'Cute demo, but totally impractical': Experts are skeptical that Tesla's 'rocket' Roadster could actually work in the real world ...Middle East

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During a filmed demonstration at the SpaceX rocket testing facility in Texas Thursday (Oct. 15), the second-generation Tesla Roadster was shown accelerating up a curved ramp before launching itself into the air, performing a 180-degree barrel roll and touching back down to Earth.

"Turns out, the future does have flying cars," Tesla and SpaceX CEO Elon Musk wrote on X following the demonstration.

The new Roadster will come in three variants: Performance, Thrust and Rocket. Only the Rocket is capable of flight. The Performance model is a two-seater equipped with a suction system that's designed to improve traction and handling (or drive up inverted ramps, as in Tesla's demo), while the Thrust model adds rear-mounted thrusters that Tesla claims can propel the vehicle from 0 to 60 mph (97 km/h) in under a second.

(Image credit: Tesla)

On the company's website, Tesla representatives explicitly stated that the Rocket isn't approved for use on public roads and that availability depends on regional regulations. During the reveal, Musk told the audience that the Rocket "is not necessarily a safety-optimized car."

Artificial intelligence (AI) scientist Yann LeCun ‪— a professor of data science, computer science, neural science and electrical engineering at New York University ‪— described the demonstration on X as a "marketing stunt" and questioned whether the vehicle would work in practice.

He likened it to SpaceShipOne, which debuted in 2004 as the first privately funded spacecraft and made three record-setting flights before being retired.

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Unlike Tesla's compressed-gas tech, Alef's vehicle uses electric propellers for vertical takeoff and landing, with a rotating cabin and body designed to support forward flight.

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