Be Smart
What's The Loudest Possible Sound?
What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video you'll learn what makes sound
SciShow
What If the Universe Was Shaped Like a Donut?
The universe could be a donut in a fourth spatial dimension. Which would mean that we could potentially see our own galaxy repeated from the past... Our 3D brains aren't ready for this.
Crash Course
Electric Fields: Crash Course Physics
As we learn more about electricity, we have to talk about fields. Electric fields may seem complicated, but they're really fascinating and a crucial part of physics. In this episode of Crash Course Physics, Shini chats about capacitors,...
Bozeman Science
Electric Field of a Dipole
In this video Paul Andersen explains how vector addition can be used to determine the electric field of a dipole.
Bozeman Science
Coulomb's Law
In this video Paul Andersen explains how we can use Coulomb's law to predict the structure of atoms. These predictions can be verified through the use of Photoelectron Spectroscopy (PES). Electron's are help around the nucleus because of...
3Blue1Brown
Why slicing a cone gives an ellipse
A beautiful proof of why slicing a cone gives an ellipse.
3Blue1Brown
Ever wondered why slicing a cone gives an ellipse? It’s wonderfully clever!
A beautiful proof of why slicing a cone gives an ellipse.
SciShow
How Big Is the Universe?
We all know that the universe is mind-bogglingly gigantic, but how *exactly* mind-bogglingly gigantic is it? Let Hank fill you in on the details that scientists have worked out!
SciShow
Rogue Planet Discovered!
Today Hank brings us the news of a unique astronomical discovery - a rogue planet. He also allays our fears of an apocalyptic collision with Earth. So, this new planet is awesome, but it needs a different name - CFBDSIR...
Bozeman Science
ESS2A - Earth Materials and Systems
In this video Paul Andersen describes the four major spheres on planet Earth. The geosphere makes up the mass of the planet and includes the major landforms. The hydrosphere is all of the water and the atmosphere is all of the gases. The...
Crash Course Kids
Let's Take a Hike
Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and...
Crash Course Kids
Four Spheres Part 1 (Geo and Bio)
In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere. What's in these spheres? How do they affect us? How do they fit into the puzzle that is Earth?...
Crash Course Kids
Four Spheres Part 2 (Hydro and Atmo)
The second part of our two part tale of the puzzle that is Earth. In this episode, Sabrina talks about the Hydrosphere and the Atmosphere and what is contained in each one. Let's dive in!!! This first series is based on 5th grade...
Crash Course Kids
What On Earth
We've already talked about how the Earth is divided into four spheres (The Hydrosphere, the Biosphere, the Geosphere, and the Atmosphere). But, how do these different sphere interact with each other? In this episode of Crash Course Kids,...
Curated Video
Top 10 Ways to GET ATTENTION
If you want people to listen to you; you have first to get their attention, and then hold it. Here's how. Speaking so people listen starts before you open your mouth, when people decide whether you are someone who is likely to be worth...
Curated Video
Surface tension
The cohesive force that occurs at the surface of a liquid, due to the attractive forces between molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Cubist Art
How Cubist artists used geometry to represent a form in its purest way using geometric shapes such as the cone, cylinder and sphere. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Factpack: Structure of the Atom
The different ways scientists have explained the structure of the atom, and how it has changed throughout history. Chemistry - Atoms And Bonding - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt...
Curated Video
Measuring the Earth
The story of how a Persian scholar calculated the Earth's circumference over 1000 years ago, using only a mountain and trigonometry. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
The Pacific Flyer
How Richard Branson's team created the world's largest hot air balloon in order to undertake a daring crossing of the Pacific Ocean. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
Why Are Eggs Egg-Shaped?
The structural soundness of ovoids and the added properties that make them the ideal shape to hold life in the natural world. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films...
Curated Video
The Power of the Sun
How do we know how powerful the Sun's energy is from here on Earth? Measuring the surface area of an imaginary giant sphere holds the answer. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
Proofs: Million-Dollar Maths
Some mathematical problems are considered so important that a prize fund exists for anyone who can solve them. Revealing the seven Millennium Prize Problems: find proof of these, and you could net $1million. But why did one hermit turn...