{"version":"1.0","provider_name":"Rainbow Dash Network","provider_url":"http:\/\/rainbowdash.net\/","type":"link","title":"Patch (patch)'s status on Thursday, 05-Jan-12 19:01:09 UTC","author_name":"Patch (patch)","author_url":"http:\/\/rainbowdash.net\/patch","url":"http:\/\/rainbowdash.net\/notice\/886740","html":"Okay, got it. There's a piston and an air chamber in Nerf guns. The piston is used to compress the air in the cylinder, and the compressed air is used to fire the dart. In a direct plunger system, the piston moves. In a reverse plunger system the *chamber* is the thing that moves."}