Tag Archives: electromagnetism

Surprise ions

By Stephen Ornes / February 21, 2012
clusterinspace

A high-flying satellite reveals a crowd of charged particles in the magnetosphere

Posted in Space | Tagged , , , ,

Tsunami’s trek traced in the sky

By Stephen Ornes / July 6, 2011
The red and green glowing lights in this picture are “airglow” in the Earth’s ionosphere. (This photo was taken from a space shuttle, visible at left.) The March tsunami that wreaked havoc on Japan produced similar atmospheric, glowing ripples.

Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific

Posted in Earth | Tagged , , , ,

Like electricity, but magnetic

By Stephen Ornes / March 1, 2011
Charged to move Researchers figured out how to make single magnetic poles (illustrated here) move through a material called spin ice.

Getting magnetic poles on the move makes a new kind of flow

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Mercury’s magnetic twisters

By Stephen Ornes / April 14, 2010

The planet’s strange atmosphere may have a lot to do with the sun.

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Letting molecules do the work

By Douglas Fox / December 11, 2009

Why go to the trouble of carefully building electric circuits when the circuits can build themselves?

Posted in Technology & Engineering | Tagged , ,

Batteries built by viruses

By Stephen Ornes / October 28, 2009

Scientists use microbes to create tiny power supplies

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Electricity’s Spark of Life

By Emily Sohn / September 29, 2003

Researchers are taking advantage of the vital roles that electricity plays in our bodies to advance medicine.

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