The world of airguns represents a fascinating intersection of history, engineering precision, and sporting craftsmanship. For ...

It is working with CO2 as the refrigerant. “The superheated refrigerant is compressed and sent to the GC to be cooled down. It then passes through the IHE, where it undergoes further subcooling.

While others have focused on capturing heat-trapping CO2 from the atmosphere and then storing it underground, the Cambridge team developed a solar-powered reactor that turns it into something far ...

Key committees approved tax cuts that would add trillions of dollars to the U.S. debt, while cutting spending on healthcare for the poor and disabled.