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 The IoT device will typically be connected to an IP network to the global Internet.  Commercial IoT, where local communication is typically either Bluetooth or Ethernet (wired or wireless). The IoT device will typically communicate only with local devices.