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    • What is the strong force?

      What is the strong force?

      Live Science via Yahoo News· 8 months ago

      Protons, made of three quarks, colliding The strong force or strong nuclear force is one of the four fundamental forces of nature, along with gravity,...

    • Why do magnets have north and south poles?

      Why do magnets have north and south poles?

      Live Science via Yahoo News· 12 months ago

      Red and blue bar magnet or physics magnetic with iron powder magnetic field on white background. Cutting a bar magnet in half won't get rid of its poles....