Model rocketry is one of the coolest (in the geeky sense) hobbies out there, and it has already suffered greatly from regulation — where are you allowed to launch a rocket these days? — but now the Homeland Security Act has really rung its death knell, as Explosive Regulations Threaten to Kill Model Rocketry explains:
A provision deep within the regulations of the new Homeland Security Act is threatening to shut down the popular hobby of model rocketry because the propellant used to make the rocket’s solid-fueled motors is now classified as explosive material.
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Under the new rules, which fully take effect May 24, shipping companies are required to have every employee who might touch the rocket motors be certified, pass background checks and get fingerprinted — an added expense the companies are unlikely to bear.