Bob Holzworth with WWLLN Antenna (image) University of Washington Share Print E-Mail Caption Bob Holzworth stands on top of the UW's atmospheric sciences building with the test lightning sensor. The pipe contains an antenna that detects frequencies generated by lightning. Seattle's actual detector is on the roof of a neighboring building. Credit Dennis Wise/University of Washington Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.