Why Properties changed when we go in Nano region?

Can You discuss the resons with scientific reasons why matter start behaving differently at nano region.
Anyone?

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Comment by Vyom Parashar on August 11, 2008 at 7:54am
yaa its right that as surface to volume ratio change the properties of materials change, but as we go in bulk the properties become constant why?

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Comment by Raghavendran T E on August 2, 2008 at 2:55pm
Hi! As far as I know, nano materials have enhanced surface area, which can greatly enhance the property of a material. Also, quantum mechanics come into play when the size of the object scales down drastically.

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