Natural materials may refract light to the right of an (incident beam).Logical formLearned from3 sentences. A (x-ray beam) may undergo a use.Logical formLearned from3 sentences. A beam may act.Logical formLearned from3 sentences. A beam may undergo a distribution.Logical formLearned from3 sentences. A (time difference) can be between an emission of a (laser beam).Logical formLearned from3 sentences. A (laser beam) can be toward the earth.Logical formLearned from3 sentences. A (laser beam) may move.Logical formLearned from3 sentences. Researcher may send a beam of electrons.Logical formLearned from3 sentences. Beams may be seen.Logical formLearned from3 sentences. Beams can be unwanted.Logical formLearned from3 sentences. A (laser beam) can be in a plasma.Logical formLearned from3 sentences. A light beam may be focussed to a spot.Logical formLearned from3 sentences. A combination of (laser beams) may be used in a US-city.Logical formLearned from3 sentences. Beams can be harmonic.Logical formLearned from3 sentences. A beam may highlight data.Logical formLearned from3 sentences.