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Wire frames for surface tension study

When you dip these wire figures into a solution of soap and water, a thin soapy film will form between the wires. Physics professor Joseph Plateau used them for his surface tension research. Soap bubbles, however, don’t take long to pop. Therefore, it is quite challenging for scientists to study them. For that reason, Plateau called in photographer Adolphe Neyt. At the time, photography was relatively new, and Neyt was an authority in the field. Thanks to Neyt, Joseph Plateau managed to capture the fragile soap bubbles in three-dimensional stereo photographs. This way, he was able to observe them without interruption as well as share his observations with fellow scientists. So, what’s the moral of the story? When scientists break out of their own disciplines and put their heads together, it can yield surprising new insights!
  • Maker: Bernaert (presumably) and Joseph Plateau (researcher)
  • Date: 1844
  • Location: Ghent, Belgium
  • Collection: History of Sciences
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Thanks to Neyt, Joseph Plateau managed to capture the fragile soap bubbles in three-dimensional stereo photographs.

Who is Joseph Plateau?

Joseph Plateau (1801-1883) was a physics professor at Ghent University. He discovered the (after) effects of light on the retina. Based on these findings, he invented the phenakistiscope, a device that gave the illusion of a moving image. Plateau also studied other optical phenomena, including the perception of colours and surface tension. He managed to make this subject matter intelligible by giving demonstrations. During the second half of his life, he gradually went blind.

What did Plateau use these wire frames for?

When you dip these wire frames into a soap solution, you will see soap films stretched across the wires. Joseph Plateau used them for his study of surface tension. He had originally designed a special instrument to simulate a situation in which a drop of oil is not subjected to gravity (the Plateau Tank). He later realised that he could just as well use these thin soap films for his research as they weighed next to nothing.

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