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.
The first electric light bulb was invented in 1809 by Humphrey Davy. It was perfected by Thomas Edison. It is one of the conveniences that changed the way we do things in everyday life. Incandescence is the emission of light when heated to a very high temperature. Incandescence bulb works on the same principle, when a filament is heated to a high temperature it produces light. The first electric light bulb was invented in 1809 by Humphrey Davy. It was perfected by Thomas Edison. It is one of the conveniences that changed the way we do things in everyday life.