From: Quora Digest <digest-noreply@quora.com>
To: jeevacation@gmail.com
Subject: Why are there crushed stones alongside rail tracks? - Quora
Date: Sun, 06 Dec 2015 04:52:12 +0000
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Why are there crushed stones alongside rail tracks?
David S. Rose, Serial entrepreneur and active angel investor,
based in New York
avid
- 10.7k votes
2 This is a good question with an interesting answer. The crushed stones
are what is known as ballast. Their purpose is to hold the wooden cross
ties in place, which in turn ... Read More >7,
What are the 5 tips of a productive developer?
_,_GI Glyn Williams, Grizzled game industry veteran.
vn 2.6k votes
2 Jonathan Blow is an impressive developer. It's hard to imagine just
how productive he is. He is an independent game developer. To make this
sort of project you have to ... Read More »
What do taxi drivers know that most people don't?
Aaron Alexander, Marketing, copywriting, ex-actor, New
s Aa
ron Zealander
— 6.6k votes
I've never forgotten the advice I got from the taxi driver who took me
home from the hospital after my eldest was born:
"It's not what you say or do - it's what you are.... Read More »
What is the most depressing one liner?
Dushka Zapata, Reader. Writer. Introvert.
ushk I 2.9k votes
We have a saying in Mexico that breaks my heart every time I hear it. It
refers to the times when you make yourself vulnerable to getting hurt.
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I he ax asked the tree for i... Read More >>
Why do we fall asleep during lectures?
Robert Frost, Instructor and Flight Controller at NASA
l
ober 10.4k votes
lit John Medina, in his book Brain Rules, introduces data that forms the
following graph:
The data shows that student attention level takes a dive, approximately io
minutes int... Read More »
What are the weirdest reasons for which two people have
gotten married?
Ri Richard White, Saloon Singer, Actor, Stage Director
char 640 votes
It may not qualify as "weird" today, but -
I was serving in the U. S. Army in what was then West Germany in the
1970's. There were two soldiers I knew who married each ot... Read More »
What are some of the costliest mistakes ever made in
history?
„...He Ben Belser
2.1k votes
Once upon a time, an unassuming letter arrived on the desk of Napoleon
Bonaparte, Emperor of the French and one of history's most likely
candidates at taking over the world... Read More >>
In Chinese culture how common is it to regularly say "I
love you"?
Dakota Lim, Entrepreneur, Optimal Health Researcher,
akot i Budding Writer
- 1k votes
Very common to hear parents say "I love you" in the Chinese culture. BUT,
these words must be translated. Here is the Chinese to English translation
of
"I love you":
Word... Read More »
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Why can't we just split up the United States?
Ryan Carlyle, BSChE. Subsea hydraulics engineer
I I
an 1.3k votes
it Can you see where to divide this blob into a red half and a blue half? It's
a map of US counties, colored on a red-purple-blue gradient by 2008
voting results and size-adju... Read More »
What's different about directing a superhero movie vs
something like The Break Up?
Pe Peyton Reed, Director of Ant-Man
vton 58 votes
There are a lot of similarities between the movies that I've done and Ant-
Man. They're comedic, and I like comedies that are visual in nature, where
the camera is part oft... Read More »
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