PBS
Electrons DO NOT Spin
Quantum mechanics has a lot of weird stuff - but there’s thing that everyone agrees that no one understands. I’m talking about quantum spin. Let’s find out how chasing this elusive little behavior of the electron led us to some of the...
Bozeman Science
Why Are Cells Small?
The lower half of Mr. Andersen's head explains why cells are small. This video begins with a simple geometry problem and ends with a discussion of Allen's Rule and reasoning for the microscopic nature of cells.
SciShow
How Climate Scientists Predict the Future
Over the years, scientists have made a lot of predictions about how Earth's climate is changing, but they don't just pull those predictions from thin air.
TED Talks
Neil MacGregor: 2600 years of history in one object
A clay cylinder covered in Akkadian cuneiform script, damaged and broken, the Cyrus Cylinder is a powerful symbol of religious tolerance and multi-culturalism. In this enthralling talk Neil MacGregor, Director of the British Museum,...
SciShow
Why Do Ribbons Curl?
Curly, festive ribbons are a delight, sure, but the physics behind HOW they curl is much more exciting!
SciShow
Why Isn't a Kilogram a Kilogram?
The kilogram is the basic unit of mass in the metric system, but there's a serious problem: the standard that defines how much mass a kilogram actually has isn't reliable anymore
TED Talks
TED: Inside an Antarctic time machine | Lee Hotz
Science columnist Lee Hotz describes a remarkable project at WAIS Divide, Antarctica, where a hardy team are drilling into ten-thousand-year-old ice to extract vital data on our changing climate.
SciShow
Fun With Potatoes & Physics! A SciShow Experiment
Hank uses a favorite subject of the YouTube community - the potato gun - to teach us about the principles of pneumatics, which use the potential energy of compressed gas to do work in lots of useful machines every day.
Bozeman Science
Thinking in Patterns - Level 4 - Patterns in Data
A mini-lesson about patterns in data.
3Blue1Brown
But WHY is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
TED Talks
TED: The playful wonderland behind great inventions | Steven Johnson
Necessity is the mother of invention, right? Well, not always. Steven Johnson shows us how some of the most transformative ideas and technologies, like the computer, didn't emerge out of necessity at all but instead from the strange...
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
Partial Pressures & Vapor Pressure: Crash Course Chemistry
This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas...
SciShow
5 Periodic Tables We Don't Use (And One We Do)
From Mendeleev’s original design to physicist-favorite “left-step” rendition, the periodic table of elements has gone through many iterations since it was first used to organize elements 150 years ago - each with its own useful insights...
SciShow
That Time We Gave Earth a Ring Made of Millions of Tiny Needles
In the 1960s, the USA almost put a ring around the Earth by launching hundreds of millions of tiny copper needles into space in an attempt to create a reliable boost for their communications systems.
Curated Video
Find Surface Area Cylinder
New ReviewA video entitled "Find Surface Area: Cylinder" which shows how to calculate the surface area of a cylinder using the formulas for area of a circle and area of a rectangle.
Curated Video
Volume Of Cylinders
New ReviewA video entitled "Volume of Cylinders" that covers how changing radius and height impact volume.
Curated Video
How to Draw Hands
Howcast - Learn how to draw hands from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.
Curated Video
How to Do the Paper Book Tower Experiment
Howcast - Learn how to do the paper book tower experiment with the instructions in this Howcast science project video.
Curated Video
How to Calculate Volume
Howcast -You can find the volume of various 3-D objects using a few simple mathematical formulas.
Curated Video
Types of Guns
Howcast -Learn about the different types of guns from Police Officer Keith Charley in this Howcast gun video.
Curated Video
Understanding the Parts of a Gun
Howcast -Learn about the different parts of a gun from Police Officer Keith Charley in this Howcast gun video.
Curated Video
How to Shoot a Smith & Wesson .357 Magnum
Howcast -Learn how to shoot a Smith & Wesson .357 Magnum from Police Officer Keith Charley in this Howcast gun video.
Curated Video
How to Oil a Gun
Howcast -Learn how to oil a gun from Police Officer Keith Charley in this Howcast gun video.