How did edison make the world happy?

Thomas Edison made the world happy through his numerous inventions and contributions to technology. Some of his most notable inventions include the phonograph, the motion picture camera, and the practical electric light bulb. These inventions revolutionized various industries and brought entertainment, convenience, and improved quality of life to people around the world.

The phonograph allowed for the recording and playback of sound, enabling people to enjoy music and audio recordings in their homes. This brought joy and entertainment to countless individuals and helped shape the music industry.

Edison's motion picture camera, known as the kinetograph, paved the way for the development of the film industry. Movies became a popular form of entertainment, allowing people to escape reality and experience different stories and emotions. This brought happiness and excitement to audiences worldwide.

Perhaps Edison's most significant invention was the practical electric light bulb. Before its invention, people relied on gas lamps, candles, or oil lamps for illumination, which were less efficient and often dangerous. The electric light bulb provided a safe, reliable, and affordable source of light, transforming the way people lived and worked. It extended the hours of productivity, improved safety, and enhanced the overall quality of life for individuals and communities.

Overall, Edison's inventions brought happiness by enhancing entertainment, improving living conditions, and making life more convenient and enjoyable for people worldwide.