Ethan Siegel – Medium

Ethan Siegel

Published in
Starts With A Bang!

Ask Ethan: Do gravitons need to exist?

Electromagnetism, both nuclear forces, and even the Higgs force are mediated by known bosons. What about gravity? Does it require…

16h ago

Ask Ethan: Do gravitons need to exist?

16h ago

Published in
Starts With A Bang!

Gold, frankincense, and myrrh: one gift was made in a neutron star

When three wise men gifted baby Jesus with gold, frankincense, and myrrh, they had no idea one was made from colliding neutron stars.

1d ago

Gold, frankincense, and myrrh: one gift was made in a neutron star

1d ago

Published in
Starts With A Bang!

The 16 stories that shaped physics and astronomy in 2024

There was a lot of hype and a lot of nonsense, but also some profoundly major advances. Here are the biggest ones you may have missed.

2d ago

The 16 stories that shaped physics and astronomy in 2024

2d ago

Published in
Starts With A Bang!

Waves in an Impossible Sea: the 2024 science book of the year

Matt Strassler’s journey into fundamental physics culminates in a brilliant explanation of the Higgs field. Enjoy this exclusive interview.

3d ago

Waves in an Impossible Sea: the 2024 science book of the year

3d ago

Published in
Starts With A Bang!

The most important lesson from JWST’s “baby Milky Way”

The Firefly Sparkle galaxy was only spotted because of gravitational lensing’s effects. Yet galaxies like these brought us a visible…

4d ago

The most important lesson from JWST’s “baby Milky Way”

4d ago

Published in
Starts With A Bang!

Ask Ethan: Does quantum computation occur in parallel universes?

By improving quantum error correction, quantum computations are now faster than ever. But parallel universes? That’s utter nonsense here.

Dec 20

Ask Ethan: Does quantum computation occur in parallel universes?

Dec 20

Published in
Starts With A Bang!

The secret reason the USA beat the USSR to the Moon

Sixty years ago, the Soviet Union was way ahead of the USA in the space race. Then one critical event changed everything.

Dec 19

The secret reason the USA beat the USSR to the Moon

Dec 19

Published in
Starts With A Bang!

The quantum reason behind the solidity of matter

If atoms are mostly empty space, then why can’t two objects made of atoms simply pass through each other? Quantum physics explains why.

Dec 18

The quantum reason behind the solidity of matter

Dec 18

Published in
Starts With A Bang!

The Big Bang: a series of steps down an energy staircase

From a hot, dense, uniform state in its earliest moments, our entire known Universe arose. These unavoidable steps made it all possible.

Dec 17

The Big Bang: a series of steps down an energy staircase

Dec 17

Published in
Starts With A Bang!

How large is the biggest galaxy in the Universe?

It was barely a century ago that we thought the Milky Way encompassed the entirety of the Universe. Now? We’re not even a special galaxy.

Dec 16

How large is the biggest galaxy in the Universe?

Dec 16

Ethan Siegel

Ethan Siegel

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.

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