neutron

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An Atom in the Universe

“The atoms come into my brain, dance a dance, and then go out – there are always new atoms, but always doing the same dance, remembering what the dance was yesterday.” -Richard Feynman Here you are, a human being, a grand Universe of atoms that have organized themselves into simple monomers, assembled together into giant…

The Strong Force for Beginners

“I found I could say things with color and shapes that I couldn’t say any other way — things I had no words for.” -Georgia O’Keeffe When it comes to the Universe, it isn’t just the stuff that’s in it that’s important. It’s also how all that stuff interacts with itself and everything else. To…

How “Quantum” is the Big Bang?

There is a very techincal paper this morning by Martin Bojowald that asks the question, How Quantum Is The Big Bang? Let me break it down for you. If you took a look at empty space and zoomed in on it, looking at spaces so small that they made a proton look like a basketball,…

Why are Brown Dwarfs so Dim?

Ahh, stars. Giant furnaces of nuclear fusion. Doing the stuff our Sun does, burning hydrogen fuel into helium (among other things) and emitting lots of visible light and energy in the process. But when we take a look at brown dwarfs, they aren’t like normal (i.e., main sequence) stars like our Sun. Instead of burning…