Kidney stones are solid deposits of minerals that can form in the kidneys, also known as renal calculi. They can be made up of various types of crystals, with the most abundant crystal determining the ...

There are several varieties of catapults throughout history, but all use similar concepts of physics to get the machine to work. The three main types of “catapults” are, the catapult, a ballista and ...

Students at KSU were getting ready for Halloween with the annual pumpkin launch. Teams of first-year mechanical engineering students design different types of catapults, launching 10-pound pumpkins ...