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The Mystery of Neutrino Mass

How do neutrinos acquire mass if not from the Higgs field? Why are neutrinos different to other particles? How has the problem of neutrino mass been tackled?

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The Mystery of Neutrino Mass

The standard model of particle physics is, perhaps ironically, written in the language of quantum field theory. Particles manifest as a consequence of the oscillatory motion of the associated fields. All known fermions, particles with half-integral spin such as the electron and the quarks, are massive particles. Fermion mass is a direct consequence of theContinue reading “The Mystery of Neutrino Mass”

Space Debris

Just 40% of the total satellites that orbit the Earth are active, whilst the remaining 60% amount to useless metal shooting around the planet at speeds of 28,000kph, ten times faster than the speed of a bullet. However, inactive satellites are just a small fraction of the problem. Russia recently destroyed one of its ownContinue reading “Space Debris”

Excitons

Condensed matter describes the state in which a large number of particles assemble to form a macroscopic system. Complex interactions can arise from collective phenomena within such an ensemble. In a crystalline solid, energy and momentum are transferred via exotic processes that can be accurately modelled as the propagation of subatomic particles with altered properties.Continue reading “Excitons”

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