/u/whiterook6's posts in /r/askscience

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What engineering challenges still need to be overcome in order to put fusion power into use?

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A recent Veritasium video claims Gravity is not a force because instead of feeling gravity during freefall, instead it simply changes your trajectory. Wouldn't the same argument apply to the other forces?

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How can we predict the position of a comet ten years into the future but still have uncertainty whether any given asteroid will hit the Earth?

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If the James Webb Telescope is at L2 to shield itself from the sun, how will its solar panels work, and why would it need the sun shield?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What engineering challenges still need to be overcome in order to put fusion power into use?	1
A recent Veritasium video claims Gravity is not a force because instead of feeling gravity during freefall, instead it simply changes your trajectory. Wouldn't the same argument apply to the other forces?	1
How can we predict the position of a comet ten years into the future but still have uncertainty whether any given asteroid will hit the Earth?	1
If the James Webb Telescope is at L2 to shield itself from the sun, how will its solar panels work, and why would it need the sun shield?	1