Zweibrüder Optoelectronics Unveils Four-Meter-Long Flashlight At Solingen's Festival of Lights. It's not a flashlight that will fit easily in your pocket: The Lichternacht (Festival of Lights) in Solingen, in the German state of North ...
Tags: market view, Flashlight
An incandescent light bulb recognized by Guinness World Records as being the longest burning is still glowing strong days after celebrations that marked its 110th anniversary. The Centennial Light Bulb, at Fire Station No. 6 in ...
Tags: incandescent bulb