Ethan Siegel – Medium

Ethan Siegel

Published in
Starts With A Bang!

Ask Ethan: Does the multiverse explain our fundamental constants?

There are some 26 fundamental constants in nature, and their values enable our Universe to exist as it does. But where do they come from?

1d ago

Ask Ethan: Does the multiverse explain our fundamental constants?

1d ago

Published in
Starts With A Bang!

There are 7 states of matter; “topoconductor” isn’t one of them

Under extreme conditions, matter takes on properties that lead to remarkable, novel possibilities. Topological superconductors included.

2d ago

There are 7 states of matter; “topoconductor” isn’t one of them

2d ago

Published in
Starts With A Bang!

How JWST puts the squeeze on light dark matter, for free

One of the most promising dark matter candidates are light particles, like axions. With JWST, we can rule out many of those options…

3d ago

How JWST puts the squeeze on light dark matter, for free

3d ago

Published in
Starts With A Bang!

The truth about banning “dangerous gain-of-function” research

A new bill introduced into the US Senate claims to make us safer. Instead, it would destroy all virology research, and for no real cause.

4d ago

The truth about banning “dangerous gain-of-function” research

4d ago

Published in
Starts With A Bang!

How astronomers solved the “Zone of Avoidance” puzzle

Astronomers see spiral and elliptical nebulae nearly everywhere, except by the Milky Way’s plane. We didn’t know why until the 20th…

5d ago

How astronomers solved the “Zone of Avoidance” puzzle

5d ago

Published in
Starts With A Bang!

Ask Ethan: Does mass or energy increase near the speed of light?

Perhaps the most well-known equation in all of physics is Einstein’s E = mc². Does mass or energy increase, then, near the speed of light?

Mar 7

Ask Ethan: Does mass or energy increase near the speed of light?

Mar 7

Published in
Starts With A Bang!

4 key steps to transform the USA back into a scientific nation

We’ve wasted our time and resources ideologically policing and punishing each other for far too long. Here’s a better route to prosperity.

Mar 6

4 key steps to transform the USA back into a scientific nation

Mar 6

Published in
Starts With A Bang!

How charges and masses create the Universe around us

From the tiniest subatomic scales to the grandest cosmic structures of all, everything that exists depends on two things: charge and mass.

Mar 5

How charges and masses create the Universe around us

Mar 5

Published in
Starts With A Bang!

How mapping galaxies can teach us what the CMB can’t

The CMB gives us critical information about our cosmic past. But it doesn’t give us everything, and galaxy mapping can fill in a key gap.

Mar 4

How mapping galaxies can teach us what the CMB can’t

Mar 4

Published in
Starts With A Bang!

Hubble completes the largest galactic mosaic of all-time

The full extent of the Andromeda galaxy, the nearest large galaxy to our own, has been entirely imaged with Hubble’s exquisite cameras.

Mar 3

Hubble completes the largest galactic mosaic of all-time

Mar 3

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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