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High Energy Physics
When supermassive black holes merge, they emit more energy than anything else to occur in our Universe except the Big Bang.
Protons and neutrons are held together by the strong force: with 3 colors and 3 anticolors. So why are there only 8 gluons, and not 9?
When you combine the Uncertainty Principle with Einstein's famous equation, you get a mind-blowing result: Particles can come from nothing.
Are quantum fields real, or are they simply calculational tools? These 3 experiments show that if energy is real, so are quantum fields.
Recent measurements of subatomic particles don't match predictions stemming from the Standard Model.
It isn't just identical particles that can be entangled, but even those with fundamentally different properties interfere with each other.
The difference between predictions and observations of the magnetic properties of muons suggests a mystery for the Standard Model.
Quantum mechanics has taught us that even empty space contains energy. "Negative energy" is the state of having less energy than empty space.
For years and over three separate experiments, "lepton universality" appeared to violate the Standard Model. LHCb at last proved otherwise.
Every proton contains three quarks: two up and one down. But charm quarks, heavier than the proton itself, have been found inside. How?
IceCube just found an active galaxy in the nearby Universe, 47 million light-years away, through its neutrino emissions: a cosmic first.
Practically all of the matter we see and interact with is made of atoms, which are mostly empty space. Then why is reality so... solid?
1.9 billion years ago, a star's explosive death created a black hole. Its light just arrived at Earth. But did it set a cosmic record?
In our common experience, you can't get something for nothing. In the quantum realm, something really can emerge from nothing.
If your computer crashes, it might be due to a star that exploded somewhere in the Universe millions of years ago.
Magnetic monopoles began as a mere theoretical curiosity. They might hold the key to understanding so much more.
Lasers are all around you. This ubiquitous technology came from our understanding of quantum physics.
There's a speed limit to the Universe: the speed of light in a vacuum. Want to beat the speed of light? Try going through a medium!
Scientists have found three new examples of a very exotic form of matter made of quarks. They can yield insights into the early Universe.
The neutrino is the most ghostly, rarely-interacting particle in all the Standard Model. How well can we truly make "beams" out of them?
The way to understand the earliest moments of creation is to recreate those conditions and study them. Why would we stop now?
On July 4, we celebrate the tenth anniversary of the discovery of the Higgs boson, the missing piece of the Standard Model of particle physics.
Experiments cannot confirm what theory predicts about neutrinos. And particle physicists have no idea why.
Giant particle accelerators aren't a waste of money. They are essential for understanding the Universe.
A next-generation LHC++ could cost $100 billion. Here's why such a machine could end up being a massive waste of money.
In Sun-like stars, hydrogen gets fused into helium. In the Big Bang, hydrogen fusion also makes helium. But they aren't close to the same.