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Top Questions
138
votes
How can you weigh your own head in an accurate way?
mass
everyday-life
measurement
home-experiment
asked Jul 12, 2013 at 8:51
physics.stackexchange.com
100
votes
Are Newton's "laws" of motion laws or definitions of force and mass?
newtonian-mechanics
forces
mass
definition
asked Jul 6, 2013 at 16:38
physics.stackexchange.com
22
votes
Redundant zeros
students-mistakes
real-numbers
asked Apr 2, 2014 at 22:24
matheducators.stackexchange.com
21
votes
Colors to use with black background?
website-design
black
asked Aug 11, 2013 at 8:55
graphicdesign.stackexchange.com
14
votes
Babel: Part names in French for 20+ (more than twenty)
parts
asked Mar 4, 2020 at 22:04
tex.stackexchange.com
12
votes
Express solutions of equation $ \tan x= x $ in closed form
sequences-and-series
trigonometry
roots
closed-form
asked Jul 12, 2013 at 20:54
math.stackexchange.com
11
votes
What's the explanation of this optical illusion where many coloured arcs radiate from a central point?
vision
optical-illusion
asked Aug 9, 2014 at 11:12
psychology.stackexchange.com
10
votes
Is every integer the sum of distinct prime numbers?
elementary-number-theory
prime-numbers
asked Nov 18, 2015 at 15:35
math.stackexchange.com
10
votes
Diffusion of gases in the atmosphere
statistical-mechanics
atmosphere
diffusion
asked Jul 6, 2013 at 20:43
physics.stackexchange.com
10
votes
Is there any curriculum based on recreational mathematics?
reference-request
recreational-mathematics
education
asked Jul 10, 2013 at 15:34
math.stackexchange.com
1
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Top Answers
15
How to calculate $\cos(6^\circ)$?
math.stackexchange.com
9
What are "PreK‐12th‐grade students"?
matheducators.stackexchange.com
8
Infimum and supremum of the empty set
math.stackexchange.com
8
Finding all possible proofs
math.stackexchange.com
8
Why bother completing the square to find the minimum/maximum of a quadratic function?
matheducators.stackexchange.com
7
Upper Bound of Logarithm
math.stackexchange.com
7
Real-life exceptions to PEMDAS?
matheducators.stackexchange.com
7
Beautiful planar geometry theorems not encountered in high school
matheducators.stackexchange.com
6
How do we take second order of total differential?
math.stackexchange.com
6
Experiment to show that air contains about 20% oxygen
chemistry.stackexchange.com
6
How to formulate this type of arcsin problem?
matheducators.stackexchange.com
5
Does the law of Universal Gravitation apply to every matter?
physics.stackexchange.com
5
Evaluating $\int \sqrt{1 + t^2} dt$?
math.stackexchange.com
5
Exercise books in analysis
math.stackexchange.com
5
Are there any other methods to apply to solving simultaneous equations?
math.stackexchange.com
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