Archive: 11/21/2005

Molecules that suck

The interaction between the tip of a scanning tunnelling microscope (STM) and atoms or molecules bound to a surface can be used to construct impressive nanostructures, such as the 'quantum corral'.

Nov 21, 2005 4 / 5 (5) 0

Meaning from chaos

Transmitting light-based signals by embedding them in chaos doesn't sound like a particularly good idea. But in last week's issue of Nature, Claudio Mirasso and co-workers show otherwise. They have demonstrated that it is ...

Nov 21, 2005 3 / 5 (2) 0

Networking: Mesh networks taking off

Mesh networking -- the innovative wireless technology that delivers broadband content to computers -- is poised for deployment at a rate that may grow tenfold over the next five years, experts tell United Press International's ...

Nov 21, 2005 4.8 / 5 (6) 0

Mesmerized by Moondust

Each morning, Mian Abbas enters his laboratory and sits down to examine--a single mote of dust. Zen-like, he studies the same speck suspended inside a basketball-sized vacuum chamber for as long as 10 to 12 ...

Nov 21, 2005 4.8 / 5 (5) 0

MIT researchers visit Mars on Earth

At 75 degrees north latitude, Devon Island lies high above the Arctic Circle, a few hundred miles from the magnetic North Pole. A true polar desert, it is also the largest uninhabited island on Earth. But ...

Nov 21, 2005 3 / 5 (4) 0

A Microscope that Sees without Looking

A new type of microscope overcomes some of the limitations of optical imaging techniques by looking at how samples affect a tiny antenna, rather than looking at the sample itself.

Nov 21, 2005 3.1 / 5 (10) 0

Bacteria which sense the Earth's magnetic field

Researchers uncover how a nanoscale 'compass' inside bacteria orients them to the Earth's magnetic field. It is not only migratory birds that orient themselves to the magnetic field of the Earth. Also bacteria -- supposedly "si ...

Nov 21, 2005 4.1 / 5 (14) 0

Stopping The Next Big One

A system that could predict earthquakes has long been the Holy Grail of scientists trying to prevent the next catastrophe. Now a small Israeli company, backed by experts, is not only claiming to have discovered ...

Nov 21, 2005 3.4 / 5 (20) 0

SETI Sets Its Sights On M Dwarfs

Scientists have been searching actively for signs of intelligent extraterrestrial civilizations for nearly half a century. Their main approach has been to point radio telescopes toward target stars and to "listen" for electronic ...

Nov 21, 2005 4 / 5 (3) 0