The Washington Monument in Washington, D.C. is an obelisk. An obelisk is a tall monument with four gently sloping sides and a pyramid shape on top. The obelisk structure first appeared in Ancient...
Hydraulic engineering is a subfield of civil engineering that centers around the transport and management of water resources. Hydraulic engineers design things like channels, canals, dams and levees...
Animation Type: Computer Illustrated, Static Images. Original Handbook Problem: The number of E. coli bacteria in a rich medium is increasing at a rate of 50% every 3 hours. How many hours does it...
Finalist in the 2013-2014 Math Video Challenge. This video was created by PolyMa+hema+1c5. The Math Video Challenge is an innovative program involving teams of students using cutting-edge technology...
Mathletes will become familiar with properties of 45-45-90 and 30-60-90 triangles. In this plan, the relationships between the sides of these two special right triangles will be derived. Then...