Hi, what do you want to do?
MinuteEarth
How Birds Fooled Military Radar
A technology to ignore birds on radar ended up being useful to study and conserve them.
Bozeman Science
Magnetic Permeability
In this video Paul Andersen explains how the magnetic permeability is the ability of a material to form internal magnetic fields. The magnetic permeability of free space is a constant and is much lower than the magnetic permeability of...
Bozeman Science
Electric Field of a Sphere
In this video Paul Andersen explains how the electric field strength decreases as the square of the radius as you move away from a point charge, or a uniform distribution of charge on a sphere. This is a direct application of Coulomb's...
SciShow
There's a Loophole in One of the Most Important Laws of Physics
The laws of thermodynamics are cornerstones of physics - but one of them is more breakable than it appears.
TED Talks
TED: What's next in 3D printing | Avi Reichental
Just like his beloved grandfather, Avi Reichental is a maker of things. The difference is, now he can use 3D printers to make almost anything, out of almost any material. Reichental tours us through the possibilities of 3D printing, for...
Crash Course Kids
Spaced Out
So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it.
SciShow
How Jupiter’s Moons Showed Us the Speed of Light
Light travels through space as fast as anything in the universe possibly can, but before scientists could figure out light’s speed, they had to figure out whether that speed was even finite.
MinutePhysics
2012 Nobel Prize - How Do We See Light
What was the 2012 Nobel Prize in physics given for? Capturing a single photon of light!
SciShow
3 Body Hacks For Stargazers
Before you head out on your next stargazing adventure, SciShow Space has some tips for you.
Bozeman Science
Thinking in Quantity - Level 2 - Physical Quantities
In this video Paul Andersen shows conceptual thinking in a mini-lesson on physical quantities.
TERMS
Physical quantities - the properties of a material or system that can b
e measured
>Standard units
- Weight -...
TERMS
Physical quantities - the properties of a material or system that can b
e measured
>Standard units
- Weight -...
TED Talks
Leila Pirhaji: The medical potential of AI and metabolites
Many diseases are driven by metabolites -- small molecules in your body like fat, glucose and cholesterol -- but we don't know exactly what they are or how they work. Biotech entrepreneur and TED Fellow Leila Pirhaji shares her plan to...
SciShow
Meet the 4 Newest Elements
Four of the heaviest elements on the periodic table are finally getting names!
MinutePhysics
What Is The Shape of Space? (ft. PhD Comics)
Bozeman Science
Ideal Gas Law
In this video Paul Andersen explains how the pressure, volume, amount, and temperature of an ideal gas are related. Absolute zero of a gas can be determined by varying the temperature and measuring the corresponding volume of a gas...
Bozeman Science
Bond Length and Bond Energy
In this video Paul Andersen explains how the bond length and bond energy are calculated using an energy distance graph. The strength of the bond is determined by the charges in the constituent atoms. As the charge increases the bond...
Crash Course
Enthalpy: Crash Course Chemistry
Energy is like the bestest best friend ever and yet, most of the time we take it for granted. Hank feels bad for our friend and wants us to learn more about it so that we can understand what it's trying to tell us - like...
Be Smart
How the Meter Became The Meter
The meter is the world's ultimate measure, but how did it become "the" meter? What is this measurement based on? The story of this revolution in measurement traces its roots to the French Revolution. Scientists decided that an equal and...
TED Talks
Nalini Nadkarni: Life science in prison
Nalini Nadkarni challenges our perspective on trees and prisons -- she says both can be more dynamic than we think. Through a partnership with the state of Washington, she brings science classes and conservation programs to inmates, with...
TED Talks
TED: The secrets I find on the mysterious ocean floor | Laura Robinson
Hundreds of meters below the surface of the ocean, Laura Robinson probes the steep slopes of massive undersea mountains. She's on the hunt for thousand-year-old corals that she can test in a nuclear reactor to discover how the ocean...
TED Talks
Thomas Curran: Our dangerous obsession with perfectionism is getting worse
Social psychologist Thomas Curran explores how the pressure to be perfect -- in our social media feeds, in school, at work -- is driving a rise in mental illness, especially among young people. Learn more about the causes of this...
SciShow
π 'N' Science
It's pi day! Hank explains why this irrational number is important to scientists, and discusses a bit of a controversy that surrounds it.
SciShow
How Do We Measure the Distance of Stars?
It's School of YouTube Week! Comic Relief and YouTube are partnering to send students to school! The Bad Astronomer Phil Plait teaches Hank how to measure the distance to the stars.
Crash Course
Entropy: Embrace the Chaos! Crash Course Chemistry
Life is chaos and the universe tends toward disorder. But why? If you think about it, there are only a few ways for things to be arranged in an organized manner, but there are nearly infinite other ways for those same things to...
MinutePhysics
Our Ignorance About Gravity
Thanks to the Heising Simons Foundation ( for their support of this video, and of short range gravity research.
This...
This...