2A10.28 - Surface Tension - Lotus Effect

The object of the toy is to guide the mercury drop through the maze to the space in the center.
Code Number:
Demo Title:
Surface Tension - Lotus Effect
Surface Tension
Area of Study:
Heat & Fluids
Maze toy mercury drop.

The object of the toy is to guide the mercury drop through the maze to the space in the center.  

NOTE:  Do not open or break the toy in such a way as to release the mercury.

  • Said Shakerin, "Lotus Effect Toy", TPT, Vol. 49, # 6, Sept. 2011, p. 346.
  • F. Behroozi, "Determination of Contact Angle From the Maximum Height of Enlarged Drops on Solid Surfaces", AJP, Vol. 80, # 4, April 2012, p. 284.
  • Herb Strongin, “Investigating Red Drop - Green Drop“, Science on a Shoestring, p. 2. 

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