The best science and technology pictures of the week

News imageUS president Barack Obama talks with robot-maker Lindsay Lawlor in front of his robot giraffe invention at a science fair at the White House. (Getty Images)
US president Barack Obama talks with robot-maker Lindsay Lawlor in front of his robot giraffe invention at a science fair at the White House. (Getty Images)

The most impressive pictures from the worlds of science and technology this week, including a robot giraffe and a double tornado.

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News image(David Cenciotti)
(David Cenciotti)
News image(Center for Astrophysics/Reuters)
(Center for Astrophysics/Reuters)
News imageJapan's H-IIA rocket lifts off from a space centre on the island of Tanegashima to deploy a new mapping satellite for surveying natural disaster damage. (AFP/Getty Images)
Japan's H-IIA rocket lifts off from a space centre on the island of Tanegashima to deploy a new mapping satellite for surveying natural disaster damage. (AFP/Getty Images)
News imageLightning arcs across the sky during a storm in Guangzhou, Guangdong province in China. (Reuters)
Lightning arcs across the sky during a storm in Guangzhou, Guangdong province in China. (Reuters)
News imageTwo brown bears embrace inside an enclosure at a bear park in Zarnesti, central Romania. The bears are some of many rescued from roadside stalls or restaurants. (Reuters)
Two brown bears embrace inside an enclosure at a bear park in Zarnesti, central Romania. The bears are some of many rescued from roadside stalls or restaurants. (Reuters)
News imageClouds lit up by the setting sun at Mollymook Beach on the south coast of New South Wales, Australia. (Reuters)
Clouds lit up by the setting sun at Mollymook Beach on the south coast of New South Wales, Australia. (Reuters)
News imageflight
flight
News imageContrails from jets flying overhead form a backdrop behind the National Museum of Art in Washington DC. (AP)
Contrails from jets flying overhead form a backdrop behind the National Museum of Art in Washington DC. (AP)
News imageAsh rises into the sky from Ecuador’s Tungurahua volcano near Banos, south of the capital Quito. The volcano has been classified as active since 1999. (Reuters)
Ash rises into the sky from Ecuador’s Tungurahua volcano near Banos, south of the capital Quito. The volcano has been classified as active since 1999. (Reuters)
News imageA plane comes in to land at Heathrow Airport, west London, during heavy fog caused by pollution and dust blown up from the Sahara Desert. (PA)
A plane comes in to land at Heathrow Airport, west London, during heavy fog caused by pollution and dust blown up from the Sahara Desert. (PA)
News imageGentoo penguins at the start of their breeding seasons at the Sea Life London Aquarium. (PA Wire)
Gentoo penguins at the start of their breeding seasons at the Sea Life London Aquarium. (PA Wire)
News imageFour F/A-18s of the US Navy Blue Angels display team perform a close-formation aerobatics stunt during an air show in El Centro, California. (Imperial Valley Press/AP)
Four F/A-18s of the US Navy Blue Angels display team perform a close-formation aerobatics stunt during an air show in El Centro, California. (Imperial Valley Press/AP)
News imageTwo robots perform a cheeky pole dance on the eve of the CeBIT Technology Trade Fair in Hanover, Germany. (AFP/Getty Images)
Two robots perform a cheeky pole dance on the eve of the CeBIT Technology Trade Fair in Hanover, Germany. (AFP/Getty Images)
News imageA Nasa rocket is launched into an aurora over the Alaskan village of Venetie. The rocket’s mission was to investigate “curls” – patterns showing magnetic activity. (Nasa/Reuters)
A Nasa rocket is launched into an aurora over the Alaskan village of Venetie. The rocket’s mission was to investigate “curls” – patterns showing magnetic activity. (Nasa/Reuters)
News imageGeorge Davison Reid’s 1930 view of Tower Bridge is merged with a modern scene as part of an exhibit at the Museum of London. (GD Reid/Museum of London)
George Davison Reid’s 1930 view of Tower Bridge is merged with a modern scene as part of an exhibit at the Museum of London. (GD Reid/Museum of London)
News imageAn airport worker sprays de-icing liquid onto a Boeing 737m, as China shivers during snowy winter weather. (Reuters)
An airport worker sprays de-icing liquid onto a Boeing 737m, as China shivers during snowy winter weather. (Reuters)
News imageTwo F-16s of the Singaporean Air Force display team the Black Knights, captured during a performance at the Singapore Airshow. (AP)
Two F-16s of the Singaporean Air Force display team the Black Knights, captured during a performance at the Singapore Airshow. (AP)
News imageA Russian Soyuz-U booster carrying an unmanned cargo spacecraft Progress M-22M heads to the launchpad at Baikonur, Kazakhstan. (AFP/Getty Images)
A Russian Soyuz-U booster carrying an unmanned cargo spacecraft Progress M-22M heads to the launchpad at Baikonur, Kazakhstan. (AFP/Getty Images)
News imageA Kenya Wildlife Service team take measurements of a male lion’s teeth while they prepare to fit the animal with a GPS tracking collar in Nairobi National Park. (AP)
A Kenya Wildlife Service team take measurements of a male lion’s teeth while they prepare to fit the animal with a GPS tracking collar in Nairobi National Park. (AP)

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