/u/MysteriousEntity's posts
If I take ice II at 500MPa and -80°C, and reduce the pressure to 100kPa, will the ice reorganise itself into ice I? Does it need to be melted in order to transition between its solid phases?
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When were the first decorated tools, such as stone axes with carved patterns or inlaid jewels, made? Why did early humans/humanoids start making decorations? What effect did this have on the evolution of brains and cultures?
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