January 9, 2006


Nanomaterials bloom
Much of today's nanotechnology is the result of materials science research, and materials science, in turn, is a cross-disciplinary combination of chemistry, physics and engineering...

Nano gives solar 2-for-1
There are two ways to make solar cells more practical: decrease their prices and increase their efficiency. The lion's share of solar cell advances have been in the former camp -- making solar cells less expensive by making them from inexpensive materials like like plastics and zinc oxide. A couple of recent developments, however...

Email shows it's who you know
Social networks are notoriously difficult to study. Fortunately, computer networks are changing that. Columbia University researchers studied more than 14 million email messages generated by more than 43,000 members of a large university over the course of a year...

Sensor sees spark of life
Increasingly, and in many ways, computer chip technology is proving invaluable to the life sciences. Researchers from the University of Manchester in England and the Institute for Microelectronics Technology in Russia have made an electric field sensor that detects the electric charge of a single electron...

Bits and pieces
A microfluidic pressure sensor, an infrared camera that aligns images on bodies, a prototype interplanetary laser communications system.


View from the High Ground: Cornell's Jon Kleinberg
Six degrees of separation, buying gasoline by the molecule, the science of popularity, all just getting along online, intellectual prosthetics, Big Science, making up questions, and telling stories.

How It Works: Quantum computing: qubits
Photons, electrons and atoms, oh my! These particles are the raw materials for qubits, the basic building blocks of quantum computers.

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January 13, 2006
Tiny teachers

Teaching doesn't necessarily require a large brain.

Scientists from the University of Bristol in England have documented teaching behavior in a species of ant. Temnothorax albipennis uses tandem running -- leading one another to food -- as a means of passing along valuable information within a colony

January 6, 2006
Dangerous thoughts ahead

December 23, 2005
The world is your farm

December 16, 2005
Morphing bubbles

"In most areas of science and technology, the origins of new breakthroughs can still be found in the work of a small number of people -- or even a single person -- working at their own pace on their own questions, pursuing things that interest them. "
- Jon Kleinberg, Cornell University

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