By controlling airflow, a rocket stove efficiently burns fuel, requiring less wood to generate intense heat compared to an open fire. They are ideal for long-term, sustainable heating and cooking ...

The Lockheed AH-56 Cheyenne was set to revolutionise the design of attack helicopters, setting the benchmark for decades to come - if only politics didn't kill the program before the Cheyenne could ...

Rocket stoves are an interesting, if often overlooked, method for cooking or for generating heat. Designed to use biomass that might otherwise be wasted, such as wood, twigs, or other agricultural ...