/u/twowheels's posts

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Only show posts with narrations

How efficient is modern lighting technology (e.g. LED lighting) at converting energy to visible light? What are the factors limiting higher efficiency? Are they likely to ever be overcome?

14 upvotes • r/askscience

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Are you a hat person? What's your favorite headwear for sun protection outdoors?

8 upvotes • r/ActualHippies

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What happens when you plug two 9V batteries into one another?

5 upvotes • r/askscience

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Why aren't car manufacturers building series hybrids?

1 upvotes • r/askscience

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Why does the apparently random 'walk' of the Weazel Ball make such a regular wear pattern?

1 upvotes • r/askscience

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How and why do we enjoy fiction?

1 upvotes • r/askscience

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If I put a pendulum "generator" in a van, would it affect the mileage?

1 upvotes • r/askscience

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Why does indoor lighting seem less effective during the day than at night?

1 upvotes • r/askscience

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I'll frequently be sitting at my desk nodding off, unable to keep my eyes open no matter how hard I try, but if I give in and lay down for a nap I'll suddenly feel wide awake and unable to sleep. Why?

1 upvotes • r/askscience

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Is Tungsten Carbide jewelry safe? Some jewelers claim that it can leech, is that just to sell more expensive metals? Does it matter which binder metal? How can you tell which it is?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
How efficient is modern lighting technology (e.g. LED lighting) at converting energy to visible light? What are the factors limiting higher efficiency? Are they likely to ever be overcome?	14	askscience
Are you a hat person? What's your favorite headwear for sun protection outdoors?	8	ActualHippies
What happens when you plug two 9V batteries into one another?	5	askscience
Why aren't car manufacturers building series hybrids?	1	askscience
Why does the apparently random 'walk' of the Weazel Ball make such a regular wear pattern?	1	askscience
How and why do we enjoy fiction?	1	askscience
If I put a pendulum "generator" in a van, would it affect the mileage?	1	askscience
Why does indoor lighting seem less effective during the day than at night?	1	askscience
I'll frequently be sitting at my desk nodding off, unable to keep my eyes open no matter how hard I try, but if I give in and lay down for a nap I'll suddenly feel wide awake and unable to sleep. Why?	1	askscience
Is Tungsten Carbide jewelry safe? Some jewelers claim that it can leech, is that just to sell more expensive metals? Does it matter which binder metal? How can you tell which it is?	1	askscience