Because they are so small, it is hoped that nanodevices will someday be able to travel through tiny capillaries and deliver oxygen to anemic tissues, remove obstructions from blood vessels and plaque from brain cells, and even hunt down and destroy viruses, bacteria, and other infectious agents.
नैनोमशीन इतनी छोटी हैं कि वैज्ञानिकों को उम्मीद है, एक - न - एक - दिन ये मशीन खून की छोटी - छोटी नलियों (कैपिलरी) से सफर करके बड़े - बड़े कारनामे कर पाएँगी ।