SCIENCE
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Ask Ethan: Does space require dark energy in order to exist? | by Ethan Siegel | Starts With A Bang! | Sep, 2024
While we conventionally think of quantum physics as bringing an inherent uncertainty and “quantum-ness” to the particles that exist in…
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Why we’ll never shoot Earth’s garbage into the Sun | by Ethan Siegel | Starts With A Bang! | Sep, 2024
This illustration shows the Sun with a spacecraft, nominally the Parker Solar Probe, approaching it. In reality, the Parker Solar…
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Ask Ethan: Could a “copy” of me exist in the Multiverse? | by Ethan Siegel | Starts With A Bang! | Sep, 2024
The Many Worlds Interpretation of quantum mechanics holds that there are an infinite number of parallel universes that exist, holding…
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Why the electron’s mass is vital to life in the Universe | by Ethan Siegel | Starts With A Bang! | Sep, 2024
The traditional model of an atom, now more than 100 years old, is of a positively charged nucleus orbited by…
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Starts With A Bang Podcast #109 — Launching a galactic cone | by Ethan Siegel | Starts With A Bang! | Sep, 2024
This image shows galaxy NGC 3227, at left, with its neighbor NGC 3226, as viewed in optical light by the…
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Physics heresy: projectiles don’t actually make parabolas | by Ethan Siegel | Starts With A Bang! | Sep, 2024
Any object that’s fired upwards from Earth’s surface at a certain angle and with a specific initial speed will inevitably…
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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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