[Alec] at Technology Connections has a bit of a love/hate relationship with these displays. The Numitron is simply a seven-segment display built from light bulb filaments. The filaments run at 5 V ...

Sensify is a new technology that can turn Zigbee switches ... But the idea of, say, every Philips Hue light bulb in your home turning into a motion sensor overnight, making it simple to automate ...