“A nuclear war cannot be won and must never be fought.” These words, echoed by President Joe Biden in 2024, are more than a diplomatic refrain—they are a chilling reminder that, geography and preparedness could spell the difference between life and death. Yet, as tensions rise and simulations proliferate,...

The argument of the 9mm vs. .45 ACP will never die since it is not a single debate. It is an assemblage of engineering tradeoffs that manifest themselves in various locations: gel blocks, shot timers, magazine bodies and the drywall of a typical home. The two cartridges can be configured...