Forgotten in the flap over whether a design change will cost 1 World Trade Center its status as the nation’s tallest building is the loss of a symbolic New York gesture. A flashing light — or ...

With over 160 years of history under its belt, Morse code is by far the oldest digital signaling system known to man. Originally developed for telegraph systems, [Samuel Morse’s] code has been sent ...

If you’re walking around town and you see a light suddenly start to switch on and off seemingly at random, don’t discount it as a loose wire so quickly. [René] has been hard at work on a project to ...