Does anyone know where one can acquire some Penrose tiles? I think they'd be great toys as well, and drive you a little bonkers. Maybe a kitchen/bathroom floor made from them?
Jacob On Tue, Dec 13, 2011 at 5:03 PM, VAN RAAIJ , MARK JOHAN <mjvanra...@cnb.csic.es> wrote: > reminds me of these symmetric 2D P3 lizards: > http://www.worldofescher.com/store/Z51.html > I bought the RGB-coloured set/puzzle after visiting an Escher exhibition and > sometimes use them in crystallography/symmetry teaching. > Nice to make the students assemble them and then decide on the symmetry > operator, unit cell and asymmetric unit. > > > Quoting Phoebe Rice: > >> Hi all, >> For those who teach xtallography - we found some plastic turtles that can >> be snapped together in an amazing variety of space groups. Worked well in a >> workshop for our students, so I thought I'd share the shopping tip. They're >> called Reptangles, and we got them from Amazon. >> >> http://www.amazon.com/Fat-Brain-Toys-FA042-1-Reptangles/dp/B00392NSQ4 >> >> Have fun! >> >> Phoebe >> >> ===================================== >> Phoebe A. Rice >> Dept. of Biochemistry & Molecular Biology >> The University of Chicago >> phone 773 834 1723 >> >> http://bmb.bsd.uchicago.edu/Faculty_and_Research/01_Faculty/01_Faculty_Alphabetically.php?faculty_id=123 >> http://www.rsc.org/shop/books/2008/9780854042722.asp >> > > > > Mark J van Raaij > Laboratorio M-4 > Dpto de Estructura de Macromoléculas > Centro Nacional de Biotecnología - CSIC > c/Darwin 3, Campus Cantoblanco > 28049 Madrid > tel. 91 585 4616 > email: mjvanra...@cnb.csic.es -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program email: j-kell...@northwestern.edu *******************************************
