The Panama Canal  is an artificial 82 km (51 mi) waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.

Edison and his team of researchers in Edison’s laboratory in Menlo Park, N.J., tested more than 3,000 designs for bulbs between 1878 and 1880. In November 1879, Edison filed a patent for an electric lamp with a carbon filament.

Tsunami is a Japanese word with the English translation, “harbor wave.”