"We can create a 3D space with a 2D projection," says Bardainne, 36. The projections are created using eMotion, an app -- available as a free OS X download -- developed by Bardainne and Mondot.

Prehistoric cave drawings date back about 40,000 years. Ancient Egyptians used papyrus for paper. Artistic drawing flourished during the European Renaissance starting in the 14th century. Now, ...