The First Phone Call
Alexander Graham Bell uttered nine words, “Mr. Watson, come here. I want to see you,” into the mouthpiece of his newly patented device on March 10, 1876. His invention, now known as the telephone, featured “improvements in telegraphy” that allowed several telegraph signals to be sent over one wire using different audio frequencies.
Nylon: First Synthetic Fiber
Nylon became the world’s first synthetic fiber when it was introduced on October 27, 1938. ... more
The Supersonic Speed Machine
Can you imagine flying from London to Los Angeles in under four hours? It sounds like a thing ... more
