Kelly Slater Wave Co Todd Glaser/Courtesy of Kelly Slater Wave Co hide caption

Science Of Summer Waves
Residents of Valdivia, Chile, look over wrecked buildings on May 31, 1960. AP hide caption
When The Biggest Earthquake Ever Recorded Hit Chile, It Rocked The World
Tropical Storm Colin brought big waves to Fort Myers Beach in Fort Myers, Fla., in early June. Given the threat of serious flooding, Gov. Rick Scott declared a state of emergency in the area. Joe Raedle/Getty Images hide caption
Lasers and mirrors are used to carefully measure shifts in space-time. To avoid contamination, protective clothing must be worn at all times. LIGO Lab/Caltech/MIT hide caption
Michigan Wolverines fans do the wave in support of their team as it faces the Brigham Young Cougars at Michigan Stadium on Sept. 26, 2015, in Ann Arbor, Mich. Doug Pensinger/Getty Images hide caption
The same word is used to describe light, a lively sea, or a ripple in the fabric of space-time. What's in a wave? Photo illustration by Meredith Rizzo/NPR hide caption