Here's a quick experiment. Take an object---just about any object will work---and place it on a flat surface. Give it a shove. I don't think anyone would be surprised to see the object speed up when ...

In today's episode, Shini tells us about Static and Kinetic friction. Why is it hard to move a heavy bookcase across a carpeted floor? And why is it easier to keep it moving than it was to get it ...

Here’s the rub with friction — scientists don’t really know how it works. Although humans have been harnessing its power since rubbing two sticks together to build the first fire, the physics of ...