Short demo: The fan in a vacuum pushes air out, creating a system of low pressure. This in turn creates a system of low pressure within the bag, allowing for an entertaining demonstration of the power ...
Most robot headlines follow a familiar script: a machine masters one narrow trick in a controlled lab, then comes the bold promise that everything is about to change. I usually tune those stories out.
STUDENTS frequently find some difficulty in picturing lattice-planes in X-ray crystallography, and in their elucidation, apart from isometric drawings and models of crystal forms and lattices, ...