minerals

HumansInvent: In places like Singapore, where fresh water is scarce, one method to obtain drinking water is to filter out the salt from seawater. The usual process for doing this is known as reverse osmosis. Using membrane filtration technology, the salt is filtered out and chucked back into the sea. But this is an expensive, […]

HumansInvent: In places like Singapore, where fresh water is scarce, one method to obtain drinking water is to filter out the salt from seawater. The usual process for doing this is known as reverse osmosis. Using membrane filtration technology, the salt is filtered out and chucked back into the sea. But this is an expensive,