-
A compass with one leg of a variable length that allows his users to draw any conic section straights line circles..
-
Greek fire was a substance made of napalm would burn objects in its path
-
They invented printing and paper money.
-
Incan used Quipu as tool to make numeric calculation
Looking for a timeline maker?
Create timelines for projects, roadmaps, history, lessons, legal cases, and stories with Timetoast. Timetoast is a timeline maker for work, school, research, and stories.