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Contents contributed and discussions participated by Rachel Elia

Rachel Elia

BBC NEWS | UK | How does Dyson make water go uphill? - 0 views

  • One of these is an optical illusion that shows water going uphill and round and round the four sides of a square perpetually,
  • How is the illusion achieved?
  • covering the glass in a thin layer of wate
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    "How is the illusion achieved? "
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