/r/askscience

Year:

Only show posts with narrations

Could solar sails be used on a satellite to constantly accelerate it so that it would be able to travel to a nearby star much faster than would normally be possible?

528 upvotes • Lordofwar13799731

Mark as read: Add to a list

The lunar cycle and the menstrual cycle are roughly the same number of days. Did the former influence the latter, or is it just coincidence?

527 upvotes • vermiciousknid

Mark as read: Add to a list

Is it possible to dive so fast you can turn upwards and exit the water?

527 upvotes • DeSaad

Mark as read: Add to a list

What is the ideal temperature of surroundings for humans?

527 upvotes • pman5595

Mark as read: Add to a list

Is string theory still a prominent theory in understanding the universe?

527 upvotes • AaronHolland44

Mark as read: Add to a list

Is there something genetically or physiologically that makes someone a "morning person" vs not?

527 upvotes • alexddie

Mark as read: Add to a list

How do you estimate the percentage of species not found if you do not know the total the number of species (since they haven't been discovered)?

527 upvotes • narcissus299

Mark as read: Add to a list

Had Isaac Newton not created/discovered Calculus, would somebody else have by this time?

527 upvotes • NotSoMrNiceGuy

Mark as read: Add to a list

Is the expression "a hole in the space-time continuum" meaningful in any way, or is it "not even wrong"?

527 upvotes • TreacleMiner

Mark as read: Add to a list

What are these lights that shine on the astronauts when they get interviewed?

527 upvotes • Vysceral

Mark as read: Add to a list

Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Could solar sails be used on a satellite to constantly accelerate it so that it would be able to travel to a nearby star much faster than would normally be possible?	528	Lordofwar13799731
The lunar cycle and the menstrual cycle are roughly the same number of days. Did the former influence the latter, or is it just coincidence?	527	vermiciousknid
Is it possible to dive so fast you can turn upwards and exit the water?	527	DeSaad
What is the ideal temperature of surroundings for humans?	527	pman5595
Is string theory still a prominent theory in understanding the universe?	527	AaronHolland44
Is there something genetically or physiologically that makes someone a "morning person" vs not?	527	alexddie
How do you estimate the percentage of species not found if you do not know the total the number of species (since they haven't been discovered)?	527	narcissus299
Had Isaac Newton not created/discovered Calculus, would somebody else have by this time?	527	NotSoMrNiceGuy
Is the expression "a hole in the space-time continuum" meaningful in any way, or is it "not even wrong"?	527	TreacleMiner
What are these lights that shine on the astronauts when they get interviewed?	527	Vysceral