Low probability of intercept (LPI) signals work by spreading a transmission across a much wider bandwidth than the data ...

Add Yahoo as a preferred source to see more of our stories on Google. These bubbles could spell trouble. A high-tech radar has detected invisible space bubbles over the Great Pyramids of Giza, ...

Scientists at the University of Texas Institute for Geophysics (UTIG) have developed a radar technique that lets them image hidden features within the upper few feet of ice sheets. The researchers ...

Modern fighter jets typically don't fly under the radar as they use to, now they hide from, clutter, confuse, and attack the ...

In quantum entanglement, two or more particles are seemingly linked in a state of mutual instantaneous influence, no matter how far apart they are. And its not just quantum computers that make use of ...

A new radar technique developed by a graduate student allows imaging of the upper few feet of ice sheets on Earth and icy worlds. The technique uses instruments on airplanes or satellites to survey ...

These bubbles could spell trouble. A high-tech radar has detected invisible space bubbles over the Great Pyramids of Giza, providing clues to scientists who hope to prevent future satellite ...