German Chancellor Angela Merkel makes an experiment with a pendulum during her visit to the Junior University in Wuppertal, Germany, May 13, 2019. REUTERS/Wolfgang Rattay

The machine of a classic wooden clock is seen at a workshop in Colombo, Sri Lanka January 22, 2018. REUTERS/Dinuka Liyanawatte

A man touches a pendulum tied to the gate of the shrine of Sufi saint Hazrat Syed Yaqoob Sahib during the Muslim fasting month of Ramadan, in Srinagar May 31, 2017. REUTERS/Danish Ismail

Revellers take part in a pendulum ride in front of commercial towers inside an amusement park at Hong Kong's Financial Central district January 6, 2015. REUTERS/Bobby Yip (CHINA - Tags: BUSINESS SOCIETY)

A Kashmiri Muslim woman touches a pendulum tied to the gate of the shrine of Mir Syed Ali Hamdani, a Sufi saint, during a religious festival to mark Saint Hamdani's birth anniversary in Srinagar October 2, 2014. Thousands of Kashmiri Sufi Muslim devotees visited the shrine of Saint Hamdani, who travelled to Kashmir from Iran to spread Islam in the region, for the 649th anniversary of his birth on Thursday. REUTERS/Danish Ismail (INDIAN-ADMINISTERED KASHMIR - Tags: RELIGION SOCIETY TPX IMAGES OF THE DAY)

A Kashmiri Muslim woman kisses her fingers after touching a pendulum tied to the gate of the shrine of Mir Syed Ali Hamdani, a Sufi saint, during a religious festival in Srinagar November 3, 2011. Thousands of Kashmiri Muslim Sufi devotees thronged to the shrine of Saint Hamdani, who travelled to Kashmir from Iran to spread Islam in the region, for his 646th anniversary of his birth on Thursday. REUTERS/Danish Ismail (INDIAN ADMINISTERED KASHMIR - Tags: RELIGION SOCIETY TPX IMAGES OF THE DAY)

Marc Hayek, CEO of Swiss watchmaker Breguet SA talks to journalists during a media preview of the exhibition 'A.-L. Breguet. How Watchmaking conquered the world' at the Swiss National Museum in Zurich October 5, 2011. The exhibition, showing over 170 pocket watches, pendulum clocks and other items of late Swiss watchmaker Abraham-Louis Breguet (1747-1823) and his successors, runs from October 6 to January 8, 2012. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SOCIETY BUSINESS HEADSHOT)

People look at vintage watches made by Swiss watchmaker Abraham-Louis Breguet (1747-1823) during a media preview of the exhibition 'A.-L. Breguet. How Watchmaking conquered the world' at the Swiss National Museum in Zurich October 5, 2011. The exhibition, showing over 170 pocket watches, pendulum clocks and other items of Breguet and his successors, runs from October 6 to January 8, 2012. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: ENTERTAINMENT SOCIETY)

A watchmaker looks through a magnifier at part of a wrist watch during a media preview of the exhibition 'A.-L. Breguet. How Watchmaking conquered the world' at the Swiss National Museum in Zurich October 5, 2011. The exhibition, showing over 170 pocket watches, pendulum clocks and other items of late Swiss watchmaker Abraham-Louis Breguet (1747-1823) and his successors, runs from October 6 to January 8, 2012. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SOCIETY)

A watchmaker uses a tool to prepare a part of a wrist watch during a media preview of the exhibition 'A.-L. Breguet. How Watchmaking conquered the world' at the Swiss National Museum in Zurich October 5, 2011. The exhibition, showing over 170 pocket watches, pendulum clocks and other items of late Swiss watchmaker Abraham-Louis Breguet (1747-1823) and his successors, runs from October 6 to January 8, 2012. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SOCIETY TPX IMAGES OF THE DAY)

Mexican artist Gabriel Orozco poses beside 'Carambole with Pendulum' at the Tate Modern gallery in central London January 17, 2011. A major retrospective of Orozco's work is on show until the end of April. REUTERS/Toby Melville (BRITAIN - Tags: PROFILE ENTERTAINMENT)

Samsung Electronics salesmen work in front of a company LED television at a store in Seoul November 6, 2009. Japan has the technology, but South Korea has the product... and the profits. In the longstanding rivalry between these two near-neighbour North Asian technology industry heavyweights, the pendulum has swung Korea's way. South Korea's Samsung Electronics and LG Electronics have wrested market share from Japanese powerhouses such as Sony and Sharp to become world leaders in mobile phones, memory chips and flat-screen TVs. Picture taken November 6, 2009. To match ANALYSIS KOREA-JAPAN/TECH. REUTERS/Choi Bu-Seok (SOUTH KOREA BUSINESS)

A man walks past a LG Electronics logo at the company's headquarters in Seoul November 6, 2009. Japan has the technology, but South Korea has the product... and the profits. In the longstanding rivalry between these two near-neighbour North Asian technology industry heavyweights, the pendulum has swung Korea's way. South Korea's Samsung Electronics and LG Electronics have wrested market share from Japanese powerhouses such as Sony and Sharp to become world leaders in mobile phones, memory chips and flat-screen TVs. Picture taken November 6, 2009. To match ANALYSIS KOREA-JAPAN/TECH. REUTERS/Choi Bu-Seok (SOUTH KOREA BUSINESS)

A man looks at LG Electronics television sets at a store in Seoul November 6, 2009. Japan has the technology, but South Korea has the product... and the profits. In the longstanding rivalry between these two near-neighbour North Asian technology industry heavyweights, the pendulum has swung Korea's way. South Korea's Samsung Electronics and LG Electronics have wrested market share from Japanese powerhouses such as Sony and Sharp to become world leaders in mobile phones, memory chips and flat-screen TVs. Picture taken November 6, 2009. To match ANALYSIS KOREA-JAPAN/TECH. REUTERS/Choi Bu-Seok (SOUTH KOREA BUSINESS)

People walk behind a glass window bearing the logo of Samsung Electronics at the company's headquarters in Seoul November 6, 2009. Japan has the technology, but South Korea has the product... and the profits. In the longstanding rivalry between these two near-neighbour North Asian technology industry heavyweights, the pendulum has swung Korea's way. South Korea's Samsung Electronics and LG Electronics have wrested market share from Japanese powerhouses such as Sony and Sharp to become world leaders in mobile phones, memory chips and flat-screen TVs. Picture taken November 6, 2009. To match ANALYSIS KOREA-JAPAN/TECH. REUTERS/Choi Bu-Seok (SOUTH KOREA BUSINESS)

French physicist Leon Foucault's pendulum is seen at the Arts et Metiers museum in Paris April 6, 2008. Foucault conceived the pendulum as an experiment to demonstrate the rotation of the Earth. REUTERS/Charles Platiau (FRANCE)

A Kashmiri Muslim woman kisses a pendulum tied to the gate of the shrine of Mir Syed Ali Hamdani, a Sufi saint, during a religious festival in Srinagar December 17, 2007. Thousands of Kashmiri Sufi Muslim devotees thronged to the shrine of Saint Hamdani, who traveled to Kashmir from Iran to spread Islam in the region, for his 642nd anniversary of his birth on Monday. REUTERS/Fayaz Kabli (INDIAN ADMINISTERED KASHMIR)

Model Erin has her "Chakra" or energy point read by a massage therapist using an ultraviolet light pen and diamond pendulum at SoHo House in Los Angeles, California February 27, 2006. As celebrities vie to be prettier, thinner and more fabulous in preparation for the Academy Awards, they are pulling out all the stops, having their bodies massaged with diamonds and their faces rubbed with a cream made of fish eggs. Picture taken February 27, 2006. REUTERS/Phil McCarten

An Indian Sadhu, or holy man, sells beads and pendulums with images of Lord Shiva, in Pahalgam, 95 km (59 miles) southeast of Srinagar, late on July 14, 2004. Amid tight security, the first batch of more than 1600 Hindu pilgrims on Thursday started their trek to the cave situated in Kashmir mountains at a height of 12,500 feet (3810 metres) where they worship an ice stalagmite, symbolising Lord Shiva. REUTERS/Fayaz Kabli FK/

An Indian Sadhu, or holy man, sells beads and pendulums with images of Lord Shiva, in Pahalgam, 95 km (59 miles) southeast of Srinagar, late on July 14, 2004. Amid tight security, the first batch of more than 1600 Hindu pilgrims on Thursday started their trek to the cave situated in Kashmir mountains at a height of 12,500 feet (3810 metres) where they worship an ice stalagmite, symbolising Lord Shiva. REUTERS/Fayaz Kabli FK/

Brazilian tennis star Gustavo Kuerten swings his microphone like a pendulum during a press conference announcing the Davis Cup pairings, in Florianopolis February 3. In Friday's single matches, Brazil's Fernando Meligeni will play Cedric Pioline and Gustavo Kuerten will play Jerome Golmard. Saturday's doubles match will feature Kuerten and Meligeni against Pioline and Nicholas Escude. Sunday's reverse singles will feature Kuerten vs Pioline and Meligeni vs Golmard.

RB/BM

Brazilian spiritualist Lautaro Puglisevich searches for German fugitive and Colony Dignity leader Paul Schaefer by using a pendulum and a Chilean map April 30. Spiritualists from Latin America are meeting in Santiago to put together their "cosmic forces" to help local police search for Schaefer, who has been charged with child molestation and has been in hiding since August 1997.

CD/KM

General view of "Foucault's Pendulum" during a ceremony at the Pantheon, October 5. The 28 kg metal sphere is suspended on a 67 metre steel wire from the dome of the Pantheon and recreates the experiment conducted by Leon Foucalut in 1851. Foucault's pendulum demonstrates the rotation of the earth. At right near candle are (L-R) French Culture Minister Philippe Douste-Blazy, Education Minister Francois Bayrou, and State Minister for Research Elisabeth Dufourq

French Education Minister Francois Bayrou (R) uses a candle to release "Foucault's Pendulum" during a ceremony at the Pantheon, October 5. The 28 kg metal sphere is suspended on a 67 metre steel wire from the dome of the Pantheon and recreates the experiment conducted by Leon Foucalut in 1851. Foucault's pendulum demonstrates the rotation of the earth

French Education Minister Francois Bayrou (R) watches "Foucault's Pendulum" during a ceremony at the Pantheon, October 5. The 28 kg metal sphere is suspended on a 67 metre steel wire from the dome of the Pantheon and recreates the experiment conducted by Leon Foucalut in 1851. Foucault's pendulum demonstrates the rotation of the earth. At left is Minister of culture Philippe Doust-Blazy

General view of "Foucault's Pendulum" during a ceremony at the Pantheon, October 5. The 28 kg metal sphere is suspended on a 67 metre steel wire from the dome of the Pantheon and recreates the experiment conducted by Leon Foucalut in 1851. Foucault's pendulum demonstrates the rotation of the earth. At rear near candle are (L-R) French Culture Minister Philippe Douste-Blazy, Education Minister Francois Bayrou, and State Minister for Research Elisabeth Dufourq

Close-up view of "Foucault's Pendulum" as it passes through a sand bar (foreground) to demonstrate the earth's rotation, at the Pantheon, October 5. The 28 kg metal sphere is suspended on a 67 metre steel wire from the dome of the Pantheon and recreates the experiment conducted by Leon Foucalut in 1851