Say we consider a simple experiment of balancing a wooden rod on two fingers. The finger on the left, (1), will remain stationary, whereas the finger on the right, (2), will be moved toward the left.

Beth Harris, a Raleigh mom and long-time science educator, returns with a fun and easy experiment where kids can test their strength with friction. Beth Harris, long-time science educator, Raleigh mom ...

Experiments demonstrate the breakdown of one of the basic laws of friction at the atomic scale, where more slippery conditions prevail. Friction under the microscope. This scanning electron microscope ...