nauk lar watch brings you insight and information on the fukushima daiichi process. don't miss, nuclear watch and the road ahead, on newsline. >>> what happens to sky scrapers when they're hit by shock waves from a massive earthquake? new data suggests they may be more vulnerable than previously thought. >> the swank is intention. >> sky skriepers y scrapers swak and forth after the earthquake on march 11. experiencing the strongest shaking. experts simulate the intensity of the quake inside high rise buildings. testing what would happen on the top floor after 50-story building. the device they used simulating the world's strongest swaying motion. the roof, swaying from side it side, back and forth a long ways. maximum amplitude is 60 centimeters. the long period ground motion is characteristic, slow with each cycle lasting two second or longer. >> the march 11th quake was the strongest ever for super sigh ohio rise buildings in or near tokyo. >> the long period ground motion made the sky scrapers top floors. but we found that another added to the damage. the head of