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Scientists have made a satisfying and intriguing physics discovery some 16 years after it was first predicted to be a possibility: aIn physics, mass generally refers to a property of particles that relates to things like their energy and resistance to movement. Yet not all mass is built the same – some describes the energy of a particle at rest, for example, while mass may also take into account the energy of a particle's motion.
"It turns out we had made the first observation of these wild quasiparticles that sometimes move like they have mass and sometimes move like they have none."when they made the discovery. It's where materials are studied via the infrared light reflections they give off, under the influence of a strong magnetic field.
"Imagine the particle is a tiny train confined to a network of tracks, which are the material's underlying electronic structure,"
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