According to Bismarck the two things you should never see being made are laws and sausages. Here we reveal the machines involved in the process that is less stomach churning - it involves taking meat and making it into a brown paste then putting it into a colon, traditionally pigs intestines but now plastic. The irony of this being the exact reverse of eating and pooping, obviously hadn't been lost on the German general.There are no more distressing images here beyond what you'd see in the meat section at the supermarket (merely gross ones), but the clip for the Advanced Meat Recovery System which is accompanied by some smooth dinner jazz and whose opening caption reads ‘preparing the beef neckbones with a bandsaw' wins a prize for lack of sensitivity.

No other chair extracts more money than the one you sit in to have teeth extracted. Dental chairs have become a testing ground for high tech wizardry and ergonomics, evolving from decorative Victorian models worthy of Dr. Frankenstein's lab., to space-age pods with insect-like composite limb attachments.

Inflatable structures have the advantage of being able to be deployed very quickly, and the disadvantage that they are vulnerable to failure, over time. This makes them ideal for temporary shelters, from mine accidents to military deployment, festivals and even on the moon.

You can pick up an old Boeing jetliner for the price of scrap, and turn it into the ultimate trailer home. Here are some of our favorite examples of recycled planes used as houses and restaurants, including a former Irish airliner that ended up as a bar in Syria and a Jumbo Jet that is a restaurant in South Korea.

From giant wind blown animal sculptures to an armored mechanical shark. The number of possible entries in this list is huge. Here is a selection of some of our faves, vote for yours.