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Showing 11-12 of 12 results
25:59 11. Chemistry becomes reality. part I
2018-03-20
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"Stone Age when mankind first discovered fire. Early humans were fascinated by ways different objects react to burning, and developed the practice of alchemy. However, having failed to properly explai...
25:59 12. Chemistry becomes reality. part II
2018-03-27
2 views
"Stone Age when mankind first discovered fire. Early humans were fascinated by ways different objects react to burning, and developed the practice of alchemy. However, having failed to properly explai...
