The build starts with a basic high-voltage step-up kit that turns 4V DC into 15 kV at the output. At this voltage level, it’s possible to generate an arc in air. To create the Jacob’s ladder ...

Johns Ship Building has been contracted to build two aluminum cruise vessels, further diversifying its production portfolio and reinforcing its capabilities in the commercial passenger vessel sector.

In his teens he went to New York to work his way up the mercantile ladder. By the 1820s purchasing ... It took Whitney 153 days on a cramped sailing ship to reach China's Canton province.