/u/DirectFrontier's posts

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Why is high-pitched sound often perceived annoying or unpleasant, where as low-frequency sound is not?

2 upvotes • r/askscience

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Turku-Upinniemi matka

1 upvotes • r/Intti

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Could Hitler rise to power today and how would it happen? How strong is the current constitution of Germany?

1 upvotes • r/AskHistorians

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Why do emperor penguins "nod" and shake their heads?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Why is high-pitched sound often perceived annoying or unpleasant, where as low-frequency sound is not?	2	askscience
Turku-Upinniemi matka	1	Intti
Could Hitler rise to power today and how would it happen? How strong is the current constitution of Germany?	1	AskHistorians
Why do emperor penguins "nod" and shake their heads?	1	askscience