physics package

The nuclear components that comprise the core of a nuclear weapon; as opposed to the non-nuclear components.

The combination of fissile uranium/plutonium, fusion fuel, high explosive lenses, tampers, and x-ray reflecting materials would be considered the 'physics package'. Other components of a weapon, such as guidance systems, triggers, and motors or engines would not.

I want you to open up this Tomahawk missile, so we can see what's gone wrong. But don't touch the physics package!

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manchester screwdriver

A hammer, when used as an alternative method of inserting screws, often as a last resort. Named after the city of Manchester, UK.

"It's cross-threaded... hand me a Manchester screwdriver, will you?"

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