Pratélaning punthuk magnèt

Punthuk magnèt (en:Magnetic hill) uga diarani Gravity hill ya iku papan panggonan (lumrahé ana ing igir-igir) sing miring sethithik nanging sawangan pinggirané kaya ta tetuwuhan, lemah lan watu-watu karang uga miring kewalikané. Kaanan iki marekaké tipuan mata (en:optical illusion), mangka dalan sing sajatiné mudhun bisa ketok munggah. Mobil utawa kendaraan ketok bisa laju dhéwé (kaya kesedhot magnét) munggah dalan sing nanjak (padahal iki namung tipuan mata) sabeneré dalané iku mudhun.

Nang seluruh donya akèh panggonan sing duwé fenomena iki kaya ta:

 Australia 

 Orroroo, South Australia: Magnetic HillMagnetic Hill - Peterborough - South Australia
 Moonbi, New South Wales, near Tamworth has a "Gravity Hill" near the Moonbi lookout.Magnetic Hill - Moonbi, NSW. Australia

 China 
 Gansu: a  slope at an angle of 15 degrees where water runs uphill, in a desert region of Yugur County. The site has been tested by scientists, including physics professor Fang Xiaoming from Lanzhou University.Two Non-falls

 India 
 Ladakh: Magnetic Hill in Leh.

 Indonesia 
 Limpakuwus kabupatèn Banyumas Jawa tengahJabal magnet BanyumasMedan magnet nang BanyumasWikimapia, lokasi igir magnet Banyumas.

 Koréa Kidul 
 "Mysterious Road" ing Jeju Island.

 Saudi Arabia 
 Wadi al Jinn (Valley of Jinns) in Madinah. The Co-ordinates for this Hill are 24.7225583333 N, 39.4445166667 E.

 Amérikah Sarékat 
 Alaska 
 Anchorage (Upper Huffman Road, Hillside, Anchorage Burough).[http://www.roadsideamerica.com/tip/15871>

 Alabama 
 Oak Grove (Talladega County).Sylacauga, Alabama - Gravity Hill

 Texas 
 El Paso: Thunderbird Drive facing south.San Antonio, Texas - Ghostly Gravity Hill
 San Antonio: Just east of the San Antonio Missions National Historic Park at the railway crossing at Villamain Road and Shane RoadHelping Hands, Snopes.com (retrieved 21 August 2010)

 Cathetan suku 

Kategori:Igir magnet
Kategori:Igir gravitasi
Kategori:Ilusi Optic