Mar 16, 2019 ·1875 - Herman Sprengelinventedthe mercury vacuum pump making it possible to develop a practical electriclightbulb. As de la Rue had discovered, by creating a vacuum inside thebulban eliminating gasses, the light would cut down on blackening within thebulband allow the filament to last longer. Jul 18, 2023 ·Learn about the history of the incandescent light bulb, from its precursors to its practical breakthrough byThomas Edison.Find out how Edison improved on previous designs and why he is credited as the inventor of the light bulb. Mar 15, 2024 ·Who inventedthe telephone? How about the airplane? The lightbulb? If you paid attention in high school history class, you’ll probably know the standard answers: Alexander Graham Bell, The Wright Brothers, and Thomas Edison. But if you’ve been watching our channels long enough, you’ll also know that when it comes to the big inventions that have most shaped our modern world, things are ...