Scientists turn dents into smart bumps

Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect ...

Aug 23, 2006 feature
4.4 / 5 (52) 0

Detector can count atom by atom

More than 80 years have passed since Louis de Broglie discovered that matter can act like a wave as well as a particle. With advances in technology, scientists have recently begun exploiting this strange property ...

Aug 10, 2006 feature
4.5 / 5 (53) 0

Improved Superconductivity in Multi-Walled Carbon Nanotubes

A group of researchers from several institutions in Japan has observed superconductivity — a phenomenon in which electrons flow with no resistance — in billionth-of-a-meter sized cylindrical carbon molecules ...

Mar 13, 2006 feature
4 / 5 (34) 0

It Comes From Space to Solve our Energy Problems

GreenFuel Technologies Corporation, a start-up company in Cambridge Massachusetts, wants to use little green algae to cleanse the smoke from polluting smokestacks, converting it back into bio-fuels such as ...

Mar 11, 2006 feature
4.7 / 5 (76) 0

The Physics of Friendship

By comparing people to mobile particles randomly bouncing off each other, scientists have developed a new model for social networks. The model fits with empirical data to naturally reproduce the community ...

Mar 10, 2006 feature
4.7 / 5 (164) 1

Tick Tock: Who Needs an Atomic Clock?

“Last year the Nobel Prize recognized the significance of this field with John Hall and Theodor Hänsch,” says Chris Oates of studying optical atomic clocks. “There are a lot of new ideas coming out, ...

Mar 08, 2006 feature
4.5 / 5 (24) 0

Nanocaps help scientists control magnetism reversal

By fabricating curved “nanocaps” to study nanoscale magnetism, scientists have discovered how to partly control magnetism reversal, which could improve applications such as data storage, recording media ...

Mar 03, 2006 feature
4.3 / 5 (76) 0

Hitching a Ride Out of a Gluttonous Black Hole

“Ever since Stephen Hawking showed that black holes evaporate,” says Seth Lloyd, an MIT physicist, “people have wondered about the stuff that comes out of them. Is it just garbage, or is it something ...

Feb 25, 2006 feature
4.5 / 5 (85) 0