/u/sd4473's posts

Year:

Only show posts with narrations

How much would it have cost to build an average castle?

744 upvotes • r/AskHistorians

Mark as read: Add to a list

If energy is truly conserved, then can we measure how much of it exists?

19 upvotes • r/askscience

Mark as read: Add to a list

Prior to the 19th century, what sort of systems (if any) did villages and cities have in place to warn them of impending attacks from land or sea?

15 upvotes • r/AskHistorians

Mark as read: Add to a list

Peltier tiles utilize heat flow to generate electricity. How does it actually work? Can Peltier tiles be used to produce meaningful amounts of electricity?

13 upvotes • r/askscience

Mark as read: Add to a list

What is the earliest recorded use of a body double/political decoy?

8 upvotes • r/AskHistorians

Mark as read: Add to a list

The headlights on my car have gone "blurry", how would I go about reversing that process?

6 upvotes • r/askscience

Mark as read: Add to a list

How long does a particle of food/energy take to go from the dinner plate to your toe, after going through your digestive system?

1 upvotes • r/askscience

Mark as read: Add to a list

What would happen to a gas planet in our solar system if a very large meteorite struck its core?

0 upvotes • r/askscience

Mark as read: Add to a list

How did Iran and Iraq go from bitter enemies that fought a bloody 8-year war in the 80s to what can be described as close allies today?

0 upvotes • r/AskHistorians

Mark as read: Add to a list

Is it feasible for jetliners to incorporate vertical take-off methods like jet fighters?

0 upvotes • r/askscience

Mark as read: Add to a list

Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
How much would it have cost to build an average castle?	744	AskHistorians
If energy is truly conserved, then can we measure how much of it exists?	19	askscience
Prior to the 19th century, what sort of systems (if any) did villages and cities have in place to warn them of impending attacks from land or sea?	15	AskHistorians
Peltier tiles utilize heat flow to generate electricity. How does it actually work? Can Peltier tiles be used to produce meaningful amounts of electricity?	13	askscience
What is the earliest recorded use of a body double/political decoy?	8	AskHistorians
The headlights on my car have gone "blurry", how would I go about reversing that process?	6	askscience
How long does a particle of food/energy take to go from the dinner plate to your toe, after going through your digestive system?	1	askscience
What would happen to a gas planet in our solar system if a very large meteorite struck its core?	0	askscience
How did Iran and Iraq go from bitter enemies that fought a bloody 8-year war in the 80s to what can be described as close allies today?	0	AskHistorians
Is it feasible for jetliners to incorporate vertical take-off methods like jet fighters?	0	askscience