[ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread 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.

Re: [ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread VAN RAAIJ , MARK JOHAN
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

Re: [ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread Jacob Keller
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

Re: [ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread VAN RAAIJ , MARK JOHAN
(oops, previous mail got sent before I wanted) the turtles would be really nice to extend things into 3D. great find, Mark 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.

Re: [ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread Carlos R. Escalante
Thank you for the info. It looks great for teaching or for just having fun. Carlos R. Escalante Ph.D Assistant Professor Department of Physiology and Biophysics VCU School of Medicine 1220 East Broad Street MMRB 2-040 Richmond, VA 23219 cescala...@vcu.edu (804)628-1202 On 12/13/11 5:53 PM,

Re: [ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread Frances C. Bernstein
If you go to froogle.google.com you will find that you can buy these at a noticeably lower price than at amazon.com, at least for people in the USA - just search for Reptangles. Frances = Bernstein +

Re: [ccp4bb] symmetry for ages 6 and up

2011-12-13 Thread Tommi Kajander
we have a whole street made of them... welcome to Helsinki... t. On Dec 14, 2011, at 1:10 AM, Jacob Keller wrote: 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?