In the Pacific Ocean, there is a vortex of ocean currents that occupies an area of approximately 10 million square miles (26 million sq km). Called the North Pacific Gyre, it has a relatively stationary center whose circular rotation draws in waste material, leading to a massive, floating accumulation of debris known as the Great Pacific Garbage Patch. Though such debris has historically been biodegradable, the gyre is now accumulating vast quantities of plastics, which break down into what?
Back in the day
In the 1880s, inventor Thomas Edison sought to promote direct current (DC) power distribution by convincing the public that the alternating current (AC) electricity backed by rival George Westinghouse was dangerous. To that end, his partners developed an AC-powered electric chair, which was adopted by the state of New York as an official execution device. In 1889, murderer William Kemmler was sentenced to be the first person to be executed via electric chair. What happened during the execution?
Born on a day like today
Warhol, one of the most influential artists of the late 20th century, was the leading exponent of the pop art movement. Seeking to minimize the role of his own hand in his work, Warhol began mass-producing silkscreen paintings with the help of assistants at his studio, dubbed "the Factory." His works, which are both popular and controversial, feature commonplace objects, such as dollar bills, soup cans, and soft-drink bottles, as well as celebrities like Marilyn Monroe. Who shot him in 1968?