Gaps in a sphere-packing proof?

Article Abstract:

Mathematician Wu-Yi Hsiang has developed a revised version of his proof of Johannes Kepler's statement that the densest possible packing of spheres is the face-centered cubic arrangement. Hsiang believes that the shorter revised proof corrects the errors in the original version.

Innovations, Mathematical logic, Symbolic and mathematical logic, Wu-Yi Hsiang

---

Will a computer checkmate a chess champion at last?

Article Abstract:

Chess champion Gary Kasparov and an IBM computer chess program called Big Blue will play a six-game match in Feb 1996. The Big Blue program is designed to take advantage of computing speed and precision and has the ability to look 15 moves ahead.

Competitions, Computer chess, Kasparov, Garry, Association for Computing Machinery

---

How to play Platonic billiards

Article Abstract:

Mathematician Matthew Hudelson has calculated trajectories of a cue ball within Platonic solids up to the 20-sided icosahedron. The trajectories will return the ball to its starting point and travel direction.

Research, Billiards

Similar abstracts:

• Abstracts: Spinning in the dark. Practicing the poor man's brand of particle physics. A cloud with a strange dark lining
• Abstracts: Galaxy experts train electronic stand-ins. How quixotic is SLAC's quest to detect "crazy particle"? How the U.S. companies measure up
• Abstracts: New view of spinal cord injury. Researchers find molecules that muzzle killer cells. Is devastating whitefly invader really a new species?
• Abstracts: Molecule promises a better buckyball. Giant atoms cast long shadow. Will future computers be all wet?
• Abstracts: LIGO: a $250 million gamble. Making light work of Brownian motion. Unexpected intelligence turns up in a cellular gel

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.