Happy belated Father's Day, internet -- now please enjoy some video of Ben Heck modding a toilet. The tinkerer-turned-host offered up one of his more unsanitary projects over the weekend, involving a bathmat, a Glade Plug-in, a porcelain throne and a Tron-esque lighting scheme. Step on the weight-sensing mat and the conductive ink will go to work, lighting up side illuminating fiber optics on the toilet, should the photocell determine it dark enough. All of this means not having to turn on the bathroom lights once that nightcap is ready to make the next step in its magical j