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

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Is the ability to catch objects an evolutionary skill?

3 upvotes

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Are people more likely to partake in a give-away if there is more chance of winning it, or if the prize is larger?

1 upvotes

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Are the photons that we use for visible light the same as the photons responsible for warming us?

1 upvotes

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My pupils only take a second or two to expand and contract, so why do my eyes take minutes to adjust to the dark?

1 upvotes

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When I quickly move my eyes quickly over a white light source, I briefly see the light as a rainbow pattern. What is this?

1 upvotes

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When I wake up and fall back asleep, I can quickly return to my dreams or start a new one. Does this mean I have gone from awake straight into REM sleep?

1 upvotes

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What advantage is their sending astronauts to Mars rather than rovers?

1 upvotes

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In 1899 Lebedev demonstrated the pressure of light on a solid body. How did he do this?

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Is there a maximum resolution to images taken from a satellite?

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Does reading every exam question before starting improve results?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is the ability to catch objects an evolutionary skill?	3
Are people more likely to partake in a give-away if there is more chance of winning it, or if the prize is larger?	1
Are the photons that we use for visible light the same as the photons responsible for warming us?	1
My pupils only take a second or two to expand and contract, so why do my eyes take minutes to adjust to the dark?	1
When I quickly move my eyes quickly over a white light source, I briefly see the light as a rainbow pattern. What is this?	1
When I wake up and fall back asleep, I can quickly return to my dreams or start a new one. Does this mean I have gone from awake straight into REM sleep?	1
What advantage is their sending astronauts to Mars rather than rovers?	1
In 1899 Lebedev demonstrated the pressure of light on a solid body. How did he do this?	1
Is there a maximum resolution to images taken from a satellite?	1
Does reading every exam question before starting improve results?	1