Laser propulsion: NASA's laser-powered spacecraft will fly to Mars in 72 hours

The video discusses laser-based propulsion, where photons from a laser beam reflect off an object, converting energy into momentum to move spacecraft. This technology allows for lightweight spacecraft without fuel, capable of reaching 30% of light speed. It could enable a robotic mission to Mars in three days and a manned mission in a month.

What is the principle behind laser-based propulsion?

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How do photons contribute to the movement of spacecraft in laser propulsion?

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What are the potential benefits of using laser propulsion for spacecraft?

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What speed can spacecraft potentially reach using this technology?

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How long could it take to send a manned shuttle to Mars using laser propulsion?

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