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It’s really amazing what you can find at military surplus shops. [David] just built a radiation detector out of a DT-590A scintillation probe originally made to test if Air Force bases were contaminated with Plutonium. Who says nothing good came out of massive nuclear arsenals? DT-590A / PDR-56 Gamma ray probes were made obsolete by the US Air [...]

Tags:  surplus air radiation david nuclear-arsenals measure-radiation radiation-detector Hardware  

A few years ago, Tube Clock forum member[Sine1040] bought a set of four brand new aircraft indicator units that were built some time in the early 70’s. He had no idea what the units were actually used for, but he did know that he could repurpose them into some pretty slick looking clocks. He disassembled [...]

Tags:  surplus clocks aircraft clock-forum new-aircraft forum-member classic hacks  

Because surplus LED panels from an early 1990s supercomputer is a completely reasonable thing to own, [William Dillon] set to work displaying them on his wall. The LED panels came from a surplus CM-5 Connection Machine, best known from it’s role as the mainframe in Jurassic Park (only an empty case with LED panels were [...]

Tags:  surplus led rescuing william-dillon jurassic-park empty-case blinkenlights hacks  

[Julian] was rummaging through a military surplus store when he spotted a pair of old helicopter pilot helmets that he absolutely had to have. At $25 they were a steal, but pretty useless in their current state. He decided to modify one of the helmets for use while playing video games, but he didn’t stop [...]

Tags:  surplus store gear julian military-surplus-store pilot-helmets helicopter-pilot misc hacks  

[Henry Herndon] is working on building an electric kart, mostly with surplus parts. He’s got some experience with electric vehicles but that doesn’t mean the build is going without a hitch. So far he’s come up with a way to make the peculiar motor shaft play nicely with his rig but once everything was put [...]

Tags:  surplus electric kart henry-herndon electric-kart motor-shaft electric-vehicles transportation hacks