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

Year:

Only show posts with narrations

What's the deepest hole we could reasonably dig with our current level of technology? If you fell down it, how long would it take to hit the bottom?

5109 upvotes

Mark as read: Add to a list

How do we know what the Milky Way looks like?

1 upvotes

Mark as read: Add to a list

What percent of past species do we have a fossil record for?

1 upvotes

Mark as read: Add to a list

Einstein reportedly once said "Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity." How does this have ANYTHING to do with relativity and time dilation in the scientific sense?

1 upvotes

Mark as read: Add to a list

How long would a line of 29 dominoes each increasing in size by 1.5x take to knock over the last one?

1 upvotes

Mark as read: Add to a list

How long would you have to hold pure copper to get the same anti-microbial effect as washing your hands with soap for 30 seconds?

1 upvotes

Mark as read: Add to a list

What would the surface of Venus be like if it had Earth's atmosphere?

1 upvotes

Mark as read: Add to a list

A few questions about "heavy water" (2H2O) which is used in nuclear reactors.

1 upvotes

Mark as read: Add to a list

At any given moment, about how many bananas are there in the world?

1 upvotes

Mark as read: Add to a list

The person who counts down to rocket launches seems like a pretty important one. What happens if they sneeze at T-Minus 7 seconds?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What's the deepest hole we could reasonably dig with our current level of technology? If you fell down it, how long would it take to hit the bottom?	5109
How do we know what the Milky Way looks like?	1
What percent of past species do we have a fossil record for?	1
Einstein reportedly once said "Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity." How does this have ANYTHING to do with relativity and time dilation in the scientific sense?	1
How long would a line of 29 dominoes each increasing in size by 1.5x take to knock over the last one?	1
How long would you have to hold pure copper to get the same anti-microbial effect as washing your hands with soap for 30 seconds?	1
What would the surface of Venus be like if it had Earth's atmosphere?	1
A few questions about "heavy water" (2H2O) which is used in nuclear reactors.	1
At any given moment, about how many bananas are there in the world?	1
The person who counts down to rocket launches seems like a pretty important one. What happens if they sneeze at T-Minus 7 seconds?	1