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Interstellar comet 3I/ATLAS isn't an alien spacecraft, astronomers confirm. 'In the end, there were no surprises.'

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...
Fabbaloo

Clay: Earth’s Abundant Material and 3D Printing

Charles R. Goulding and Preeti Sulibhavi explore how earth-derived calcined clay cement is reshaping 3D printed construction ...