Thomas Edison
Light Bulb
Light bulb
In 1879 he invented the light bulb. He lighted up homes within 30 years. Millions of homes were lit by electricity.
A little about it
His experiments involved the fabrication and testing of many different metal filaments, including platinum.Edison then resorted to a carbon-based, high-resistance, filament. One year later in October 1879 Edison successfully tested a filament that burned for 13.5 hours.
Thomas
This is a picture of the first light bulb.
Work
This is him studying and testing his work.
Thomas
This is him writing down all the tings that he tried.
The light bulb now is different from the one back in the day.
Thomas Edison's Light Bulb