Labels:bulletin board | daily | encyclical | fence | sky OCR: said be between matter particles "real" virtual particles because tly detected particles. they canmot be they exist, particle detector. We however because they ise to forces measurable effect they ticles of spin betveen matter particles 0,1, or 2 do also exist when they circumstances as real par then appear can be directly detected. cist would call to us as what a classical gravitational waves, such as waves of be emitted waves. They may someti with each when matter particles int force. carrying other by ex- changing vir lectric particles. (For example lectrons due repulsive force between tons which can to the exchange of virtua never be directly detecte cannot somet hetveen detect
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