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A secretive startup backed by Bill Gates has achieved a solar breakthrough aimed at saving the planet.Heliogen, a clean energy company that emerged from stealth mode on Tuesday, said it has discovered a way to use artificial intelligence and a field of mirrors to reflect so much sunlight that it generates extreme heat above 1,000 degrees Celsius.Essentially, Heliogen created a solar oven — one capable of reaching temperatures that are roughly a quarter of what you'd find on the surface of the sun.The breakthrough means that, for the first time, concentrated solar energy can be used to create the extreme heat required to make cement, steel, glass and other industrial processes. In other words, carbon-free sunlight can replace fossil fuels in a heavy carbon-emitting corner of the economy that has been untouched by the clean energy revolution."We are rolling out technology that can beat the price of fossil fuels and also not make the CO2 emissions," Bill Gross, Heliogen's founder and CEO, told CNN Business. "And that's really the holy grail."Heliogen, which is also backed by billionaire Los Angels Times owner Patrick Soon-Shiong, believes the patented technology will be able to dramatically reduce greenhouse gas emissions from industry. Cement, for example, accounts for 7% of global CO2 emissions, 1328

An armed man was fatally shot early Saturday during a confrontation with police after he hurled incendiary devices at a Washington state immigration detention center, Tacoma police said.The shooting occurred about 4 a.m. local time outside the US Immigration and Customs Enforcement's Northwest Detention Center, where the gunman attempted to set the building and parked cars on fire, according to police spokeswoman Loretta Cool.Authorities did not immediately identify the gunman, saying in the statement the "medical examiner will release the identity of the victim when it is appropriate."The assault on the privately-run immigrant detention facility came amid protests over ICE plans to begin the previously postponed raids across the country on Sunday. The goal is the arrest of thousands of migrant families who already have court orders to be removed, according to US officials.A peaceful rally against the raids at the Tacoma detention center had ended about six hours before the shooting, Cool said.The immigration enforcement action has sparked protests in nearly a dozen American cities, drawn criticism from mayors and immigrant rights advocates, and unleashed waves of fear among undocumented immigrants across the country.The motive behind the armed man's pre-dawn attack in unclear, Cool said.The Tacoma facility, which holds nearly 1,500 detainees, has been the scene of more than a dozen hunger strikes in recent years -- each involving from a dozen to hundreds of detainees, over complaints of inadequate food and medical care, among other issues. Police said the man set a vehicle ablaze in the center's parking lot and attempted to ignite a propane tank with a flare to set the building on fire. Officers called out to the man and shots were fired, according

Airbnb is offering a handful of people concerned about the environment a chance to participate in scientific research on how to help preserve it during an all-expense paid trip to Antarctica. 203

A shooting at a Mississippi Walmart left two people dead, a police officer wounded and a community in shock.But if not for recent active shooter training, the outcome could have been far worse, police said.The gunfire broke out Tuesday morning at a store in Southaven, the 285

A woman carrying two Republic of China passports, four cellphones, a laptop, a hard drive and a thumb drive with malware on it made her way past an initial security checkpoint at Mar-a-Lago when President Trump was in town on March 30, according to a criminal complaint filed in U.S. District Court.The woman, identified as Yujing Zhang, said she was there to "go to the pool," when first approached by a Secret Service agent, an affidavit said.According to 470