This latest technology may be the best one yet, as waterless toilets are aimed to save the environment. They have been designed to use no water at all for flushing to reduce the need to have a big septic tank underneath the house. They would also allow homeowners to have their own tiny wastewater treatment system.

So how do waterless toilets work?
According to a report from How Stuff Works, wastes are expected to fall within a rotating container which flips over when the lid of the toilet is closed and goes back upright when the lid is opened. Liquid and solid waste will now fall into a chamber with water. Then a rotating wiper, or scraper, will be cleaning the container of any leftover waste.

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