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Asked by c.healy to Huma, Jack, Lucy, Miranda, Peter on 17 Nov 2016. This question was also asked by 15madthr.
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Miranda Bane answered on 17 Nov 2016:
Ohh that’s a very interesting question. Does anything exist? I can answer these because they are very deep philosophical questions. Even the greatest minds In the world dot know the answers but it’s interesting to think about these things and see where your imagination takes you.
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Peter Boorman answered on 18 Nov 2016:
I guess our best bet that something exists is if we can see their impact on things. For example, when a telescope records a beautiful image of something in space, we are seeing the reaction of the light with the detector of the telescope.
Likewise, when we drop something, we are ‘seeing’ the impact of gravity on the falling object, to make the object be attracted towards the Earth.
As far as numbers are concerned, on a sub-atomic level, there is evidence that things are ‘quantised’. This basically means that bigger things are made up of tiny packets, which all add up to quantities, given by numbers. In this sense though, numbers are a constructed thing that humans use to analyse things, so who knows!
Peter
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