Physicists use a 350-year-old theorem that explains the workings of pendulums and planets to reveal new properties of light waves. Since the 17th century, when Isaac Newton and Christiaan Huygens ...

If you want some level of lighting automation without smart bulbs, then dusk-to-dawn light bulbs might just be the solution.

The centennial light bulb has been running for over hundred years now, continuing to amaze everyone with its engineering.