Yes.Ooh! Good catch.But what exactly is gravity? Gravity is a force of attraction between any two objects.When you let go of the apple, it's pulled down towardsthe centre of the Earth. No matter ...

Back in 1687, Sir Isaac Newton realised that the size of the force of gravity depends on two things: the mass of the two objects and the distance between the two objects. He found that ...

Computer simulations of the ALPHA-g set-up indicate that this operation – for matter – would result in about 20% of the atoms exiting through the top of the trap and 80% through the bottom, a ...