If you were to draw a timeline of human civilization ... but by bringing cutting-edge technology to an ancient craft, Huang says he wanted to bridge the gap between the past and present.

An curved arrow pointing right. Scientists have calculated that ancient cave drawings in Indonesia are actually tens of thousands of years old. That tells us one huge thing about our past.

In the first image above, a drawing of a diamondback rattlesnake ... In terms of dating the findings, ancient people rejuvenated a light in the cave (a flaming torch of American bamboo) by ...