Participate in expert physics discussion. Discussion on the nature and properties of matter and energy. This area is for topics that don't fit the other categories. Mainstream physics only.
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Undergrad
Diffusion & Effusion: What Is It?
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High School
Why did my coffee foam over when I added milk?
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Undergrad
Error propagation and standard deviation
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Undergrad
Phasor Addition Explained - Wave Physics
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High School
How do you make neutral wire 'neutral'?
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High School
Pixel Size of TVs: OLED & LCD Explained
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Graduate
Kinetic energy of Himalayan plate
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High School
Gravity - Do atoms orbit humans ?
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High School
What Exactly is Conceptual Physics?
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High School
COM of Universe: Does it Mean Anything?
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High School
How Does a Cartoon Explain Potential Energy?
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Undergrad
How do I convert mass units in physics?
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Undergrad
Stripes in Kundt's tube experiment
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Undergrad
Why E=mc^2 is different from E=1/2 mv^2?
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Undergrad
Why don't humans glow in the dark?
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Graduate
Question about Helmholtz resonance
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High School
Vector multiplication and division
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High School
Why longitudinal waves are waves?
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High School
Direction of Vectors: North vs Northeast
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High School
Measuring Objects using Dissimilar Units
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High School
Calculate, not measure the value of c
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High School
Greatest Possible Uncertainty and Sig Figs
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High School
History of Error Bars in Physics
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High School
What Is the Harm in Using Finite dx in Calculus?
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High School
How do we know our laws of physics are correct?
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High School
Condensate around rocket spin? Why?
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High School
Is everything binary on macroscopic level
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Undergrad
Frozen fruit aggregates in hot porridge
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High School
How much should it cost to build an MRI Scanner?
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High School
Unit conventions (SI versus others)
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High School
How can I make my friend love physics?
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High School
How Long Will My Camping Battery Last?
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High School
Have you seen the Space Showers in Chicago?
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High School
Traffic Turbines - Free Energy or Cost Exchange?
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