Putting a man on the moon, sending a vehicle to Mars and controlling it from Earth, mapping the human genetic code, and seeing a news event as it happens across town or across the globe ​ — these are realities now that may have been described as impossible even just 50 years ago.
जिस जहाज़ के बारे में कहा जाता था कि उसका डूबना नामुमकिन है, वह कुछ ही घंटों में समुद्र की गहराइयों में समा गया ।