Changes

===About Mass-Energy Equivalence===

: [[Proton]]s and [[neutron]]s bound in the [[Atomic Nucleus|nucleus]] have less [[mass]] than free [[proton]]s and free [[neutron]]s as [[energy]] is released when the [[nucleon]]s [[Binding Energy|bind]] together.

: In a [[Particle Accelerator|particle accelerator]], [[Subatomic Particle|particles]] are given so much [[Kinetic Energy Store|kinetic energy]] that when the [[collide]] with [[Subatomic Particle|particles]] travelling the opposite direction much of that [[energy]] can become [[mass]] causing the production of new [[Subatomic Particle|particles]].