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, ...

At around 4.5 millimeters and larger, the pressure on the underside of the raindrop becomes so great it distorts the shape of the raindrop to something more akin to a horseshoe or parachute.

The RTP based 3D software firm has received a $500,000 Phase II research grant from the National Science Foundation to continue its work in digital shape sampling and processing technology, or DSSP.