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A form of writing technology that has survived millennia is clay tablets. Clay tokens were used in Mesopotamia around 9000 bce. Pictographs were recorded on clay tablets around 4000 bce and writing was being recorded on clay tablets around 3000 bce. Large clay tablets offer a solution to what you want. They also offer a way to mass produce many tablets so ...


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Engraving and containing If you want a relatively low tech solution, you should just engrave and then protect with a layer. For example, you engrave something in granite and enclose it in amber. It is clear enough to read, especially after sanding the outside after many years. You can possibly replace the granite and amber with things more durable. As long ...


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Thuktun You just engrave the data in durable rock. A nice 3-D lasercut works well, providing both durability and good information density. Make many, *many, many copies, scattered all over the place. The more delicate or detailed ones can be put in orbit, or on the moon. This helps preserve the artifacts, and ensure that only the worthy get access to it. No ...


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Proper preservation already exists, kinda If something isn't broken, don't fix it. The best existing techniques for preserving data over long periods of time have been provided to us by the ancient Egyptians. First you need to engrave your data on to a material that would best survive the passage of time, stone or ceramic is the best candidate for this. Then ...


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Engrave the Moon As human civilisation fell, a group of scientists used a solar power satellites power beaming laser or a spacecrafts main battle laser to engrave several regions of the moon. The engravings could be of different sizes. Perhaps big enough to be deciferable with the unaided eye. In your case making them small enough that one would need a ...


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I've been thinking about engraving, but you must be sure of some importants things before doing so: Material : sould be incredibely resistant through time, so maybe some kind of alloy, or self-conservating. Your message : is the language universal ? Are you thinking of Mass Effect probe? How your artifact should interact with the user ? You could also go ...


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A small asteroid could orbit Earth at the distance of the Moon in the L4 point, 60 degrees ahead of the Moon, or the L5 point, 60 degrees behind the Moon. Orbits in L4 or L5 points are called Trojan orbits. https://en.wikipedia.org/wiki/Lagrange_point[1] The lunar L4 and L5 points are also considered to be stable points for artificial space habitats, so ...


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There are many wrong points in your reasoning. First of all, if a body is in the L3 point of the Earth-Sun system, it is orbiting the Sun along the same orbit of Earth, so it cannot be a second Moon. Moreover, L3 is way more distant than the Moon from Earth, which is also one of your requirements. Last but not least, to answer your question about stability ...


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There is a huge ball of metal in the middle of the earth. It spins round and round and that creates the Earth's magnetic field. Unstable currents of magma cause it to shift orientation every now and then, changing the apparent location of the magnetic poles. For a matter of fact, in 2020 the poles drifted further south than ever recorded. There is evidence ...


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