Applied Physics

Why Will We Have A 'Leap Second' This Year?

Why Will We Have A 'Leap Second' This Year?

2008 will be a little longer than you might have assumed at the beginning of the year. But not so much that you’ll be early for that New Year’s Eve party. The spin of the Earth is slowing down. Not…
Sonar in Space? Space-DRUMS Makes It Possible

Sonar in Space? Space-DRUMS Makes It Possible

After it's conception and development during World War I, sonar is finally finding use in an unlikely medium: space. Astronauts on the International Space Station will soon be able to conduct…
Magnetic Behavior At One Billionth Of A Meter

Magnetic Behavior At One Billionth Of A Meter

A key challenge of nanotechnology research is investigating how different materials behave at lengths of merely one-billionth of a meter. When shrunk to such tiny sizes, many everyday materials…