Chicco NextFit Convertible Car Seat. Pros: Packed with safety features, led by a removable infant insert designed for smaller/younger babies. Cons: The cup holder doesn't fit a lot of sizes, but this is a minor inconvenience.
Thomas Edison Lightbulb. Let there be Light! Historians agree that Thomas Edison was not the inventor of the electric light bulb, but he did produce the first commercially viable one.
Thomas Edison invented the first ever light bulb in 1880. This is arguably the most important invention in the history of mankind. Britain underwent an Industrial Revolution that helped Britain's economy greatly during the Victorian Era.