(CNN) — When the Massachusetts 911 system for emergency calls stopped working on Tuesday afternoon, Boston Police Commissioner Michael Cox noted the city already had a backup solution in place. Use ...

We talk about Morse code, named after its inventor, Samuel Morse. However, maybe we should call it Vail code after Alfred Vail, who may be its real inventor. Haven’t heard of him? You aren’t alone.

While we all brag about how fast social media travels, it wasn’t long ago when the fastest communication were wires strewn across the county. There were attempts as early as 1826 to create the ...