Ideas in the Air Although Many Authorities State that Private Aviation is Progressing Nicely, Others Submit that the Pace is Plodding. The Latter Maintain the Path is Blocked by Designer ...

Making supersonic flight practical for air travel will require more sophisticated engineering and new ideas—ideas that defy, which spring from the will to keep innovating. Behind every artifact ...

With too much carbon dioxide in the air warming the planet, and emissions of heat-trapping gases still growing, many climate scientists say finding ways to remove CO2 from the atmosphere is crucial.