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Top Questions
48
votes
Do non-square matrices have eigenvalues?
eigenvalues-eigenvectors
asked Nov 27, 2013 at 23:20
math.stackexchange.com
29
votes
Why is the moment of inertia (wrt. the center) for a hollow sphere higher than a solid sphere (with same radius and mass)?
rotational-kinematics
moment-of-inertia
asked Feb 23, 2014 at 15:26
physics.stackexchange.com
20
votes
Where did my danio fish mysteriously disappear to?
fish
aquarium
freshwater
danio
asked Dec 3, 2013 at 1:06
pets.stackexchange.com
17
votes
Did Two Eagles tell this joke?
quotes
asked Jan 16, 2015 at 17:46
skeptics.stackexchange.com
17
votes
How should I use a laptop in class without distracting others?
etiquette
asked Oct 24, 2013 at 18:43
academia.stackexchange.com
16
votes
How can I resolve a fish conflict in my aquarium?
fish
aquarium
betta
community-aquarium
tetra
asked Nov 15, 2013 at 18:43
pets.stackexchange.com
15
votes
When is it safe to add fish?
fish
aquarium
freshwater
water-parameters
asked Nov 14, 2013 at 23:02
pets.stackexchange.com
14
votes
Which shrimp will co-exist with my loaches and schooling fish?
aquarium
freshwater
community-aquarium
shrimp
asked Nov 17, 2013 at 16:01
pets.stackexchange.com
12
votes
Prove $5 \mid 2^{n+1} + 3^{3n+1}$
divisibility
asked Sep 21, 2013 at 15:44
math.stackexchange.com
11
votes
Is my bioload too high?
health
fish
aquarium
freshwater
aquatic-plants
asked Nov 19, 2013 at 2:55
pets.stackexchange.com
1
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Top Answers
21
How long will it take Marie to saw another board into 3 pieces?
math.stackexchange.com
17
What is the symbol $\triangleq$?
math.stackexchange.com
14
Can I put any other fish in with a male betta?
pets.stackexchange.com
13
Do we need a national anthem?
meta.stackexchange.com
7
Finding the area of a region?
math.stackexchange.com
6
Table weight ignored when text length is long?
stackoverflow.com
5
What are better words to use in an article than "obvious"?
math.stackexchange.com
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