Maker Projects for Kids Who Love Electronics

Maker Projects for Kids Who Love Electronics — page 3
Everybody’s Electronics The maker movement is nothing new People have been tinkering for years And that is a good thing Without all the background makers the world of electronics would not be where it is today Seeing the lighT American scientist Thomas Edison was known for his investigations of a form of energy called electricity He discovered that the carriers of electricity called electrons move in an airless sealed container or vacuum This is called the Edison effect Using the Edison effect in 1897 British scientist John Fleming invented a vacuum tube It was called a diode because it contained two electrodes This was the invention that started electronics Another scientist named Lee De Forest took it one step further and created the triode How many electrodes do you think it had 6 This photograph from around 1901 shows Thomas Edison in his laboratory Edison used electricity in many inventions including the lightbulb and the phonograph record player