Over time, the fetus calcifies and becomes a lithopedion.

I love ceramics and all of that.

And there on the smaller scale, the scale of an earring or a ceramic pot or a musical instrument, was a materiality and a soulfulness.

It's twice as tough as our high tech ceramics.

Remember I'm the black kid from the '60s who got his life saved with ceramics.

But what's really interesting unlike our ceramics that are in kilns, it happens in seawater.

Well, uranium dioxide's a ceramic, and ceramic doesn't like releasing what's inside of it.

There's an aerated brick I did in Limoges last year, in Concepts for New Ceramics in Architecture.

The ceramic package was more expensive, but it dissipated heat more effectively than plastic.

Archaeologists note a dramatic adoption of Tiwanaku ceramics into the cultures which became part of the Tiwanaku empire.

And there on the smaller scale, the scale of an earring or a ceramic pot or a musical instrument, was a materiality and a soulfulness.

Each mirror, there are four of them, is made of a single piece of glass, a monolithic piece of high tech ceramic, that has been ground down and polished to such accuracy that the only way to understand what that is is to imagine a city like Paris, with all its buildings and the Eiffel Tower, if you grind down Paris to that kind of accuracy, you would be left with bumps that are one millimeter high.

Imagine being able to make ceramics at room temperature by simply dipping something into a liquid,

But what's really interesting unlike our ceramics that are in kilns, it happens in seawater. It happens near, in and near, the organism's body.

And there was this artist teaching, who made a great big old ceramic vessel, and I happened to be looking in the door of the art room and if you've ever seen clay done, it's magic and I'd never seen anything like that before in my life.

The next piece that I'm going to do which is the cylinders piece, if you want to get that up it has to do with cylinder seals from about 5,000 years ago, which were stones with designs that were used to roll over wet clay with all sorts of great designs. I love ceramics and all of that.

Imagine being able to make ceramics at room temperature by simply dipping something into a liquid, lifting it out of the liquid, and having evaporation force the molecules in the liquid together, so that they jigsaw together in the same way as this crystallization works.

Seven pieces gave an age range of c. 2000 2500 BC, while two ceramic sherds of non diagnostic typology one from Hellenikon and one from Ligourio dated by TL and OSL gave concordant ages of 3000 250 BC and 660 200 BC respectively.