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Delta ray


 

The term delta ray has these meanings:-

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  • In the real world, delta ray is a term that can been used for very fast electrons produced in quantity by alpha particles or other fast energetic charged particles knocking orbiting electrons out of atoms. Delta rays appear as branches in the main track of a cloud chamber.
  • In science fiction, the term delta ray has sometimes been used for an undefined fictional type of ray or radiation, sometimes come across as a hazard, sometimes used in energy weapons.
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