In 2015, two men drove a Volkswagen across the US on just over 100 gallons of fuel. Their 81-mile-per-gallon performance doubled the car's estimated fuel rating, and set the record for the lowest fuel consumption ride of a diesel car....

What happens if you extend a piston through a portal? Or try to sandwich a cube between two portals? That's right, it's time to explore more portal paradoxes!

Are you slowly killing your car by using below average gas? Olivia talks about octane ratings and how your vehicle is designed to handle them. Hosted by: Olivia Gordon

The physics of the perfect storm

Today we continue our tour through the major fields of engineering with a look at mechanical engineering, beginning with the steam engine. We’ll discuss aircraft, the development of aerospace engineering, and take a look into the future...

Hank and the gang return with SciShow Quiz Show, where Sci Show's resident geniuses compete to win prizes for our subscribers!

Was an incredible drop in entropy responsible for the Big Bang? If that's the case, this would lead us to conclude that a great many other things are possible, including the likelihood that you are a Boltzmann Brain.

Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.

Are you slowly killing your car by using below average gas? Olivia talks about octane ratings and how your vehicle is designed to handle them.

Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of thermodynamics! In this episode of Crash Course...

In this video Paul Andersen explains how the work is a product of the external force applied to an object or system and the distance it moves. Power is a measure of the amount of work done per unit time. The work can be calculated as...

In this video Paul Andersen explains how energy can be transferred from one system to another. In a closed system the energy can be transferred as either work or heat. Thermal energy transfer is know as energy transfer through heat. ...

Discover how Pascal’s Law makes it possible to lift massive weights with a small force! 🌊 This lesson explores the principle of pressure transmission in fluids, derivation of key formulas, force multiplication using pistons, and...

Howcast -Learn how to assemble a Desert Eagle .44 from Police Officer Keith Charley in this Howcast gun video.

Learn how spring airsoft guns work in this Howcast video featuring airsoft experts Payton Kemper and Josh Meyer.

Learn how airsoft guns work in this Howcast video featuring airsoft experts Payton Kemper and Josh Meyer.

The dump truck helped the excavator at the construction site - it took away the excess earth remaining from the foundation pit. But the truck body stopped lowering... Doctor MacWheelie is already waiting for us in his repair shop to find...

Discusses equilibrium in gaseous reactions and the role of partial pressures

Electronic pressure switches explained. Learn how electronic pressure switches work, strain gauge, mechanical pressure switches, electronics, wheatstone brdge<br/>

How do Starter motors work?

In this video, Mike machines a tiny Stirling engine on a miniature lathe - to our knowledge, this is the smallest beam Stirling engine that has been published to date.

Let's learn how Learn how car engines work!

The earliest versions of The Steam Engine date back to Roman Egypt. But It wasn’t until advancements in the design by inventors like Thomas Savery and Thomas Newcomen, that the power of steam transformed the world. Based on an earlier...

Dangerous Toys - Gas Powered Pogo Stick from 1960's