Dubbed the Centennial Light Bulb, GWR says it has burned almost continuously since 1901, earning it the title of the ...

panic rippled through the design community. The original Thomas Edison-patented bulbs — characterized by the burning-hot tungsten filament inside — cast a particular mood around a space.

We tested the low-beam performance of single-filament (9003) and dual-filament (H7) bulbs from GE, Hella, Philips, and Sylvania, and PIAA's dual-filament bulb. We also compared their performance ...