چرا ساختمان ها در زلزله ها از بین می روند

View full lesson: http://ed.ted.com/lessons/why-do-buildings-fall-in-earthquakes-vicki-v-may Earthquakes have always been a terrifying phenomenon, and they’ve become more deadly as our cities have grown — with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake? And how can it be prevented? Vicki V. May explains the physics of why it is not the sturdiest buildings, but the smartest, that will remain standing. Lesson by Vicki V. May, animatio

• #فناوری_و_رایانه
• #ساختمان
• #جالب
• #زلزله