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physical object > natural object > particle > hypothetical particle > tachyon

tachyon
subject			fact

tachyon	has definition Particle whose mass (squared) is negative; its presence in a theory generally yields inconsistencies.
	is a kind of hypothetical particle
hypothetical particle	has acceptance status hypothetical
particle	obeys uncertainty principle
	has frequency inversely proportional to the wavelength
	has wavelength inversely proportional to its momentum
	has charge
	has mass
physical object	has location or center of gravity
	has angular momentum
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

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