Abstract: In this paper, the liquid oxygen methane rocket engine is taken as the research object, and based on the idea of modular modeling, the engine simulation model is constructed by using the ...

Abstract: Petri Nets are an increasingly used modeling framework for the spread of disease across populations or within an individual. For example, the Susceptible-Infectious-Recovered (SIR) ...

Tesla is ending production of the Model S sedan and Model X SUV, CEO Elon Musk announced Wednesday during the company’s quarterly earnings call. The company will make the final versions of both ...

DEAR MISS MANNERS: I think the reason that people think using “ma’am” or “sir” is offensive stems from the idea that you have to assume someone’s gender identity in order to use them. Related Articles ...

If a new pathogen causes a large epidemic, then it might “burn out” before causing a second epidemic. The burnout probability can be estimated from large numbers of computationally intensive ...