CoolStuff Blog

Aside from the Newton’s Cradle and the Faith in Physics pendulum, there are not very many well known energy and momentum demonstrations. In this video and article I write to resolve this. I have especially focused on energy because those...

This video is a collection of demonstrations that are either original or very rare – and you should be doing them. They come from many physics demonstrations that I have developed over the years. Of course, there are more than...

Featured Products A Better Way of Demonstrating Rotational Inertia  Have you ever struggled to describe Rotational Inertia to your students? Even worse, have you ever struggled to understand Rotational Inertia yourself? Did you know Rotational Inertia is the same as...

Featured Products Reflection, Diffraction, Diffraction & Interference...That's COOL! The Mini Ripple Tank is a great way to address the wave-energy standards and to teach about the properties of waves by showing how water waves behave. This is in keeping with...

Newton’s Principia Mathematica, the book published in 1687, contains Newton’s three laws of motion. Most people think he wrote it to explain forces on blocks, falling stones, and pulleys. But that’s not true. The purpose of the book was to...

Featured Products Calories From a Heat Pack This article was written with the intention to focus on middle school science experiments, however, I would not be surprised if high school teachers of physics and chemistry also benefit from it. How...

Featured Products Five Demonstrations for the First Day of Class! On the first day of school, it is a good idea to show a demonstration that gets students thinking and sets the stage for what the class is going to...

Featured Products Three Right Hand Rules of Electromagnetism Teaching electricity and magnetism is complicated by the challenge that the magnetic forces are perpendicular to the motion of the particles and currents. This requires a three-dimensional perspective which can introduce a...

Featured Products The Physics of a Roller Coaster Loop Each year millions of people will visit amusement parks in order to ride some of the fastest, highest, most extreme roller coasters. These machines thrill us because of their ability to...

Featured Products Demonstration of The Photoelectric Effect! In 1905 Albert Einstein had his miracle year, publishing 5 papers, including the Special Theory of Relativity, the Mathematical Description of Brownian Motion, and the E=mc2 formula. One of these papers was titled...

Featured Products Powering Imagination and Creativity OneCar at a Time The OneCar is Arbor Scientific's answer to the various needs of STEM Educators. It is an open-ended, creativity-driven approach to science teaching that addresses cross-cutting concepts and offers an opportunity...

If you are talking about optics in the classroom and students are learning about how light waves behave, take a look at the blue-violet laser, which produces wavelengths at 405 nm. Featured Products Cool Stuff Demos with Violet Lasers "I definitely...