/u/trinerr's posts

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When and why did ‘blue’ become the dominant colour for pens?

3199 upvotes • r/AskHistorians

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Does the % amount of different gasses in the air stay the same at different altitudes?

910 upvotes • r/askscience

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Does the light/energy radiate from the sun at the same level in every direction or is it different above the poles?

696 upvotes • r/askscience

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How did people with bad eyesight cope before the invention of glasses?

94 upvotes • r/AskHistorians

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How did rich people travel the world hundreds of years ago? Did they just bring enough money with them or would they have family contacts in specific areas who could help them out?

15 upvotes • r/AskHistorians

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Life seemed a lot harder for people a few hundred years ago. What was the suicide rate like over the last 1000 years? Going further back, what is the earliest know case of suicide?

6 upvotes • r/AskHistorians

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Where did the knocking rhythm da dada da da, da da come from?

4 upvotes • r/AskHistorians

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Are the smooth parts of the moons surface like that because they have never been hit by meteors?

3 upvotes • r/askscience

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Why did some countries decide to drive on the left side of the road?

2 upvotes • r/AskHistorians

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How different would the climate crisis and American politics if Al Gore had beaten George Bush in the 2000 presidential election?

1 upvotes • r/AskHistorians

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
When and why did ‘blue’ become the dominant colour for pens?	3199	AskHistorians
Does the % amount of different gasses in the air stay the same at different altitudes?	910	askscience
Does the light/energy radiate from the sun at the same level in every direction or is it different above the poles?	696	askscience
How did people with bad eyesight cope before the invention of glasses?	94	AskHistorians
How did rich people travel the world hundreds of years ago? Did they just bring enough money with them or would they have family contacts in specific areas who could help them out?	15	AskHistorians
Life seemed a lot harder for people a few hundred years ago. What was the suicide rate like over the last 1000 years? Going further back, what is the earliest know case of suicide?	6	AskHistorians
Where did the knocking rhythm da dada da da, da da come from?	4	AskHistorians
Are the smooth parts of the moons surface like that because they have never been hit by meteors?	3	askscience
Why did some countries decide to drive on the left side of the road?	2	AskHistorians
How different would the climate crisis and American politics if Al Gore had beaten George Bush in the 2000 presidential election?	1	AskHistorians