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Astronomy with a large helping of physics and a pinch of the other sciences.

Light can break Newton’s third law – by cheating

Isaac Newton just got cheated. Laser pulses have been made to accelerate themselves around loops of optical fibre, seeming to break the physicist’s law that every action must have an equal and opposite reaction. The work exploits a trick with light that only makes it appear to have mass, so it is a bit of a cheat, but it may one day lead to faster electronics and more reliable communications.

Continue reading via NewScientist

Light can break Newton’s third law – by cheating

Isaac Newton just got cheated. Laser pulses have been made to accelerate themselves around loops of optical fibre, seeming to break the physicist’s law that every action must have an equal and opposite reaction. The work exploits a trick with light that only makes it appear to have mass, so it is a bit of a cheat, but it may one day lead to faster electronics and more reliable communications.

Continue reading via NewScientist

— 6 months ago with 243 notes
#physics  #light  #Newton 
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