Gravitational anomaly in Karpacz, Natural phenomenon on Strażacka Street in Karpacz, Poland.
The gravitational anomaly in Karpacz is a section of road in the Sudetes where vehicles and objects appear to roll uphill without engine or muscle power. The effect spans roughly one kilometer along Strażacka Street and can be observed directly by visitors.
The site was first documented in the second half of the 20th century through local measurements that revealed unexpected gravitational variation. Scientists have studied the physical properties since then, without reaching a complete explanation for the phenomenon.
Residents of Karpacz integrate this physical phenomenon into their daily routines, often showing visitors how water flows contrary to expected patterns.
The site is accessible year-round and located within walking distance of central Karpacz. It is best to experience the effect yourself by parking a vehicle on the level stretch and observing how it appears to move.
The optical illusion is partly caused by the surrounding landscape form that deceives the eye, even though physical measurements do show actual small differences. This makes the site a fascinating example of how perception and reality work together.
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