XKCD 3194: 16 Part Epoxy
Alt text:Some surfaces may seem difficult to glue. But if you research the materials, find tables of what adhesives work on them, and prepare your surfaces carefully, you can fail to glue them in a fun NEW way that fills your house with dangerous vapors.
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XKCD 3198: Double-Pronged Extension Cord
Alt text:'Oh, and can I borrow 50 sacks of loose flour, a pile of lithium-ion batteries, a bucket of bleach, and a bucket of vinega--' 'NO!!!!!!'
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Double-Pronged Extension Cord