Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 13 March 1998:
Vol. 279. no. 5357, p. 1637
DOI: 10.1126/science.279.5357.1637
Prev | Table of Contents | Next

Research News

MATHEMATICS:
Polyhedra Can Bend But Not Breathe

Dana Mackenzie

Mathematicians showed 20 years ago that a closed, three-dimensional figure made of rigid triangles could be squeezed or stretched into a new shape without distorting the faces, upsetting the belief that a structure whose surfaces are made of triangles must be rigid. But a new proof shows that such flexible polyhedra still face constraints: Their volume remains constant as they move.

Read the Full Text

To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)