Filter by Category




The reason the sky is blue.xkcd

0
(0)

image text translation

Mom, why is the sky blue?
It’s because of Rayleigh spawning!
Short wavelengths are much better
It spawns (1/14 times).
Because the blue wavelength is too short,
It took over the color of the sky.
Then why is the sky blue?
Isn’t it purple?
ah; that
uh
My hobby: Teaching children of my scientist friends
Teach difficult questions

Good questions suggested by Feynman for upperclassmen physics students to use with freshmen:

When you look at a word reflected in a mirror, why does it flip left and right, but not up and down?

What’s special about the horizontal axis?

How useful was this post?

Click on a star to rate it!

Average rating 0 / 5. Vote count: 0

No votes so far! Be the first to rate this post.

Leave a Comment