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    what's it called again???

    Does anyone remember the name of the spinning disc that appears to make light dance/ bounce as it spins - reaching a climax just before the disc stops spinning. I can remember I seen it advertised in an online shop based in England somewhere.

    I've got nothing more to go on just now. I'll keep googling till I find it or someone knows the name.

    Muchos gracias :thumbsup:

    2 Comments

    Original Poster

    [SIZE="2"]I found it - it's called Euler's Disc
    hawkin.com/rkm…349

    A cool gift for someone I'm sure, but I think I'll be getting one for me too!

    Below is a link to youtube so you all know what I'm on about and to prove that I've not been sniffing socks!
    youtube.com/res…isc[/SIZE]

    Wouldn't have a clue what you were talking about so good thing you found the link yourself! I like the look of that, never heard of it before despite having studied quite a bit of Euler's theorem's and proofs.

    John
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