A new phase shifter does not need clean-room facilities for fabrication, so is inexpensive to manufacture. The liquid-metal enabled phase shifting elements have a 'passive' nature, unlike the 'active' ...

The current network of weather radars in the United States was installed in the late 1980s and into the 1990s. There are nearly 160 weather radars in the network. The radars are the NEXRAD WSR-88D ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Doppler radar is an important tool ...

BOULDER, Colorado — When a tornadic supercell thunderstorm forms on the eastern plains of Colorado, meteorologists use a Doppler radar to get critical scans and analyze the storm’s dangerous potential ...