/u/4w350m3guY's posts in /r/askscience

Year:

Only show posts with narrations

Why is the Universe’s “local” geometry (e.g. on the surface of the Earth) so similar to Euclidean geometry?

2325 upvotes

Mark as read: Add to a list

Why are the graphs of some functions not a single line?

10 upvotes

Mark as read: Add to a list

Is it possible for someone to lose their ability to sleep?

6 upvotes

Mark as read: Add to a list

Are all the domains of all real functions an element of the set of real numbers?

3 upvotes

Mark as read: Add to a list

What are the primitive notions upon which all of mathematics (including geometry) lies upon?

1 upvotes

Mark as read: Add to a list

Does x - tanh(x) have an elementary inverse function?

1 upvotes

Mark as read: Add to a list

In mathematics, do the phrases “materially equivalent” and “logically equivalent” have the same meaning?

1 upvotes

Mark as read: Add to a list

Are there any physical objects that do not reflect visual light, and hence “cannot be seen” by humans?

1 upvotes

Mark as read: Add to a list

Why is the case-to-death ratio in New York City much higher than that of Los Angeles?

1 upvotes

Mark as read: Add to a list

What is the psychology behind the popularity of pop and hip hop music?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is the Universe’s “local” geometry (e.g. on the surface of the Earth) so similar to Euclidean geometry?	2325
Why are the graphs of some functions not a single line?	10
Is it possible for someone to lose their ability to sleep?	6
Are all the domains of all real functions an element of the set of real numbers?	3
What are the primitive notions upon which all of mathematics (including geometry) lies upon?	1
Does x - tanh(x) have an elementary inverse function?	1
In mathematics, do the phrases “materially equivalent” and “logically equivalent” have the same meaning?	1
Are there any physical objects that do not reflect visual light, and hence “cannot be seen” by humans?	1
Why is the case-to-death ratio in New York City much higher than that of Los Angeles?	1
What is the psychology behind the popularity of pop and hip hop music?	1