Geologists Dave Tucker (left) and Pete Stelling at the Mount Baker hot springs in Washington's Cascade Mountains. The springs are within the large tract of federal land that could soon be open for geothermal development. Ashley Ahearn/KUOW hide caption

itoggle caption Ashley Ahearn/KUOW

Students at the Pennsylvania College of Technology are learning a technique called "tripping pipe," moving a pipe from a stack into a horizontal position and lowering it down into a well. The students train on a practice drilling rig to learn how to be roustabouts. Jeff Brady/NPR hide caption

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Night in Port-au-Prince, Haiti. Analysts warn a sudden energy shortage in the Caribbean could create security problems not far from U.S. shores and even trigger mass migration. But thanks to its domestic energy boom, the U.S. has a rare opportunity to get out in front of the crisis and possibly build some goodwill of its own. Hector Retamal/AFP/Getty Images hide caption

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A flag bearing the logo of Royal Dutch Shell flies outside the head office in The Hague, Netherlands. The energy company said Wednesday that it has agreed to buy gas producer BG Group for $70 billion. Peter Dejong/AP hide caption

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The Control Centre of the Large Hadron Collider (LHC) at the European Organisation for Nuclear Research (CERN) in Prevessin near Geneva. The LHC has been turned on for the first time after two years of upgrades. Denis Balibouse/Reuters/Landov hide caption

itoggle caption Denis Balibouse/Reuters/Landov

Parts of the subway system were shut down in the city of Bursa when a major power outage hit cities and provinces across Turkey on Tuesday. Anadolu Agency / Getty Images hide caption

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Cushing, Okla., is a major oil storage site. Amid record oil production, some analysts worry the U.S. will run out of places to put it all. Daniel Acker/Bloomberg via Getty Images hide caption

itoggle caption Daniel Acker/Bloomberg via Getty Images

Smart phones contain a silicon chip inside the camera that might be used to detect rare, high energy particles from outer space. J. Yang/Courtesy of WIPAC hide caption

itoggle caption J. Yang/Courtesy of WIPAC