Giotto explored how to represent three dimensional space using light and shade.

VOA: special.2010.06.23

(MOVIE SOUND:"Avatar") Three dimensional movies,like Avatar, are wowing us with their visual display.

VOA: standard.2010.02.21

The difference is that the printer builds a three-dimensional scaffolding out of a sugar-based material called a hydrogel.

VOA: special.2010.10.19

Some drug makers and other companies put three-dimensional images called holograms on their products as a security device.

VOA: special.2010.03.01

Companies like Sony and Panasonic are introducing new television sets for watching three-dimensional TV.

VOA: special.2010.01.08

The people in the frieze are painted to look three- dimensional, like sculptures.

VOA: special.2010.01.27

Organ printing is in many ways like other three-dimensional printing.

VOA: special.2010.10.19

Major contenders for this year's Oscars include filmmaker James Cameron and his groundbreaking three-dimensional fantasy "Avatar."

VOA: standard.2010.02.18

"The three laureates have accomplished what many scientists thought impossible, namely to determine the three- dimensional structure of the molecular machine that makes all the proteins in a cell, the so-called ribosome,"

VOA: standard.2009.10.07