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...r, reliable, and a very good source of light. Before the bulb was invented, people burned kerosene for light. Using this method for lighting, there were a lot of fires including fires in houses, barns, and factories. Plus kerosene produces a lot of smoke and soot, and it can also get in your hair and clothes. The smoke and soot of kerosene can also get into your throat and lungs and be very harmful to people especially people who have asthma. The light bulb has its disadvantages too. Since there is electricity running through a light bulb, when you turn it on the bulb could give off a spark. That spark could ignite gas that is nearby. Light bulbs can get hot once they are turned on and you could burn yourself on one. A filament is found inside a light bulb, and that is what gives off all of the light. A filament can get between 2,200 and 2,500 degrees. That’s another danger because you can really burn yourself if you touch the outside of the light bulb. The television was created by a man named Philo Farnsworth. To some people, the television is ba...