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Edison's 1879 lightbulb tests may have accidentally created graphene

When Thomas Alva Edison was painstakingly testing carbonized filaments for his early light bulbs in 1879, he was chasing a ...
BGR

This Light Bulb Has Been On For Over A Century – Here's How It Works

We live in a world where smartphones last for about 2.5 years, and even the best light bulbs fizzle out unexpectedly when you need them the most. That said, here is one bulb defying the odds, a ...