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Space-Time: The Biggest Problem in Physics
...the University of Pennsylvania, takes us on a journey through space-time to investigate what it’s made of, why it’s failing us, and where physics can go next. Emily Buder/Quanta Magazine...
Can Thermodynamics Go Quantum?
...might mean in the age of quantum mechanics. The principles of thermodynamics are cornerstones of our understanding of physics. But they were discovered in the era of steam-driven technology, long...
Novel Architecture Makes Neural Networks More Understandable
...Wetzel, a researcher at the Perimeter Institute for Theoretical Physics. “When we scale them up to larger data sets, nothing can compete.” And yet, all this time, neural networks have...
The First Nuclear Clock Will Test if Fundamental Constants Change
...the transition to observe whether the laws of physics vary over time, as predicted by many theories of fundamental physics. Thanks to an apparently accidental, nearly exact cancellation of two...
How the Higgs Field (Actually) Gives Mass to Elementary Particles
...physics, says the universe is filled with fields. Examples include the electromagnetic field, the gravitational field and the Higgs field itself. For each field, there’s a corresponding type of particle,...
Do We Need a New Theory of Gravity?
...is a professor of theoretical physics and the deputy head of the physics department at Imperial College London. Her research lies at the intersection of particle physics, gravity and cosmology....
Computer Scientists Prove That Heat Destroys Quantum Entanglement
...physics compete with the laws of thermodynamics, and things get messy. At very low temperatures, entanglement can spread over long distances, enveloping many atoms and giving rise to strange phenomena...
Diminishing Dark Energy May Evade the ‘Swampland’ of Impossible Universes
...physics, which has long predicted that space should be suffused with substantial amounts of energy. The quantum fields that permeate space fluctuate in strength, never staying exactly at zero; particles...
‘Metaphysical Experiments’ Probe Our Hidden Assumptions About Reality
...where previous work in physics let its metaphysics go unacknowledged, in Bell’s work the two were truly and explicitly inseparable. The theorem was not about any particular theory of physics....