anna v

Greece

Retired experimental particle physicist.

The picture is a fayum . It looks like aunts and cousins of mine :).

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Has a double slit experiment ever been done using a track chamber or even contemplated?

quantum-mechanics experimental-physics double-slit-experiment asked Jul 10, 2015 at 4:09

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21 votes

How does uranium from supernovae explosions end up in mineral veins in a planet?

geophysics asked Mar 18, 2011 at 5:35

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18 votes

Can energy be taken out of the QFT vacuum?

quantum-field-theory energy vacuum faq asked Jul 2, 2011 at 14:02

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16 votes

What is the status of existing measurements of the speed of gravity?

general-relativity astronomy gravitational-waves asked Oct 7, 2012 at 8:00

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13 votes

The recent results on Hubble constant measurements

cosmology hubble-constant asked Oct 27, 2019 at 15:06

astronomy.stackexchange.com

7 votes

Is there a different behavior between proton and antiproton beams at the Tevatron?

experimental-physics asked Feb 20, 2011 at 12:41

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6 votes

Detecting the electroweak unification in data of quark gluon plasma

particle-physics experimental-physics symmetry-breaking electroweak quark-gluon-plasma asked May 6, 2019 at 11:11

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Top Answers

212

Why don't electrons crash into the nuclei they "orbit"?

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151

When I walk down the stairs where does my potential energy go?

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100

Why are there only four fundamental interactions of nature?

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Why must a physical theory be mathematically self-consistent?

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Cooling a cup of coffee with help of a spoon

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Did the Big Bang happen at a point?

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Red shifted to what?

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Cause for spikes in Trinity nuclear bomb test

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In nuclear bomb explosions, witness describe their hands becoming transparent. How does that happen?

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What exactly is a photon?

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What stops us from creating a nuclear fusion reactor as we already have the hydrogen bomb working on the same principle of fusion?

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Why is it said that without quantum mechanics we would not have modern computers?

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Why do electrons absorb and re-emit photons?

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Is it wrong to say that an electron can be a wave?

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Why does a mirror reflect visible light but not gamma rays?

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What is this shadow being cast upon?

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Do we know why there is a speed limit in our universe?

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Do virtual particles actually physically exist?

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What is the evidence for a supermassive black hole at the center of Milky Way?

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Why do electrons, according to my textbook, exist forever?

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What actually is white light?

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Can a magnet rip protons from a nucleus?

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What is the evidence for 'billions of neutrinos pass through your body every second'?

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Does Gravity Really Exist?

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Why are protons, rather than electrons, the nucleus in atoms?

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If the moon had a mirror surface, would the earth be equally illuminated as by the sun during full moon, or would it require a different mirror shape?

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If spacetime itself is expanding, how could we ever tell?

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Why can't an electron be observed?

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Why is Anti-helium so important in the search for dark matter?

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Why does matter exist in 3 states (liquids, solid, gas)?

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