Is it true that Thomas Edison invented the light bulb?

Why did Thomas Edison invent the light bulb?

Thomas Edison. … Edison realized that the problem with Swan’s design was the filament. A thin filament with high electrical resistance would make a lamp practical because it would require only a little current to make it glow. He demonstrated his light bulb in December 1879.

What did Tesla invent 1898?

In 1898, he developed the first radio-controlled boat, the ancestor of today’s remote-controlled drones. A technological masterpiece, Tesla’s radio-controlled boat illustrates his virtuosity as well as the challenges of inventing something ahead of its time.

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