Everyone needs some “go to” demos. Personally, I like this one. It’s not too difficult to build and it’s easy to use. Take a large block of wood (it needs to have a good mass). I used a left over ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. We're about halfway through the academic term at Union College, where I ...

Materials Needed: a piece of flannel which is clean and dry or paper towel, stream of water, flexible plastic ruler and a party balloon. In order for the stream of water to flow out, you need to open ...

Physics is a glorious brew of diverse ingredients. No single approach is sufficient when grappling with Nature. Experiment and observation are essential, of course, but so, too, are concepts, pictures ...

Numerical calculations are grand. Of course, they are just another form of normal calculations - like I have said before. So, I have mostly used [VPython](http ...

Materials Needed: A can of root beer, a can of diet root beer, a large container of water and a deep sink or a bathtub. This experiment number four on our list of simple physics experiments with ...