Offensive:Racy: Very Likely | Adult: Possible Labels:text | black and white OCR: Another aspect of wave generation is the initial split-second response of the water's surface as an object strikes it. Water is ejected from both sides of the point of impact. Leonardo's experiment is replicated here, filmed with a high- speed camera. Stop-action photography shows what Leonardo was able to see with the naked eye-a phenomenon lasting less than one-tenth of a second.