SCIENCE
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What do unexpected experimental results actually tell us? | by Ethan Siegel | Starts With A Bang! | Sep, 2024
A view from above of the BES III detector at the electron-positron collider in Beijing, China. Exotic particles have newly…
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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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It’s important that weight and mass are not the same | by Ethan Siegel | Starts With A Bang! | Sep, 2024
If you take a 1 kg mass and place it on the surface of the Earth, it will register 2.2…
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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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Why haven’t we detected a signal from intelligent aliens yet? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
Intelligent aliens, if they exist in the galaxy or the Universe, might be detectable from a variety of signals: electromagnetic,…
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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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Is it true that photons truly live forever? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
By firing a pulse of light at a semi-transparent/semi-reflective thin medium, researchers can measure the time it must take for…
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Our cosmic home is typical for stars, but not for galaxies | by Ethan Siegel | Starts With A Bang! | Aug, 2024
This view of the Hercules galaxy cluster showcases an enormous number of large, massive galaxies clustered together in a single…
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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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Einstein’s big insight that explained Newton’s law of gravity | by Ethan Siegel | Starts With A Bang! | Aug, 2024
There may never be another Einstein or another Newton, but we can all learn to utilize their equations under the…
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