What, you mean this isn't good enough? https://translate.google.com/translate?sl=ja&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Ffolders.jp%2Ft%2Fbrill_challenge%2Findex.html&edit-text=
:) On Tue, Aug 4, 2015 at 12:08 PM, Seth <[email protected]> wrote: > Hey folders, > Please take a look at this very cool article on KAMIYA Satoshi's website > entitled "Challenge from David Brill": > http://folders.jp/t/brill_challenge/index.html > [http://folders.jp/t/brill_challenge/index.html] > It's from May, so maybe you already read it? > In it you'll find a very interesting mathematical puzzle, which Kamiya > solves by > the end, (spoiler alert). > I know some of you are pretty big smarty-pantses. So I'd like to see if > anyone else can solve this problem besides Kamiya > himself. > There's quite a bit of visual information in the article, but since it is > all > written in Japanese I'll spell out the puzzle for you. > David brill wants to fold two of his famous "Horse"es. They are folded > from equilateral triangles. But he can only find a silver rectangle piece > of paper at the paper shop. So how can he get the two equilateral triangles > folded and cut out of the > rectangle without putting any creases on the paper that would end up in the > middle of the triangles (no bad creases). Of course no pencils, rulers, or > straightedges are allowed (no tools, just > folding). > This problem is basically a reference point finding puzzle, but since > there are > no bad creases allowed, it's a pretty tricky one. > I didn't even bother trying the puzzle myself. I actually don't like > puzzles haha. But the solution is so elegant, it's quite pleasing just to > read about it. > I'd like to translate the article sometime... Eventually... > Anyway, good luck folders. > -Seth >
