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.
Internet of things. The Internet of Things (IoT) is the inter-networking of physical devices, vehicles (also referred to as connected devices and smart devices), buildings, and other items embedded with electronics, software, sensors, actuators, and network connectivity which enable these objects to collect and exchange data.