Here’s How Elon Musk’s Giant Moon Cannon Would Actually Work

Musk says the key to his moon mission is a device that was originally designed in the 1970s.
Smithsonian Magazine

Construction Workers Digging in Northern England Stumble Upon a 2,200-Pound Cannon That May Be More Than 300 Years Old

Crews unearthed the artifact while working on a restoration project at Queen's Gardens, a public park that was once the largest dock in the United Kingdom ...