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

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What makes blockchain so good for logistics and production chains?

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Why do we measure energy consumption (and EV batteries) in kWh instead of Joules?

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Can we use dark energy to convert it to electricity?

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There are videos of objects in the ISS spinning forever. If you put a turbine in space, wouldn’t it generate energy forever since it will spin forever?

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Where does gravity get the energy to make objects orbit other objects, and can we use that?

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Just like the universe stablished the light speed to be the speed limit, is there a rotational speed limit? Like max amount of RPM?

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Is the delta variant bypassing existing vaccines?

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If you receive the Sputnik or Sinovac vaccine, will you still be allowed to enter countries requiring vaccination?

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What happened to the hydrogen hype? Everyone said h2 cars were the future but the hype just died off

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Given Nautical Miles are defined as exactly one arc minute of the earth, would different planets have different nautical miles, depending on the length of their arc minutes?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What makes blockchain so good for logistics and production chains?	1
Why do we measure energy consumption (and EV batteries) in kWh instead of Joules?	1
Can we use dark energy to convert it to electricity?	1
There are videos of objects in the ISS spinning forever. If you put a turbine in space, wouldn’t it generate energy forever since it will spin forever?	1
Where does gravity get the energy to make objects orbit other objects, and can we use that?	1
Just like the universe stablished the light speed to be the speed limit, is there a rotational speed limit? Like max amount of RPM?	1
Is the delta variant bypassing existing vaccines?	1
If you receive the Sputnik or Sinovac vaccine, will you still be allowed to enter countries requiring vaccination?	1
What happened to the hydrogen hype? Everyone said h2 cars were the future but the hype just died off	1
Given Nautical Miles are defined as exactly one arc minute of the earth, would different planets have different nautical miles, depending on the length of their arc minutes?	1