Read this scenario and have a think about what may happen. The twins are pushing the box over a smooth surface and it is moving easily. What would happen if they try to push it over this surface?

Scientists released an update to a model that maps the ever-moving pole and has significant implications ... a fixed point ...

Mouse Pro Controller V1-3‘s main focus was to create the largest possible moving surface for an optical thumb mouse for precision aiming. However, [Tech Yesterday] found that one’s thumb doesn ...