Mark Eichenlaub

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I'm a physics graduate student.


304 Answers

newest activity votes
119
A mirror flips left and right, but not up and down
42
What is the fallacy in this infinite motion machine?
36
Why doesn't the Moon fall upon Earth?
34
Why does the atmosphere rotate along with the earth?
27
What exactly is heat?
23
How efficient is an electric heater?
20
Fourier transformation in nature/natural physics?
18
An example which contradict to Newton's 3rd law?
16
How Does Mass Leave the Body When you Lose Weight?
16
Why the Principle of Least Action?
16
Why do we say that the earth moves around the sun?
15
What is the difference between implicit and explicit time dependence e.g. $\frac{\partial \rho}{\partial t}$ and $\frac{d \rho} {dt}$?
14
How does non-commutativity lead to uncertainty?
14
Can pockets of air exist underwater?
13
List of freely available physics books
12
Eyes open under water
12
Rotation angle of a giant lily when a child crawls on its rim
12
Rope tension question
12
Hamilton's Principle
11
Why is the speed of light defined as 299792458 m/s?
11
Deriving the speed of the propagation of a change in the Electromagnetic Field from Maxwell's Equations
11
Books that every physicist should read
10
What is the exact mechanism by which time dilates?
10
Why is moonlight less colourful than yellow light?
10
Is it possible to blur an image in such way that a person with sight problems could see it sharp?
10
Why is the Earth so fat?
10
Why there's a whirl when you drain the bathtub?
10
How do I develop an intuitive model of spacetime?
10
When displacement isn't possible
9
Can I survive a free fall using a ramp and a rope?
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