What Is DeWalt's Most Expensive Tool? (And What Makes It So Pricey?)

DeWalt’s most expensive tool is the 3-in-1 air compressor-generator-welder combo. It costs around $6,000 for its all-in-one power and heavy-duty performance.
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General Electric Demonstrates Ramjet Engines for Hypersonic Missiles

The Solid Fuel Ramjet (SFRJ) and the Hypersonic Dual-Mode Ramjet (DMRJ) are seeing rapid success as the U.S. hikes spending and development of hypersonic ...