With plutonium no longer needed for use in the world's abandoned fast breeder reactor programmes and nuclear powers getting rid of their atomic weapons, large stockpiles of the highly toxic plutonium metal are starting to build up.

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You get the same all-around plastic build -- ringed here with metal -- ports for microSD and micro-SIM, 3.5mm headphone jack and physical home key.

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Human creativity, it seems, knows no bounds when it comes to inventing new ways to build a petroleum-based fire inside an enclosed metal space and then convert the resulting energy pulse into forward motion.

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For starters, that spun back is now made of plastic, not metal, so although it looks like the Prime and Zenbook line, the build quality isn't quite as impeccable.

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It is a system of metal construction where parts can be attached to each other, which is often used in industry to build prototypes.

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