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Linus' class gives a presentation on America's great inventors, from the creation of the telephone to the electric light. Linus starts by talking about the invention of the telephone.
Peppermint Patty gives a presentation about Thomas Edison and his improvements to Graham Bell's technology.
Louis Pasteur is remembered for his remarkable breakthroughs in the causes and preventions of diseases. This clip shows his successful vaccination of animals and his interest in replicating it for humans.
Thomas Edison's light bulb finally works after much trial and error.
They bring in Ben Franklin and explain his key experiment: he didn't discover electricity through the experiment but proved that lightning is electricity. They also explained what a lightning rod actually does and gave some more examples of things Ben Franklin invented.