imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...

Explore the simple machines behind Buffalo’s grain elevators and the physics that power them. Buffalo’s grain elevators changed the world! In this episode of Compact Science we uncover how a local ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Science kits are a great way to get kids curious about our world and beyond. After all, these kits have ...