![]() Whether these DIRD documents ever led to any long-term investments in advanced technologies is unclear. ![]() The 15 weirdest galaxies in our universe 9 strange excuses for why we haven't met aliens yet Rattling the moon with nuclear explosions would likely prove contrary to this mission. has not nuked the moon and shows no immediate intention to NASA's upcoming Artemis missions plan to return humans to the moon for the first time since the Apollo era, with the ultimate goal of establishing a sustainable human presence there. In a report on "negative mass propulsion," the authors propose a plan to look for extremely lightweight metals in the center of the moon that may be "100,000 times lighter than steel, but still the strength of steel." To reach the center of the moon, the authors suggest blasting a tunnel through the lunar crust and mantle using thermonuclear explosives. Other reports do not shy away from bold, sometimes outlandish proposals for realizing advanced technologies. In the DIRD report on invisibility cloaking, for example, the authors (whose names have been redacted in all of the reports) write that, "perfect cloaking devices are impossible because they require materials where the speed of light approaches infinity." However, cloaking devices that make objects invisible to microwave-based sensors, such as radars and motion detectors, are "definitely within reach of the present technology," the report authors wrote. Many of the reports stress the impracticalities of implementing advanced technologies.
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