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 ...

The simplest questions are often the best. Robert P Crease tries to answer one from a physics student in Kenya Seeking perfection Tennis balls are a low-cost way to explore simple physics concepts, ...

If your kids are home for the summer, either entirely or in amounts you didn't previously anticipate, they might be looking for something to do. Or you may be looking for something for them to do.