I have a large mylar plot showing how to mix drinks done as a series of mechanical drawings, with various stipple patterns and cross-hatching to represent different ingredients. It was used by Versatec to demonstrate their large electrostatic plotters, popular in the days when IC engineers checked layouts by eye.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.