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Why Gravity Is Not Like the Other Forces
...these possibilities remain conjectural and incompletely understood. A working quantum theory of gravity is perhaps the loftiest goal in physics today. What is it that makes gravity unique? What’s different...
Neutrinos Suggest Solution to Mystery of Universe’s Existence
...Model of particle physics, every particle has a mirror-image particle that carries the opposite electrical charge — an antimatter particle. When matter and antimatter particles collide, they annihilate in a...
Physicists Use Quantum Mechanics to Pull Energy out of Nothing
...battery — but all he has access to is empty space. Fortunately, his friend Alice has a fully equipped physics lab in a far-off location. Alice measures the field in...
Evidence Found for a New Fundamental Particle
...neutrino physicist at the Massachusetts Institute of Technology and a member of the MiniBooNE collaboration. The existence of a sterile neutrino would revolutionize physics from the smallest to the largest...
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...
Analog vs. Digital: The Race Is On To Simulate Our Quantum Universe
...can solve the equations of physics only at those points, circumventing the impossible task of simulating a field’s true infinite resolution. But even with this approximation, classical computer simulations hit...
Singularities in Space-Time Prove Hard to Kill
...relativity and quantum physics, singularities are proving hard to erase. The British mathematical physicist Roger Penrose won the Nobel Prize in Physics for proving in the 1960s that singularities would...
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,...
The Sun Is Stranger Than Astrophysicists Imagined
The sun radiates far more high-frequency light than expected, raising questions about unknown features of the sun’s magnetic field and the possibility of even more exotic physics. A decade’s worth...