Why re invent the pale bulb

https://wakelet.com/wake/U6u2hZNAx_m1C-UqNbuB_

Why Re-invent the Light bulb?<br/>Have you ever had a downside with a burned gentle? Thanks to the effort of Thomas Edison we now not desire to invent a gentle bulb. We simply go to the shop or our cabinet and pull one out and screw it in