fill-nerf-cannon By Paul Spinrad, 03/02/2012 @ 2:12 pm= | Full size is 600 × 448 pixels Date Taken: 01-Mar-2012 16:17:51Camera: iPhone 4Focal Length: 3.85mmAperture: f/2.8ISO: 125 Paul SpinradI'm a broad-spectrum enthusiast, writer, editor (Wired, MAKE, Timeline), maker, and dad who lives in San Francisco.