This was the best of Morse keys. There have been many more: sophisticated ‘velocity keys’ which could send computerized dots, and a few even automatic dots and dashes.

Compared to the previous when lessons wind to a fast shut from an absence of interaction, the scholars were so engaged that they answered not just her questions but also commented on their classmates’ answers — conduct commonly displayed on Internet boards and social networking websites. The session was extended to allow the students to continue posting their feedback after they went home. Now, that’s homework on demand.

Fessenden’s creative thoughts was already in evidence. By 1901, he already held 9 patents with respect to incandescent lamps. His pastime of photography led him to the invention of what he known as microphotography, an early type of microfilm. He additionally began experimenting with radio waves, and it is in the field of radio … Read the rest