These are called non-contact forces. Gravity is the reason objects fall to the ground when we drop them. Gravity keeps us on the Earth’s surface and is the reason a ball kicked into the air ...

Great! So, what's gravity? Aaaah, gravity is the force that makes objects fall towards the ground. And, without gravity, we'd all float! Hmmmm… You're right! The force of gravity is weaker on ...

Stupid question, but […]” is a biweekly column answering the not-so-stupid questions that, at this point, we’re all too ...

The juggling balls feature a RGB LED, an Arduino pro mini, and some MPU’s. They can be programmed to change color based on acceleration, gravity, centripetal force, rotation, or even controlled ...