/u/avsa's posts

Year:

Only show posts with narrations

I am RobotRollCall. AMA about life, the universe and everything.

705 upvotes • r/IAmA

Mark as read: Add to a list

Nikola Tesla claimed he could generate power from earth's magnetic field, distribute it freely and wireless to anyone and even create death rays. How credible were those claims and where is this technology today?

191 upvotes • r/askscience

Mark as read: Add to a list

Crosspost from bestof: RobotRollCall is going to answer any questions you have about him and the universe.

89 upvotes • r/askscience

Mark as read: Add to a list

In the series Game of Thrones its customary for lords to send their children to grow up in other castles, either for an education, bonding the families or as hostages. Was there a similar custom during middle ages?

41 upvotes • r/AskHistorians

Mark as read: Add to a list

Aren't some experiments very hard or expensive, and thus not reproducible? Why isn't this a problem?

41 upvotes • r/askscience

Mark as read: Add to a list

If an electron has a non-zero chance to be a very long distance from the atom, then doesn't the amount of atoms in the universe makes a certainity that there is at least one electron out there orbiting meters away from it's atoms?

30 upvotes • r/askscience

Mark as read: Add to a list

If color hues are linear in nature, why do we perceive them as circular?

26 upvotes • r/askscience

Mark as read: Add to a list

How were eclipses predicted before modern astronomy?

14 upvotes • r/askscience

Mark as read: Add to a list

If the sky is clear you can always see stars as bright points of lights. Does this mean a star constantly flood every squared milimeter, tens of millions of kilometers away with photons?

13 upvotes • r/askscience

Mark as read: Add to a list

Are Lorentz transformations equivalent to linear scaling an object rotated 45º? [images included]

13 upvotes • r/askscience

Mark as read: Add to a list

Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
I am RobotRollCall. AMA about life, the universe and everything.	705	IAmA
Nikola Tesla claimed he could generate power from earth's magnetic field, distribute it freely and wireless to anyone and even create death rays. How credible were those claims and where is this technology today?	191	askscience
Crosspost from bestof: RobotRollCall is going to answer any questions you have about him and the universe.	89	askscience
In the series Game of Thrones its customary for lords to send their children to grow up in other castles, either for an education, bonding the families or as hostages. Was there a similar custom during middle ages?	41	AskHistorians
Aren't some experiments very hard or expensive, and thus not reproducible? Why isn't this a problem?	41	askscience
If an electron has a non-zero chance to be a very long distance from the atom, then doesn't the amount of atoms in the universe makes a certainity that there is at least one electron out there orbiting meters away from it's atoms?	30	askscience
If color hues are linear in nature, why do we perceive them as circular?	26	askscience
How were eclipses predicted before modern astronomy?	14	askscience
If the sky is clear you can always see stars as bright points of lights. Does this mean a star constantly flood every squared milimeter, tens of millions of kilometers away with photons?	13	askscience
Are Lorentz transformations equivalent to linear scaling an object rotated 45º? [images included]	13	askscience