Engineering

Novel device to improve powder flow

Anyone who has tried to pour powdered sugar into a jar knows that sometimes beating the sides of the container or package is the only way to make it flow. That same process is used in making medicines and products such as ...

Energy & Green Tech

Battery-free 'smart' toys move closer to commercial reality

Rubber duckies could soon be at the forefront of an electronic revolution. In ACS Sustainable Chemistry & Engineering, scientists report they have used specialized nanogenerators that gather energy from mechanical vibrations ...