The aviation world is buzzing with excitement over a breakthrough technology that could change how we fly. Enter wave engines—jet engines that don’t rely on spinning blades or turbines. Instead, they ...

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With their capability to fly higher, farther, and more efficiently, jet engines have transformed air travel since their introduction. From its origins in the 1930s, the jet engine was a substantial ...

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Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...