Why is a rainbow in the sky always an arch?
51266
Why is rainbow always circular?
91518
Why is the shape of lightning or an electric spark a zig-zag line?
57552
What does the vertical pipe ( | ) mean in C++?
128258
Why aren't the graphs of $\sin(\arcsin x)$ and $\arcsin(\sin x)$ the same?
17397
Difference between a space and a "wave" symbol (tilde/"~")?
86534
Why do the ancestors of birds still exist?
122852
Why did Cloud City have the huge chutes leading into open air?
87058
overbrace/underbrace but with an arrow instead
69598
Why does the Moon face Earth with the same side?
40353
In Avatar TLA, why do Aang's tatoos light up in the avatar state?
86753
All right angles are equal to each other
87438
Why does one get an illusion as moon following him?
112670
How do I ensure my skybox is always in the background, with OpenGL?
116003
Why the rightmost square is a pullback?
149174
Is there a simple yet accurate formula for where on Earth the Sun and Moon are directly overhead?
97651
Zeno’s Paradox of the Arrow
79860
What causes atoms to have their specific colors?