The 3G Stepper from 3G Bikes is a bicycle that is powered by your vertical motion. Instead of peddling with your two feet like a normal human being, you stand upright and place your feet on two decks ...

For many, the crunch is viewed as an unavoidable staple of core training. The exercise has long stood as a gold standard for every beginner trying to get ripped and strong abs. But as our knowledge ...

In a previous post, I was trying to show that the range of a projectile depends on the launch angle. Yes, this isn't that too difficult to see in an introductory physics course, but how do you show ...

This content can also be viewed on the site it originates from. Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward ...