
Traveler's Dilemma and a new kind of formal reasoning in game theory

Traveler's Dilemma and a new kind of formal reasoning in game theory

Shamans of Small
Like interstellar travel, time machines and cyberspace, nanotechnology has become one of the core plot devices on which science-fiction writers draw

Many worlds in Oxford

Slideshow: Do-It-Yourself Quantum Eraser
This slideshow is part of a package that supplements our story on quantum erasure in the May issue of Scientific American

Kim's Big Fizzle
The Physics Behind A Nuclear Dud

Chicken-Wire Electronics
Carbon structures provide new devices and remarkable physics

The Next Generation
New superconducting wires come closer to market

A Hint of Axions
An experiment may have seen an elusive new particle

Chaos in the Crater
Welcome to Vredefort, a real Bermuda Triangle

Computing with Quantum Knots
A machine based on bizarre particles called anyons that represents a calculation as a set of braids in spacetime might be a shortcut to practical quantum computation

Ion Power
Atomic ions prove their quantum versatility

Cheaper Dots
New process slashes the cost of quantum dots

A Future in Plastics
The march toward less expensive, more flexible electronics continues

Quantum Bug
Qubits might spontaneously decay in seconds

Making Cold Antimatter
Low-energy atoms of antihydrogen will enable researchers to test a fundamental property of the universe

CT Scan for Molecules
Producing 3-d images of electron orbitals

A Glimpse of Supersolid
Solid helium can behave like a superfluid

Back to the Future
Physicists gaze into the crystal ball

Hawking a Theory
Is the black hole information paradox solved?

Next Stretch for Plastic Electronics
Organic semiconductor devices can make more than just bendable displays. They will find use in wearable electronics, chemical sensors, skin for robots and innumerable other applications

Magnetic Soot
Magnetic nanofoam is found to be ferromagnetic

The Shapes of Space
A Russian mathematician has proved the century-old Poincaré conjecture and completed the catalogue of three-dimensional spaces. He might earn a $1-million prize

Henri Poincar¿, His Conjecture, Copacabana and Higher Dimensions

High-Temp Knockout
Gone: two possible superconducting "glues"