Everyone loves clouds. Although they are gigantic and beyond our reach, they inspire us with their wide variety of shapes. I mean, who hasn't played the game of guessing what a cloud looks like? Of ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. This article is more than 8 years old. My eight-year-old daughter, ...

Why are aeroplanes always this long, thin, pointy shape? Aaaah, so long and thin pointy objects travel through the air more easily than short and wide shapes? Hmmmm… You're right! Long thin pointed ...

In the ideal scenario of a bicycle wheel on a frictionless axle, there is no external torque acting on the wheel once it is set in motion. This is why it continues to spin at a constant angular ...