Wednesday, October 30, 2013

When did human know to make nano structures?

Well, it's far longer than what you might think.

The Damascus steel ( already contains nano structures in it. The steel making process to make the Damascus steel started as early as the 3rd century.

You can read details of the nano structure here:

Until now, the process of making Damascus steel has not been rediscovered. The process itself was lost probably due to various reasons. Read the Wikipedia entry above for that.

What is interesting from this, is that we are not as advanced as we thought compared to older civilization. Are we starting to rediscover what ancient human did thousands of years ago?