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String Theory Meets Loop Quantum Gravity
...all known particles have yet-undiscovered partners. Supersymmetry isn’t a feature of LQG. These and other differences have split the theoretical physics community into deeply divergent camps. “Conferences have segregated,” said...
New Measurement Deepens Proton Puzzle
...times as heavy but otherwise identical. It’s as if the proton tightens its belt in the muon’s presence. And yet, according to the reigning theory of particle physics, the proton...
A Seeker of Dark Matter’s Hidden Light
...was introduced to a new young professor in the astrophysics department named Doug Finkbeiner. And Doug at that time was looking for a student with some particle physics training. I...
Robbert Dijkgraaf on Exploring Quantum Reality
...at the physics books and I’m not burdened in any way that this is my career.” And I remember picking up a few books of physics, well, that’s so wonderful,...
Search Escalates for Key to Why Matter Exists
...it as Selenium-76. The chemical decay could present a solution to one of the biggest mysteries in physics: why there is something rather than nothing in the universe. Among the...
In LHC’s Shadow, America’s Collider Awakens
...the plasma’s peculiar mathematical relationship to black holes, have revealed that it is an almost “perfect” liquid, possessing the lowest viscosity (or internal friction) allowed by quantum physics. A monitor...
‘Penguin’ Anomaly Hints at Missing Particles
...governed particle physics for 40 years. “What we find is that this anomaly has persisted,” said Guy Wilkinson, a physicist at the University of Oxford and the spokesperson for the...
Solid or Liquid? Physicists Redefine States of Matter
...physics textbooks say. The atomic patterns in quasicrystals like this model of an aluminium-palladium-manganese surface exhibit order, but never repeat. But this long-accepted explanation for the rigidity of solids fails...
Dark Energy Tested on a Tabletop
...physics,” said Burrage. “Pretty much anytime you want to go beyond that, the new physics you try and introduce gives you new scalar fields.” Scalar fields could produce dark energy...