may refer to:
, Skates And Sawfish ('''Batoidea''') , a superorder of generally flat-bodied Cartilaginous Fish es,
containing more than 500 described species in thirteen families.
- --- Electromagnetic Radiation , energy in the form of electromagnetic waves or Photon s
-- Non-ionizing Radiation —— (all the rest is Ionizing Radiation or not defined in such terms)
- Radio Waves
- Microwave Radiation , familiar to those who use microwave ovens.
- Infrared Radiation (IR), produced by Heat
- Visible Light
Sunlight
--- Anticrepuscular Rays
--- Crepuscular Rays
- Ultraviolet Radiation (UV)
- Terahertz Radiation or T-ray s
- Solar Radiation (mostly visible light, UV and IR)
-- X-ray s, form of electromagnetic radiation with a wavelength in the range of 10 to 0.01 nanometres
-- Gamma Radiation , energetic form of electromagnetic radiation produced by Radioactivity or other nuclear or subatomic processes
- --- Particle Radiation , energy in the form of moving subatomic particles
-- Alpha Radiation , composed of the Nuclei of Helium-4 atoms
-- Beta Radiation , consisting of energetic Electron s or Positron s
-- Delta Radiation , consisting of recoil particles that causes secondary ionization
-- Epsilon Radiation , consisting of electrons
-- Neutron Radiation , consisting of Neutron s
-- Cosmic Ray s
-- Cathode Ray s, streams of electrons observed in vacuum tubes
-- Anode/Canal Rays
- --- Gravitational Radiation , a predicted consequence of General Relativity
- --- N Ray , phenomenon described by French scientist René-Prosper Blondlot but subsequently found to be illusory
- --- Ray (optics) , idealized narrow beam of light
- Ray , or half-line, in geometry or physics
- Ray Beams , an Eureka Seven character
- Heat-Ray , the primary offensive weapon used by the Martians in the H. G. Wells's classic science fiction novel ''The War of the Worlds''
- Metal Gear RAY , bipedal tank featured in the game ''Metal Gear Solid 2''
- Ray Bradoc , character from the game ''Breath of Fire 2''
- Ray Kinsella , main character in the film ''Field of Dreams''
- Ray Kon , character in the anime and game ''Beyblade''
- The Ray (comics) , DC Comics character
- T-Ray (comics) , Marvel Comics character
- Raymond Stantz , character in the film '' Ghostbusters ''
- Raymond Vecchio and Stanley Raymond Kowalski (aka Ray Vecchio, but just generally called "Ray") are both main characters in the TV show '' Due South ''
- Ray The Flying Squirrel , a minor character appearing in the Sonic The Hedgehog series of games.
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