Testing the first light bulb in 1879, Edison came across a material that would be discovered 125 years later: the prodigious graphene.
Edison has been one of the most prolific inventors of history. In fact, while he was looking for a way to make the light bulb, he carried out an exhaustive materials science experiment: tried more than 6,000 organic materials before decant by the carbonized bamboo filament. eye to the old patent no. 223,898 because it … Read more