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Learn more »It has long been recognised that there are four “fundamental forces” which govern nature.
The substance of our universe is pulled together, or pushed apart by these forces which are determined by the fact they do not appear to be reducible to more basic interactions between particles.
They include the gravitational and electromagnetic forces, which produce significant long-range interactions whose effects can be seen directly in everyday life.
And they also include forces known as the strong interactions and weak interactions, which produce forces at tiny, subatomic distances and...