Nothing is more important in a social work education than actual fieldwork and taking on opportunities to serve others as soon as possible. Even if you canât find an internship that is exactly in line with your interests, any interaction with clients and the community builds skills necessary to careers in social work.
After Joseph Henry discovered electric induction in 1831, enabling further development in elect â¦ rical telegraphy, the first practical telegraph was invented by Dr. David Alter of Elderton, Pennsylvania, in 1836.
The telephone exchange was an idea of the Hungarian engineer Tivadar PuskÃ¡s (1844â1893) in 1876, while he was working for Thomas Edison on a telegraph exchange. PuskÃ¡s was working on his idea for an electrical telegraph exchange when Alexander Graham Bell received the first patent for the telephone.