@Max - Are you familure with Acoustic Holography? One one pole it is what makes surrround sound in theater work. Another pole in liquids it can be used for non distructive testing. The microwave version was what I think was the core of the scanners TSA was wanting that can see through clothing. (or replace virtually one's clothing with a different outfit on the monitor device.)
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.