来自MSN28 天
As we enter the shortest days of the year here’s the history of light bulbs
1976: Fluorescent bulbs go spiral In 1976, Edward Hammer at General Electric figured out how to bend the fluorescent tube into a spiral shape, creating the first compact fluorescent light.
来自MSN9 个月
What Are CFL Bulbs? Everything to Know
Below, McGowan and Dara Greaney, CEO of LEDLightExpert.com, explain what CFL bulbs are and how they differ from incandescents (the classic glass globes with a filament inside) and light-emitting ...