The technology known as 'Electro-magnetic Air Lift System' is sometimes talked about in reference to

The 'Electro-magnetic Air Lift System', more commonly known as the Electromagnetic Aircraft Launch System (EMALS), is a cutting-edge technology designed to launch carrier-based aircraft from the decks of warships [1]. Developed primarily for the United States Navy's Ford-class aircraft carriers, such as the USS Gerald R. Ford, it replaces the traditional steam-driven catapult systems used since the 1950s. EMALS utilizes linear induction motors to generate powerful electromagnetic fields that accelerate aircraft along the flight deck. This system offers several advantages, including more precise control over acceleration, which reduces 'wear and tear' on airframes, and the flexibility to launch a wider range of aircraft, from light unmanned aerial vehicles (UAVs) to heavy fighter jets. China has also successfully implemented similar electromagnetic catapult technology on its supercarrier, the Fujian.

Sources

1. [1] https://en.wikipedia.org/wiki/Electromagnetic_Aircraft_Launch_System