Description: Dropped coffee filters illustrate terminal velocity and the velocity dependence of the drag force. Drop a single coffee filter and note its motion. Drop two filters, nested, and compare.

Making coffee at home can save you big money, but make sure you're optimizing your brew for flavor and freshness.

Whether you are munching popcorn, chips, or even trail mix – the coffee filter catches crumbs and grease, making cleanup super easy. Plus, if you are hosting multiple guests, you can hand out several ...