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Well before the first climbing frame was patented as "jungle gym", mathematician Charles Hinton thought they might be able to teach kids four-dimensional thinking

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  1. the_man
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    Time is, for me, an intuitive way of having a fourth dimension. But a fourth dimension in space..., I cannot even imagine it. I have read explanations about how to imagine the 4d in space but none...

    Time is, for me, an intuitive way of having a fourth dimension. But a fourth dimension in space..., I cannot even imagine it.
    I have read explanations about how to imagine the 4d in space but none have clicked yet and all is reduced to three dimensions, at the most one cube inside another big cube but not a super-cube or whatever the name is.
    Thanks for making the connection between that jungle gym and an always interesting fantasy: the 4d.

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