There are SIX Platonic Solids
Uploader: Stand-up Maths
Original upload date: Mon, 30 Nov 2015 00:00:00 GMT
Archive date: Mon, 06 Dec 2021 00:45:31 GMT
Meet the Hyper-Diamond! It's the sixth Platonic Solid and it only works in the fourth dimension.
Your best google bet to find more about the hyper-diamond is "24-cell".
http://mathworld.wolfram.com/2
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