An advanced overview of map projections with illustrative graphics. Created by Peter H. Dana, Department of Geography, University of Texas at Austin in 1995.

A household utensil long used in Egypt, this knife is made of iron. Its handle and blade have gilded oval-shaped decorations with interwoven and distorted black floral designs.

In Western cultures a death mask is a wax or plaster cast made of a person's face following death. Death masks may be mementos of the dead, or used for creation of portraits. It is sometimes possible to identify portraits that have been...

In Western cultures a death mask is a wax or plaster cast made of a person's face following death. Death masks may be mementos of the dead, or used for creation of portraits. It is sometimes possible to identify portraits that have been...

In Western cultures a death mask is a wax or plaster cast made of a person's face following death. Death masks may be mementos of the dead, or used for creation of portraits. It is sometimes possible to identify portraits that have been...

In Western cultures a death mask is a wax or plaster cast made of a person's face following death. Death masks may be mementos of the dead, or used for creation of portraits. It is sometimes possible to identify portraits that have been...

This optical illusion, known as the Orbison illusion, gives the effect that the rectangle and inner square are distorted. This effect is caused by the horizontal V shaped lines.

College-level geography tipsheet for developing an appropriate map projection.

This site contains a straightforward definition of resonance in an electrical circuit.

electric guitar