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mathematics for example is you look at mathematics that was done you know in ient Greece ancient you know Babylon Egypt and so on it's still here today
you know you find an icosahedron that somebody made in ancient Egypt you look at it oh that's a very modern thing it's an icosahedron you know it's it's a
Timeless kind of kind of activity and this idea of studying simple rules and what they do it's a Timeless activity and I can see that over the last 40
Listen to native speakers pronounce “icosahedron” in real conversational contexts with synchronized timestamps and subtitles.
A solid bounded by twenty sides or faces. Regular icosahedron, one of the five regular polyhedrons, bounded by twenty equilateral triangules.