If you connect to the Internet using a public Wi-Fi hotspot, you're exposing yourself to a significant risk. While trying to find a way to reduce the risk, I found a way to make Wi-Fi connections secure. In Short Circuits, we'll take a look at malware that can shut down electric generating plants, consider talking to your Volvo automobile, and compare the Oculus Rift to Microsoft's HoloLens. Spare Parts (only on the website) It's January, so the Consumer Electronics Show is running in Las Vegas.