Water crisis is approaching all of us very soon. Already some where in Africa people are killing each other for water So we need to find a way of conserving water. Water still is a machine which converts saline or dirty water into drinking water by distillation. Yes, we in India have large coastlines, and if necessary we can use sea water. But the costs are very high and are not affordable to rural poor. The people who need it most. An entrepreneur Garbiele Diamenti has designed a solar still which does not need electricity or any expensive parts. This still is called EliDomestico. It works like this. " Pour water into the spout at the top and walk away. Thanks to the circular top, no matter the time of day, it's hit by maximum sunlight. The heat turns the water into steam, which travels down through a nozzle and condenses against the lid of the bowl at the bottom of the still. At the end of the day, the bowl is full of safe, potable water." The s