Inventor Nikola Tesla turned to an old trick to sell the brilliant concept of alternating current, which would enable the electrical power grid and the modern machines that run off it
It changed the course of capital punishment in America
A leader in the emerging field of technological history speaks about the inventors who made our modern world and tells why it is vital for us to know not only what they did, but how they thought
The decline and fall of the lamppost
Lighting Up America
So Richmond proudly described its electric trolleys, the first truly successful system in the world
OF BALLOONS, THE FIRST AIR-MAIL LETTERS, AND THE EVER-ENTERPRISING FRANKLIN FAMILY