It's a huge disappointment to invest in LED bulbs, especially pricey smart bulbs, only to have them fail within a year or two just like old incandescents. While LED bulbs will save you money no ...

There's a light that never goes out… well, almost never. Since the invention of commercial light bulbs in the late 19th century, one bulb has outshone all others. In 2025, it could enter its 124th ...

This twisted wire illustrates how the filament in the Edison bulb is twisted, but at a micro-scale – when the light's wavelength matches the length of the twist, the lightwaves twirl as they go ...