Millions of people worldwide have reason to be thankful that Swedish engineer Rune Elmqvist decided not to practice medicine. Although qualified as a doctor, he chose to invent medical equipment instead. In 1949, while working at Elema-Schonander (later Siemens-Elema), in Stockholm, he applied for a patent for the Mingograph, the first inkjet printer. Its movable nozzle deposited an electrostatically controlled jet of ink droplets on a spool of paper. Rune Elmqvist qualified to be a physician...| IEEE Spectrum
Nuclear batteries that last decades are being developed to power drones, sensors, remote devices and medical implants. Energy storage at its extreme.| IEEE Spectrum
Photo credit to Karl Gerber on Pexels I enjoy learning about history, but in my own life, I focus more on the present and the future rather than the past. Still, occasionally, I like to look back a…| Pete Springer