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Is dark matter s nightmare scenario true?

Where does the mass of a proton come from? (Synopsis)

"Resistance to the organized mass can be effected only by the man who is as well organized in his individuality as the mass itself." -Carl Jung If you divide the matter we know into progressively smaller and smaller components, you’d find that atomic nuclei, made of protons and neutrons, compose the overwhelming majority of the mass we understand. But if you look inside each nucleon, you find that its constituents quarks and gluons account for less than 0.2% of their total mass.

Comments of the Week #49: from the Big Bang to a bottomless pit

“In this land of ours, there are many great pits. But none more bottomless than the bottomless pit. Which, as you can see here, is bottomless.” -Grunkle Stan, Gravity Falls After another week of fun-filled stories about the Universe here at Starts With A Bang, it's time to take a look back at everything we've said, as well as everything you've said in response. If you missed anything (or simply want a second look), here's what we've covered over the past week:

Of Lifetimes and Linewidths | Measuring in Reflection

Today Quanta published an explainer I wrote on the subject of resonance. Regular readers of this irregularly maintained blog will know that resonance is among my favorite topics in physics.

The Rise and Fall of Supersymmetry

“Supposedly she’d died, but here she was again–somewhat changed, but you couldn’t kill her. Not when the truest part of her hadn’t even been born.” -Denis Johnson Over the past 100 years, our picture of the Universe has changed dramatically, on both the largest scales and the smallest.

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