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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High School
Can Neon Signs Emit Harmful X-Ray Radiation?
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High School
Why don't humans orbit the Earth?
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High School
Why isn't the Earth's core a gas?
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Undergrad
Experimenting to Answer Research Q's
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High School
Why are things the color they are?
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High School
A question about why gravity is only attractive
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High School
Can Himalayan Salt Dissolve in Candle Wax?
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Graduate
UAP Report and the Standard Model
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High School
Power surge video - why does the spark travel?
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High School
Beam of air: Extending the range of a fan
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High School
Space propulsion without mass ejecting
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Undergrad
Designing parabolic dish and feedhorn
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High School
What can I say about this dentist light lens?
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High School
What if I could see in radio instead of light?
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Undergrad
Gage Block Physics: Is It Understood?
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Undergrad
The role of mathematics in physics
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Graduate
Physical Meaning of Time Inverse
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High School
Why can't we just recycle polluted air?
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Undergrad
Ideas from previous Nobel prize winners
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Undergrad
A problem with science media coverage
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High School
Are these actually real electrons?
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Undergrad
Propagation of uncertainty in the slope
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Graduate
COMSOL Multiphysics- Mathematics
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