How to pronounce “neutron” in English

neutron, there are hundreds, maybe by now thousands, of other, unstable particles that arose in the exploration of the strong interaction

neutron star of course is not perfectly efficient the outer layers of the white dwarf are just blown off in this

neutrons.

neutrons and you see there are fewer neutrons the yellow guys than protons because the neutrons are heavier and they're decaying if you waited long

A neutron's behavior depends on where it is and what it has done before.

So neutrons are only stable in nuclei by that accident that the fact that the neutron-proton mass difference is so small, that when it falls into a nucleus,

The neutron was discovered in 1932.

A neutron-- OK, so protons, made of quarks.

and neutrons.

extra neutrons.

individual neutrons are not so you turn both protons and neutrons into helium

So a fast-moving neutron might have a 30% chance to scatter, a 50% chance to be absorbed or leave, and a 20% chance to cause fission.

But a slower-moving neutron would have different probabilities.

and so that neutron will then go and bombard another uranium nucleus, again opening that up and releasing uranium nucleus, again opening that up and releasing more heat and more of these neutrons.

So pulsar are neutron stars that have a magnetic field, and they're like a beacon in the sky.

And a teaspoon of neutron star matter weighs about as much as Mount Everest does.

And some of these neutron stars are in binary systems, so we can actually watch those binaries system orbits change because of the ticking clock sometimes moving away from us,

is that these neutron stars were radiating gravitational waves and spiraling in towards each other.

massive than a neutron star.

We know of binary neutron star mergers, we know of black holes that have merged to form larger black holes.

ate up a neutron star.

If I take a neutron here and hold it up, it will decay in 10 minutes.

So what's neutron decay?

And so the neutron has barely enough energy to decay.

And so the neutron follows the nucleus.

So the neutron gets lighter.

This a neutron and a proton, an electron, so it's a deuterium isotope of hydrogen.

It's like a neutron bomb.

could shoot a directed neutron beam at the contents.

has a fast neutron spectrum.

You have a neutron.

Take a neutron an empty space.

turn into neutrons and the white dwarf collapses to a neutron star neutrons remember are heavier than electrons

The photons and neutrons, because they have no electric charge, are unaffected, so they go straight through and are absorbed by shielding.

of enough neutrons are made such that the reaction is continuing, but not so many neutrons are made that it speeds up.

So it is the neutrons which are emitted from the nuclear reactions that has the energy which we want to harness.

The protons and neutrons form.

And when the neutrons gets in a nucleus, it no longer as-- its mass is too small to decay into these particles.

Those protons and neutrons are made of quarks.

The individual protons and neutrons are made of quarks, up and down quarks, which are held together with the strong nuclear force.

And protons and neutrons are baryons.

And those neutrons have a couple of purposes.

can release neutrons when fissioned and promote 232 thorium to becomes fissile U-233.

protons and neutrons that make us up can't be stacked on top of each other they take up space and therefore we take

called protons and neutrons because the protons and neutrons are heavy and they're sticking together they form a small dense nucleus at the center of the

together in protons and neutrons and then you have the two more mysterious bons you have the graviton well we

enough all the neutrons would have decayed away but instead the universe cooled down to the point where some of those neutrons could undergo nuclear

nuclei that's two neutrons and two protons and you have a whole bunch of free protons that didn't get captured

The computer started by randomly generating a neutron starting conditions and stepped through the chain to keep track of how many neutrons