Gallium is a chemical element with symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium(III) compounds in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal, elemental gallium is a brittle solid at low temperatures.
These new virtual stores are built by european mega grocery kings Tesco for their South Korean Home Plus supermarkets. So far virtual shopping has been a hit with customers, according to Technologyreview: “The virtual grocery store has been a hit among more 10,287 customers, with Home Plus reporting a 130 percent increase in online sales”.
Sean Phillips flies through the air as he demonstrates the JetLev water propelled jet pack that is strapped to his back at the Yacht & Brokerage Show on February 17, 2012 in Miami Beach, Florida. (Photo by Joe Raedle/Getty Images)
Baylor head coach Kim Mulkey yells at her team during the second half of a women's Final Four NCAA college basketball semifinal tournament game against Oregon, Friday, April 5, 2019, in Tampa, Fla. (Photo by John Raoux/AP Photo)
Greece's Stefanos Tsitsipas falls after diving to return a shot against Switzerland's Stan Wawrinka during their fourth round match of the French Open tennis tournament at the Roland Garros stadium in Paris, Sunday, June 2, 2019. (Photo by Christophe Ena/AP Photo)
Elephant fights off hyenas to save baby. “This is the incredible moment an elephant came to the rescue of one of its babies being attacked by a pack of hyenas. The elephant is seen charging at the hyenas to ward them off its offspring. The photos were captured by American photographer Jayesh Mehta, 47, in the Savuti region of the Chobe National Park in Botswana”. Photo: The elephant is seen charging at the hyenas to ward them off its offspring. (Photo by Jayesh Mehta/Caters News)
Long-exposure photography or time-exposure photography involves using a long-duration shutter speed to sharply capture the stationary elements of images while blurring, smearing, or obscuring the moving elements. The paths of moving light sources become clearly visible.
Canada's Deanna Stellato-Dudek and Maxime Deschamps perform in the gala exhibition during the ISU Grand Prix of Figure Skating Final in Beijing on December 10, 2023. (Photo by Wang Zhao/AFP Photo)