Communications and Marketing

Astronaut research in diving suits

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Monday 9 July 2018

Professor Rainer Herpers and Dr Nils-Alexander Bury dive for science: Herpers supported the scientist from York University in Canada in carrying out tests for his underwater study. The tests are in conjunction with the ISS Vection study by Prof. Laurence Harris and Prof. Michael Jenkin (York University) and relate to the perception of the body’s own movements.

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About to start: Dr. Bury with (yet) a good-humoured test subject

The aim of the study is to recognise the weaknesses of human perception in an atypical environment and transfer these findings to weightlessness.  Astronauts at the International Space Station (ISS) will also benefit from the results of the study in the swimming centre at the German University in Cologne for the Canadian Space Agency in the medium term. In short, the scientific findings will help them estimate the weaknesses in human perception and orientation better.

Test subject carrying out the tests

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The subject was fixed in varying positions for half an hour while carrying out the tests

The  challenge

The test subject, a young pharmacist from Cologne, was effectively built into a pair of oversized VR glasses* under water and carried out tests on her perception of her own movements from two different positions. She accomplished the task brilliantly. From both a lying and a standing position, she had to complete a series of tests, including estimating the size of an object in the space and the distance to a target position within the simulated environment.

*(It can be seen in the pictures and on the video: the test subject was looking at a screen without receiving any other visual stimulus from the environment, as her head was fixed in a cylinder directly in front of the screen.)

Vection?

The term “Vection” describes the effect which occurs when a person perceives a movement in their field of vision and also has the impression that they are moving themselves. A classic example is when you are sitting in a train and think it is moving, when it is actually the train on the next platform setting off.

Dr Nils Bury gives some background information (German)

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Dr Nils Bury gives some background information (German)

Under water and in space

Weightlessness in space and the experience of floating while diving are very much comparable. In Houston, the astronauts practice their work at the ISS on an exact replica in a diving pool the size of a football pitch.

The test set-up is set to travel into space before the end of the year. The astronauts on the ISS will test the scenarios in the series of tests under weightless conditions with virtual reality glasses.

Gallery

Photos by Miriam Lüdtke-Handjery and Juri Küstenmacher

Contact

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Juri Küstenmacher

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