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 ...

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, ...

We're about halfway through the academic term at Union College, where I'm teaching introductory Newtonian physics using the Matter and Interactions curriculum. We just hit one of my favorite topics ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Materials Needed: Condiment packet and a two-liter bottle. The first step of this experiment is to place the condiment packet in the bottle, fill it up to the top and screw the top. The packet needs ...