Benjamin Franklin invented swim fins, bifocals, the lightning rod, the Franklin stove, the mechanized glass armonica and the "long arm" for reaching books. He created the first map of the Gulf Stream and improved the odo... More »

Ben Franklin did not invent electricity, but he did gain some understanding about it that people previously did not know. His initial hypothesis was that it contained a common element, which he dubbed as electric fire. More »

Benjamin Franklin invented the lightning rod in 1749 while conducting experiments with electricity. Since Franklin’s invention, lightning rods have been mounted on elevated buildings and other tall structures to prevent ... More »

Benjamin Franklin invented bifocals in 1784. As announced in a letter to a friend, he called the new invention "double spectacles." The glasses allowed a person to see far or near, depending on what part of the lens they... More »

Some of Benjamin Franklin's inventions include the lightning rod, bifocal eyeglasses, the glass armonica and the Franklin stove. Benjamin Franklin is also credited with creating the odometer and the first political carto... More »

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Benjamin Franklin invented the lightning rod in 1749 while conducting experiments with electricity. Since Franklin’s invention, lightning rods have been mounted on elevated buildings and other tall structures to prevent ... More »

Benjamin Franklin changed the world by helping write the Declaration of Independence and U.S. Constitution, negotiating the end of the Revolutionary War with the Treaty of Paris and becoming the first ambassador of the U... More »