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.
Figure 3.7 IoT Definition [ 67 ] The IERC definition [ 67 ] states that IoT is  A dynamic global network infrastructure with self-configuring capabilities based on standard and interoperable communication protocols where physical and virtual â things â have identities , physical attributes , and virtual personalities and use intelligent interfaces ...