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.
विज्ञानाच्या क्षेत्रांत कार्यशील असणाऱ्‍या नामवंत लोकांच्या एका गटाशी बोलताना अमेरिकेचे माजी अध्यक्ष रोनाल्ड रेगन यांनी अगदी उचितपणे याचे वर्णन केले.