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With a 3D printer and some 'ordinary household chemicals' to quote a certain movie you can do pretty scary stuff.
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People can do very scary things with a knife, a car, or petrol+matches.

We don't try to regulate those things out of existence like we do with new technology (drones and now 3D printers)

Kind of ridiculous that a country with more guns than people and 45k firearms deaths per year wants to regulate 3D printed plastic. Yet collecting and shooting actual guns is still an acceptable hobby in many states.

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Can a rocket be used to cut your food, take you to the supermarket or power your car?

I'm completely against regulation of any sorts on 3D printing, but you have to admit there is a huge difference in purpose there.

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The same states that want to regulate 3d printers and force you to register them and install only software that will prevent you from printing anything that even looks like a gun part are also the same states that have been trying (or succeeding) in enforcing those same sorts of broad and dubious regulations on firearms too. When you think of states whose legislatures think collecting and shooting guns is an acceptable hobby, California and New York don’t exactly top the list.
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Oh, I totally agree. I always see this as evidence that the terrorism threat is overblown, if it were really as large as we are led to believe the number of successful attacks would be far higher than it is.
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McGuyver pouring sap on a pinecone

Hiya! (Grenade)

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Exactly. Consider the current conflict in Iran. They have thousands of drones that cost $50k each. The US’s only real defense against one of these drones is to fire a million dollar missile at it. That assymmetry can win or lose a war.
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It's not the only real defense. This works pretty well too https://en.wikipedia.org/wiki/Centurion_C-RAM

There's clearly a need for more cheap interceptor drones as well, but it's not like the US military won't start deploying those soon enough.

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