World's first hydrogen drone sent into a combat zone Ukraine has, for the first time, sent into combat a hybrid drone powered by hydrogen fuel. According to the builder Skyeton, a variant of its Raybird was deployed for full-scale combat duty with the ...
Scientists Find a Way To Make CO2 a Valuable Fuel Source A redesigned low-cost catalyst shows unexpected durability while converting CO₂ into a useful energy carrier. Researchers from Yale and the University of Missouri report that catalysts made with ...