The inverted spectacles
The image that the eye lens casts onto our retina is upside down, Leonardo da Vinci discovered this 500 years ago. But how is it that we still see a "correct", upright image? With the inversion glasses you can investigate this question.
What is vision anyway? The American psychologist George Stratton was also working on a scientific answer to this question when he experimented with inversion prisms for the first time in 1896. He wanted to know whether the visual process could adapt to the upside-down image in such a way that the world would look "normal" again to the observer.
With the inverted glasses, you can find an answer for yourself.
- Dimensions of the constructed item: approx. 19 x 14 x 8 cm (W/D/H).
- Difficulty: medium
- Building time: time-consuming
Scope of delivery: ventilated, light-proof plastic spectacle case (also suitable for spectacle wearers), 2 Dove prisms made of acrylic glass and accessories
Product safety information
Manufacturer information:
Astromedia
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