Featured ‘toons

Art

Animation

Biology

Computing

Communication

Craft

Energy

Engineering

Environment

Fashion

Food

Geometry

Holiday

Math

Music

Play

Robotics

Tools

Make An Abacus, The World’s First Tablet!

Long before written numbers existed, the Abacus was invented to help merchants count and calculate the cost of goods.  If you need to count large quantities (higher than 10 fingers), try making an Abacus out of a shoebox, BBQ skewers, and two different colored beads. It is the world’s first tablet!

Post to Twitter Post to Facebook Post to Ping.fm Post to StumbleUpon

Leave a Reply