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

Year:

Only show posts with narrations

According to google, tardigrades are 1mm long, and wikipedia says 1.5mm is possible. Why have i never seen one except in what looks to be electron microscope photos? I can see a single milimeter on a ruler clearly and have see tinier insects such as fleas. What gives?

1 upvotes

Mark as read: Add to a list

What are some hilariously incorrect things i may have learned in 1950's school or university science class? For example until the early 60's it was earnestly believed that there were active volcanoes on the moon. What are some other amusing ideas we had then?

1 upvotes

Mark as read: Add to a list

If salt is essential to most animals, where are they getting it from? Why do humans need to supplement our diet with it, can we not get enough sodium from a balanced diet?

1 upvotes

Mark as read: Add to a list

If i'm in a spaceship and strapped in (not free floating) thats making an extreme close pass gravity assist with a planetary body, would i experience centrifugal force/G's as we got closer to periapsis?

1 upvotes

Mark as read: Add to a list

Do all birds have the ability to form complex emotional bonds?

1 upvotes

Mark as read: Add to a list

Why do cigarrete ashes smell so horrible while other ashes have almost no smell or at least a pleasant "camp fire" smell?

1 upvotes

Mark as read: Add to a list

If i am strapped into a spacecraft executing a planetary gravity assist flyby, will i experience g forces?

1 upvotes

Mark as read: Add to a list

What determines the height of water in an abandoned quarry, besides evaporation why aren't they constantly overflowing from rain? Where is the water going and is it a math equation?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
According to google, tardigrades are 1mm long, and wikipedia says 1.5mm is possible. Why have i never seen one except in what looks to be electron microscope photos? I can see a single milimeter on a ruler clearly and have see tinier insects such as fleas. What gives?	1
What are some hilariously incorrect things i may have learned in 1950's school or university science class? For example until the early 60's it was earnestly believed that there were active volcanoes on the moon. What are some other amusing ideas we had then?	1
If salt is essential to most animals, where are they getting it from? Why do humans need to supplement our diet with it, can we not get enough sodium from a balanced diet?	1
If i'm in a spaceship and strapped in (not free floating) thats making an extreme close pass gravity assist with a planetary body, would i experience centrifugal force/G's as we got closer to periapsis?	1
Do all birds have the ability to form complex emotional bonds?	1
Why do cigarrete ashes smell so horrible while other ashes have almost no smell or at least a pleasant "camp fire" smell?	1
If i am strapped into a spacecraft executing a planetary gravity assist flyby, will i experience g forces?	1
What determines the height of water in an abandoned quarry, besides evaporation why aren't they constantly overflowing from rain? Where is the water going and is it a math equation?	1