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Researchers at Fudan University have presented a groundbreaking scientific concept aimed at directly detecting black holes using ultra-lightweight spacecraft, envisioning a mission spanning an entire century. This ambitious plan encounters two primary hurdles: locating a nearby black hole and enabling high-speed flight and data transmission for the spacecraft. To tackle these challenges, the researchers propose employing laser propulsion technology to propel nano-scale spacecraft to nearly one-third the speed of light. This would allow the spacecraft to reach the black hole within an estimated 70 years, with an additional 20 years dedicated to transmitting data back to Earth. Despite the initial high cost, future technological advancements and mass production are anticipated to bring down expenses.
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