Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

Making electrons flow like a liquid is difficult, but inside graphene researchers forced them to move so fast that they ...

Wind is one of the most impactful forms of weather. A change in air pressure can create wind. The wind will become stronger as the pressure difference increases. Wind and air pressure are very ...