MR. S. E. ACKERMANN'S axiom 1 that spherical lumps of coal of equal size have the same bulk density irrespective of the actual size is surely applicable to any symmetrical arrangement of such spheres, ...

This press release is also available in German. Porous nano-objects with defined sizes and structures are particularly interesting, for example, as capsules for enzymes, a means of transport for ...

How bees, beer cans and big data all solve the same problem: not enough space. By Steven Strogatz Photo illustrations by Jens Mortensen Each installment of “Math, Revealed” starts with an object, ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Earlier this year, Maryna Viazovska showed ...

Winter means tangerines. The joy of sitting in a warm room and peeling tangerines until your fingers turn yellow is a luxury that can only be savored in winter. As I was eating tangerines, I looked at ...

IN connexion with Bernal's theory of liquids, Scott 1 has determined the packing density of equal spheres by experiments with steel balls. In this laboratory we were interested in the dense random ...