There are many types of three-dimensional shapes. You've surely seen spheres and cubes before. In this lesson, you'll learn about polyhedra â three-dimensional shapes whose faces are polygons â and you'll also learn about two special types of polyhedra: prisms and pyramids.
IoT is short for Internet of Things. The Internet of Things (IoT) refers to the ever-growing network of physical objects that feature an IP address for internet connectivity, and the communication that occurs between these objects and other Internet-enabled devices and systems.
1 ITT Corporation, a large American manufacturing conglomerate (ITT: International Telephone & Telegraph) 2  Invitation to tender for a contract, a call for bids.  ITT Technical Institute, a private American technical institute.