/u/dragonnyxx's posts in /r/askscience

Year:

Only show posts with narrations

How does a resonating chamber amplify sound? Where does the extra energy come from?

16 upvotes

Mark as read: Add to a list

Why do we get food poisoning from eating day-old potato salad, but animals can (apparently) safely eat week-old rotting carcasses?

6 upvotes

Mark as read: Add to a list

Why do camera lenses need to be aligned to within a fraction of an inch for a clear picture, but I can hold my eyeglasses several inches away from my face and still see a sharp image through them?

5 upvotes

Mark as read: Add to a list

Why are there so many chemicals that reduce our perception of pain, but so few that reduce our perception of hunger / sleepiness / sadness / fear / etc.?

1 upvotes

Mark as read: Add to a list

I know a neutron and antineutron will annihilate each other, but when happens when e.g. a proton hits an antineutron?

1 upvotes

Mark as read: Add to a list

How accurately could paleontologists working fifty million years in the future reconstruct our current Earth fauna from their fossil remains?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How does a resonating chamber amplify sound? Where does the extra energy come from?	16
Why do we get food poisoning from eating day-old potato salad, but animals can (apparently) safely eat week-old rotting carcasses?	6
Why do camera lenses need to be aligned to within a fraction of an inch for a clear picture, but I can hold my eyeglasses several inches away from my face and still see a sharp image through them?	5
Why are there so many chemicals that reduce our perception of pain, but so few that reduce our perception of hunger / sleepiness / sadness / fear / etc.?	1
I know a neutron and antineutron will annihilate each other, but when happens when e.g. a proton hits an antineutron?	1
How accurately could paleontologists working fifty million years in the future reconstruct our current Earth fauna from their fossil remains?	1