WHAT YOU NEED: An apple, orange or lemon (these fruits float), a measuring jug ... the way until the upthrust equals the weight of the object and the object floats. Using upthrust to find the ...

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of elementary school physics canon. But the world is messier than a textbook. Scientists have sought to ...

"Where would the scale tip? On the left is a steel ball, on the right a ping-pong ball," Reddit user Veiy wrote, posing the conundrum. "I think the scale would raise to the right since the [buoyancy] ...

Despite appearances, the researchers aren’t waterbenders—it’s all grounded in physics. “Our findings are the first step in exploring how water waves can be shaped to move objects ...