The carbon arc lamp, introduced in the late 1870s, was the first electric streetlight, widely used before enclosed arc lamps improved efficiency. 📽️: Youtube/ Electrical History Nerd | Interesting Engineering

This LED swivel lamp is bound to light up even the darkest of rooms. Via: YouTube / Dial: https://bit.ly/2vq6xNR | Interesting Engineering

This water lamp makes it appear that droplets are flowing upwards in the air. 💧 🎥 Hydra Lamp | Interesting Engineering

How To Turn Your Ott 2-in-1 LED Magnifier Floor & Table Light Into A SHORTER LENGTH Floor Lamp