SCIENCE
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The one cosmic secret that demands a new particle collider | by Ethan Siegel | Starts With A Bang! | Sep, 2024
This illustration shows a hypothetical ring around the Earth, which could represent a particle accelerator even larger than the Earth’s…
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Ask Ethan: Why are inertial and gravitational mass equivalent? | by Ethan Siegel | Starts With A Bang! | Sep, 2024
Here on Earth, in the gravitational field of our planet, there is no way to “shield” ourselves from the gravitational…
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Official verdict: JWST’s early galaxies didn’t break cosmology | by Ethan Siegel | Starts With A Bang! | Sep, 2024
This region of space, viewed first iconically by Hubble and later by JWST, shows an animation that switches between the…
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Ask Ethan: Why don’t we feel the Universe’s expansion accelerating? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
The expanding Universe, full of galaxies and the complex structure we observe today, arose from a smaller, hotter, denser, more…
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What is the origin of quantum uncertainty? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
Today, the Universe has evolved into the complex, life-friendly place we know it to be because we were able to…
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Why do we count the Universe’s age from 13.8 billion years ago? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
If you look farther and farther away, you also look farther and farther into the past. If the number of…
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If the Big Bang wasn’t the first thing ever, what caused it? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
The expanding Universe, full of galaxies and the complex structure we observe today, arose from a smaller, hotter, denser, more…
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Relativity: the oldest physics principle that’s still correct | by Ethan Siegel | Starts With A Bang! | Aug, 2024
This 1847 painting, known as Galileo before the Holy Office, depicts Galileo during his trial for blasphemy by the Catholic…
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Ask Ethan: Could we build a collider bigger than Earth? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
Particle accelerators can either be linear, where magnets collimate beams of particles while electric fields accelerate them, or circular, where…
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How a failed experiment led to Einstein’s first big revolution | by Ethan Siegel | Starts With A Bang! | Aug, 2024
The longer a photon’s wavelength is, the lower in energy it is. But all photons, regardless of wavelength/energy, move at…
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