You push the pedal; the car slows to a stop. No matter whether you are the Hulk or a Legally Blonde 98-pound princess, you can bring a hurtling hunk of machinery to a halt with one foot. How is that ...

Probably everyone is familiar with the phenomenon: water drops cling to a pane of glass, if it is tilted out of the horizontal plane. Only when a certain angle is reached they slide off. This raises ...

Friction is an intrinsic physical phenomenon to curling. Without it, objects in motion would move endlessly, without slowing down. This would cause many safety-related problems: Cars or trains could ...