Sustainability table: the latest version of the periodic table. (Courtesy: European Chemical Society) We do love an alternative periodic table here at Physics World, so I was chuffed to discover that ...

Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever. In a clever tabletop experiment, researchers at Leiden University in the ...

A force is a push or a pull that acts on an object due to the interaction with another object. Force is measured in newtons (N). Forces are divided into contact forces and non-contact forces. A force ...