A classmate spotted the student with the pellet gun, which was designed to look like a .357 caliber revolver, on Wednesday morning. The gun is powered by a carbon dioxide cartridge, Kennewick ...

“It was determined the student had a realistic looking pellet gun replicating at .357 caliber revolver that is CO2 powered,” Kennewick Police said in a Facebook post. “The pellet gun was ...

Police identified the firearm as a realistic-looking pellet gun replicating a .357 caliber revolver that was CO2 powered and unloaded. The 15-year-old did not threaten other students and may have ...

Researchers at the University of Cambridge have built a solar-powered reactor that converts atmospheric carbon dioxide (CO2) into a gas that could one day fuel vehicles, power off-the-grid ...

Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, using sunlight as the power source. Credit: University of Cambridge ...

"We can build a circular, sustainable economy—if we have the political will to do it." More information: Direct air capture of CO2 for solar fuels production in flow, Nature Energy (2025). DOI: ...