How did we get here? Well, in terms of Atomic Chemistry, Hank takes us on a tour of the folks that were part of the long chain of other folks who helped us get to these deeper understandings of the world. From Leucippus to...

Learning to talk about chemistry can be like learning a foreign language, but Hank is here to help with some straightforward and simple rules to help you learn to speak Chemistrian like a native.



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The marriage of Orpheus, the greatest of all poets and musicians, to Eurydice, a wood nymph, was heralded as the perfect union. Anyone could tell the couple was deeply in love. So when their wedding ceremony ended in Eurydice's untimely...

In many ways, our memories make us who we are, helping us remember our past, learn and retain skills, and plan for the future. And for the computers that often act as extensions of ourselves, memory plays much the same role. Kanawat...

Mr. Andersen details the history of modern atomic theory.

Mr. Andersen shows you how to name covalent and ionic compounds.

In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...

So, how do those defibrillators you see on TV actually work? Surprise! Physics can explain! Okay buckle up, everyone! Today, Shini has the task of breaking down Electrical Potential Energy, Electric Potential, Voltage, Capacitors, Energy...

New ReviewIn this lesson, we explore the electric potential difference between two locations in the electric field of a point charge — one of the most essential concepts in AP Physics and introductory electrostatics. Using a positive point charge...

New ReviewIt's like it's flying!

New ReviewYou can hear it charging up!

New ReviewMore Van de Graaff generator fun!

New ReviewStuart Muszynski, co-founder and CEO of the Values in Action Foundation and creator of Kindland, shared the deeply personal story behind his lifelong mission to promote kindness. Inspired by his grandmother, a Jewish dentist in Poland...

Electric potential can feel abstract, but it doesn’t have to be! In this Flipping Physics lesson, Mr. P and the gang use gravitational potential energy to make sense of electric potential and electric potential energy. You’ll see how...

In this shorts video we will be writing a real world linear system. We will recognize that each equation in the given systems is written in slope-intercept form. We will understand that m represents the slope which is the unit rate in...

As tensions rose between Charles I and Parliament, the king ordered the arrest of five of his most outspoken critics. The attempt to execute this warrant on 4 January 1642 failed, with the members hearing of the king's intentions and...

In this video James Parsons reads the sentencing to death of Charles I during the English Civil War.

Electric potential is one of the most important ideas in electrostatics, and in this video, Mr. P from Flipping Physics clearly explains what electric potential is, how it differs from electric potential energy, and how to calculate it...

This video provides practical steps for individuals with criminal records to improve their chances during job interviews. It emphasizes the importance of taking responsibility for past actions, highlighting positive changes and...

This video emphasizes the importance of post-interview etiquette and provides tips on how to stand out in a positive way when following up with potential employers. It advises against overdoing gestures like sending extravagant gifts or...

This video provides an overview of how having a criminal record can impact your job search. It explains the importance of understanding what information is included in a background check, how charges and convictions can affect your...

The author Chuck Klosterman said, "Art and love are the same thing: It's the process of seeing yourself in things that are not you." This idea—that our identities are necessarily reflected in our art—runs through the veins...

There may be no right answer on how to grieve a loved one, but Michael G. Reagan has found a way to help.



Michael Reagan is a portrait artist and a Vietnam veteran. 13 years ago he started drawing portraits of the...

Howcast - If you have to put your pet up for a few days, make sure you get a kennel that's going to keep your pet healthy and happy.