While politics is generally seen as the domain of a civics class (and Craig did a great job of teaching US Government & Politics elsewhere on this channel!) it’s something that sociology is interested in too. Today we’re looking at the...

Does your toilet water drain differently than in the other hemisphere? Is it because of the Coriolis effect? Hank has some things to clarify about these questions, and more in this edition of I Don't Think It Means What You Think It Means.

In this video Paul Andersen explains how the center of mass of an object represents the average position of matter in an object. The center of mass of a system is a combination of all the objects within the system. As long as no...

Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it.

What are the origins of the Rorschach test and how does it work? Explore the inkblot tool psychologists use to test a subject’s perceptions and mental health. -- For nearly a century, ten inkblots have been used as an almost mystical...

The hottest and coldest temperatures in our universe are rarely witnessed, but in these rare spots, our understanding of physics is challenged. Weird things happen at extreme hot and absolute cold.

If you've spent any time trying to explode a pumpkin with rubber bands you know that they have a distinct smell to them when stretched, and you have physics to thank for that.

It's a big day for Jessi and Squeaks because they've finally finished their brand new observatory! Join them as they try out their new telescope and take a look back at a compilation of everything we've learned about space so far!

Modern computers are revolutionizing our lives, performing tasks unimaginable only decades ago. This was made possible by a long series of innovations, but there's one foundational invention that almost everything else relies upon: the...

In today’s episode we’ll explore thermodynamics and some of the ways it shows up in our daily lives. We’ll learn the zeroth law of thermodynamics, what it means to reach a thermal equilibrium, and define the first law of thermodynamics....

Humans’ experiences with ventilators have taught us that sighing isn’t just a way to express yourself: it’s a vital part of our everyday breathing.

Paul Andersen explains the current classification system that we use in Biology. He starts with a brief history of taxonomy. He explains how the goal of classification is to reflect evolutionary relationships. He then explains how...

The basic physics behind how rockets work!

Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.

From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing...

There's a concept that's crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee, why air leaks out of a punctured tire. It's entropy, and it's...

Transportation is a big part of our world and engineers play a big role in making it happen. Today we’ll explore how transportation systems are designed and some things transportation engineers have to take into consideration, like...

Cycles are a big deal in engineering. Today we’ll explain what they are and how they’re used in heat engines, refrigerators, and heat pumps. We’ll also discuss phase diagrams and the power of using renewable energy resources

Earthquakes are almost impossible to predict. Luckily, engineers have come up with some amazing ways to protect people the next time one might strike.

So we ended the last episode at the North American Video Game Crash of 1983, and even though the video game market had collapsed in the United States, demand for video games remained strong in Europe and Asia. Nintendo of Japan,...

In this video Paul Andersen explains how at the smallest level all matter is made of fundamental particles; including quarks, electron, photons and neutrinos. He explains how understanding the properties of these particles allows us to...

The hair on your scalp can get really long, but your leg hair doesn't sweep the floor. Why not?

In this video Paul Andersen explains how the energy in a closed system can be converted from kinetic to potential to kinetic energy. Sample problems and a simulation is contained.

In this video Paul Andersen explains how the mechanical energy added or removed from a system results from work. For work to occur a force must act parallel to the displacement of the system. Since work and energy are equivalent the...