A clipped stone, or paleolith, tells us a lot about the needs of the early humans - to dig roots, skin animals and scrape furs. In time, more pieces were chipped off the stone to make it sharper. Then the stone was modified again and again to serve other needs. And as each new tool was developed, humans discovered new ways to use it. New tools create new needs that in turn create new objects. Read More...

3D Illusions. Diverge your eyes and see the hidden shapes within. Fascinating fun for adults and children alike. Read More...