... a needle would hit the earth at the speed of light?
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- Published on Friday, 04 December 2020 16:07
We are used to consider dangerous objects from space as very big like for example asteroids or black holes. But could also very small objects become dangerous for us, like an ordinary sewing needle if it is fast enough?
...we have two suns?
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- Published on Friday, 27 November 2020 16:00
We are used to having one sun. It keeps us warm and has a big impact on our climate on earth. Without the sun we wouldn’t be able to live here.
... you would stop brushing your teeth?
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- Category: What if ...
- Published on Tuesday, 17 November 2020 09:34
What would happen if you stopped brushing your teeth for one day, one week or one month? How much bacteria would develop inside your mouth? And How long until all your teeth would fall out.
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