Defense tech darling Mach Industries hits $1.8B valuation, a 4x jump in a year |

Mach Industries, the three-year-old defense tech startup run by 22-year-old founder and CEO Ethan Thornton, has raised a $300 million Series C at a $1.8…

The Best Portable Jump Starter Can Amp a Dead Land Cruiser 15 Times

Leaving your headlights on used to mean a knock on a neighbor’s door—or a long and maybe costly wait for a tow truck. But battery…