/u/[deleted]'s posts in /r/askscience

Year:

Only show posts with narrations

Dear askscience: Developing a nuclear fusion reactor so we can ... heat water to generate steam to spin a magnet inside a copper coil seems like caveman overkill. Is there really no better way to generate electricity?

1689 upvotes

Mark as read: Add to a list

How did sleep evolve so ubiquitously? How could nature possibly have selected for the need to remain stationary, unaware and completely vulnerable to predation 33% of the time?

1622 upvotes

Mark as read: Add to a list

I am given to understand that vasectomies do not inhibit sperm production. So what happens to the sperm if it can't be delivered?

1589 upvotes

Mark as read: Add to a list

Comet Ison, purportedly will be 15 times the brightness of the full moon in the sky, visible near the end of 2013. Can any astronomers clear up the nebulous information that we've been getting from the media?

1577 upvotes

Mark as read: Add to a list

[deleted by user]

1568 upvotes

Mark as read: Add to a list

Are fish aware that they live in an enclosed space? (Resubmitted because it was deleted, sadly)

1562 upvotes

Mark as read: Add to a list

What is the meaning when people say “99.99% the speed of light” instead of just speed of light?

1561 upvotes

Mark as read: Add to a list

Why are tornados predominantly a North American phenomenon?

1558 upvotes

Mark as read: Add to a list

I'm sorry if anyone reading is offended, but what separates transgenderism from a mental disease?

1557 upvotes

Mark as read: Add to a list

Do radioactive elements decay at the same rate if said elements are traveling near the speed of light?

1543 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Dear askscience: Developing a nuclear fusion reactor so we can ... heat water to generate steam to spin a magnet inside a copper coil seems like caveman overkill. Is there really no better way to generate electricity?	1689
How did sleep evolve so ubiquitously? How could nature possibly have selected for the need to remain stationary, unaware and completely vulnerable to predation 33% of the time?	1622
I am given to understand that vasectomies do not inhibit sperm production. So what happens to the sperm if it can't be delivered?	1589
Comet Ison, purportedly will be 15 times the brightness of the full moon in the sky, visible near the end of 2013. Can any astronomers clear up the nebulous information that we've been getting from the media?	1577
[deleted by user]	1568
Are fish aware that they live in an enclosed space? (Resubmitted because it was deleted, sadly)	1562
What is the meaning when people say “99.99% the speed of light” instead of just speed of light?	1561
Why are tornados predominantly a North American phenomenon?	1558
I'm sorry if anyone reading is offended, but what separates transgenderism from a mental disease?	1557
Do radioactive elements decay at the same rate if said elements are traveling near the speed of light?	1543