Theo Jansen

Theodorus Gerardus Jozef "Theo" Jansen (Dutch pronunciation: [ˈteːjoː ˈjɑnsə(n)]; born 14 March 1948) is a Dutch artist. In 1990, he began building large mechanisms out of PVC that are able to move on their own and, collectively, are entitled, Strandbeest. The kinetic sculptures appear to walk.[2] His animated works are intended to be a fusion of art and engineering. He has said that "The walls between art and engineering exist only in our minds." He strives to equip his creations with their own artificial intelligence so they may avoid obstacles such as the sea, by changing course when detected.

This article is about the Dutch artist. For the Dutch footballer, see Theo Janssen.
Theo Jansen
Jansen in 2007
Born (1948-03-14) 14 March 1948[1]
Scheveningen, Netherlands
NationalityDutch
OccupationArtist
Known forKinetic sculpture

Early life

Jansen was born in Scheveningen in the Netherlands. He grew up with a talent for both physics and art, and studied physics at the Delft University of Technology. Jansen left the university in 1974 without a degree.[3] While at Delft, Jansen was involved in many projects that involved both art and technology, including a paint machine and a flying-saucer machine.

Flying saucer

In 1979 Jansen started using cheap PVC pipes to build a 4-metre (13 ft)-wide flying saucer that was filled with helium. It was launched over Delft in 1980 on a day when the sky was hazy. Light and sound came from the saucer. Because the saucer was black against a light sky, its size was difficult to determine. The police even stated that it was 30 meters wide, and some people swore they saw a halo around it. Jansen has claimed that this project "caused a near-riot".[4] He said that the machine was never found, and that it probably landed somewhere in Belgium.[4] He later repeated the project over Paris.

Painting machine

Jansen's painting machine was developed in 1984–86 in Delft, and it was a somewhat larger project than his flying saucer. It consisted of a tube with a light cell situated at its end. When darkness was detected, the machine would begin to spray paint, creating painted silhouettes of people standing in front of it. This machine was also attached to a large piece of wood that was hoisted against a wall, where it would move back and forth to create 2-D images of everything in the room.[5]

The strandbeest
A strandbeest, exhibited by Jansen on the Linz city square during Ars Electronica, 2005
Animaris Rhinoceros Lignatus was made of wood and weighs 250kg

Since 1990, Jansen has been creating strandbeesten (Dutch for "beach animals", singular strandbeest), which are moving kinetic structures, sometimes wind-propelled, that resemble walking animals, described by Jansen as artificial life. All of his models are based on a system of triangles and connecting links which convert the rotation of an axle into a stepping motion of six or more legs. This allows the strandbeesten to travel over sand much more efficiently than if traveling on wheels. What was at first a rudimentary "breed" has evolved slowly, with the help of evolutionary computation techniques,[6] into a generation of kinetic sculptures that to some degree can react to their environment. According to Jansen, he was inspired by The Blind Watchmaker by Richard Dawkins.[7] Jansen has said "I make skeletons that are able to walk on the wind. Over time, these skeletons have become increasingly better at surviving the elements such as storms and water and eventually I want to put these animals out in herds on the beaches, so they will live their own lives."[8]

Constructed from PVC piping, wood, fabric airfoils, and zip ties, Jansen's sculptures are constantly being improved and are designed to function in the sandy beach environment in which Jansen releases them. The sculptures are also able to store air pressure in order to propel themselves in the absence of wind.[9] Jansen's more sophisticated creations are able to detect when they have entered water and are able to move away from it. One model is capable of anchoring itself to the earth if an approaching storm is sensed.

A 2016 episode of The Simpsons, "The Nightmare After Krustmas", featured the strandbeests and Jansen. He provided the voice for his cartoon character.

gollark: I didn't say he WASN'T.
gollark: Because current RISC-V CPUs are immature and rather slow.
gollark: Oh, and if you have an AMD/Intel CPU from the last 10ish years it has a management engine equivalent.
gollark: Bold of you to assume that works on any recent system ever.
gollark: You can compile to EFI, but the implementation on your platform is likely closed source I mean.

See also

References
  1. Todorov, Todor (2014). Elemental Sculpture: Theory and Practice. Cambridge Scholars Publishing. p. 66. ISBN 978-1-4438-5782-6. Retrieved 4 April 2020.
  2. Jansen, Theo. "Theo Jansen | Speaker | TED.com". www.ted.com. Retrieved 2016-04-09.
  3. Solnit, Rebecca. "The March of the Strandbeests". The New Yorker. Retrieved 2016-10-13.
  4. "Strandbeest". Strandbeest. Retrieved 2013-06-13.
  5. "Strandbeest". Strandbeest. Retrieved 2016-10-13.
  6. Jansen, Theo. "leg system". strandbeest.com. Retrieved 2016-05-15.
  7. "Theo Jansen: Playing God with sculpture", Radio Netherlands Archives, August 20, 2007
  8. Michael Wilson, Brian Dupuis, From Bricks to Brains: the Embodied Cognitive Science of LEGO Robots (Athabasca University Press, 2010), p. 135
  9. Macdonald, Fiona. "Theo Jansen's Strandbeests: Wind-powered skeletons". www.bbc.com. Retrieved 2016-04-09.
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