Media Summary: From an empty airport used as a go-karting track, to man-made islands that are sinking back into the sea. And from two fully ... The U.S. Navy's futuristic railgun promised Mach 7 strikes with pure kinetic energy—until it didn't. Here's how $500
Useless Billion Dollar Megaprojects In - Detailed Analysis & Overview
From an empty airport used as a go-karting track, to man-made islands that are sinking back into the sea. And from two fully ... The U.S. Navy's futuristic railgun promised Mach 7 strikes with pure kinetic energy—until it didn't. Here's how $500
