Visionaries in that field claim that computerized machines, far smaller than cells, may in the future be engineered to operate at a molecular level to repair and rejuvenate aging cells, tissues, and organs.
इसमें नानोमीटर (जिसमें एक अरब विभाजन होते हैं) के हिसाब से चीज़ें बनायी जा सकती हैं ।