity. You're welcome!
TED-Ed
TED-Ed: History vs. Thomas Jefferson | Frank Cogliano
Thomas Jefferson, founding father of the United States and primary author of the Declaration of Independence, was part of America's fight for freedom and equality. But in his personal life, he held over 600 people in slavery. Are his...
TED-Ed
TED-Ed: Can you steal the most powerful wand in the wizarding world? | Dan Finkel
The fabled Mirzakhani wand is the most powerful magical item ever created. And that's why the evil wizard Moldevort is planning to use it to conquer the world. You and Drumbledrore have finally discovered its hiding place in a cave, but...
Bozeman Science
Symbolic Representations
In this video Paul Andersen explains how the conservation of matter can be displayed with both symbolic representations and particulate drawings. A simple conservation of matter problem is also included.
Crash Course
School Segregation and Brown v Board: Crash Course Black American History
In 1955, the Supreme Court ruled unanimously that public schools should be racially integrated, and overturned the separate but equal doctrine established in Plessy v Ferguson decades before. This was made possible by a concerted legal...
Bozeman Science
Force-Time Graph
In this video Paul Andersen explains hot the force-time graph can be used to determine the impulse of an object. Since the impulse and the change in momentum are equivalent the graph can also be used to determine the change in momentum...
Bozeman Science
Mass and Energy
In this video Paul Andersen explains how mass can be converted to energy and energy can be converted to mass. The equation E=mc2 can be used to determine the amount of energy released from nuclear processes.
SciShow
3 Freaky Things Explained: Bug Sex, Polar Vortex and Chain Fountain!
Hank shares the latest developments in science, this week demystifying three freaky things in nature: the polar vortex, why some bugs are infertile, and how a chain can appear to defy gravity. You're welcome!
3Blue1Brown
What they won't teach you in calculus
A visual for derivatives which generalizes more nicely to topics beyond calculus. Thinking of a function as a transformation, the derivative measure how much that function locally stretches or squishes a given region.
Bozeman Science
PS3A - Definitions of Energy
In this video Paul Andersen attempts to explain the age old questions - What is Energy? Even though it comes in many forms one of the defining characteristics of energy is that it is conserved over time. He then explains that all energy...
3Blue1Brown
e^(iπ) in 3.14 minutes, using dynamics | DE5
A quick explanation of e^(pi i) in terms of motion and differential equations
MinutePhysics
How ISPs Violate the Laws of Mathematics
This joke video is about how Internet Service Providers (aka ISPs, internet companies, telecommunications companies, etc) violate the basic axioms of Zermelo-Fraenkel set theory. Like the axiom of choice (sometimes Well-ordering...
TED Talks
Alaa Murabit: What my religion really says about women
Strong faith is a core part of Alaa Murabit's identity -- but when she moved from Canada to Libya as a young woman, she was surprised how the tenets of Islam were used to severely limit women's rights, independence and ability to lead....
TED-Ed
TED-Ed: Can you solve the passcode riddle? - Ganesh Pai
In a dystopian world, your resistance group is humanity's last hope. Unfortunately, you've all been captured by the tyrannical rulers and brought to the ancient coliseum for their deadly entertainment. Will you be able to solve the...
Bozeman Science
Water Potential
Paul Andersen explains how populations experience exponential. He begins by address the major players; N (population size) and r (growth rate). He models population growth in rabbits through four generations. He then shows you how to use...
TED Talks
TED: The science behind a climate headline | Rachel Pike
In 4 minutes, atmospheric chemist Rachel Pike provides a glimpse of the massive scientific effort behind the bold headlines on climate change, with her team -- one of thousands who contributed -- taking a risky flight over the rainforest...
MinutePhysics
Immovable Object vs. Unstoppable Force - Which Wins
Immovable Object vs. Unstoppable Force - Which Wins
SciShow Kids
Alien Egg Experiment!
Join Jessi and Squeaks to see how you can make your very own alien egg!