Rose quartz is a type of quartz crystal often associated with love, compassion, and emotional healing. It is a popular gemstone used in jewellery, and it is also used in various forms of alternative ...
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I tested the hardest materials on water
We tested the hardest materials we could find to demonstrate the power of water. The experiment begins with cutting obsidian and progresses through the Mohs hardness scale, featuring some of the top ...
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