See the assembling of a mini water filter machine with this easy-to-follow guide. Perfect for science projects or home use, learn the steps to create an efficient and compact water filter.

Learn how to make a mini water filter for your DIY tractor with this straightforward guide. Ideal for improving water quality in small-scale projects, this filter is easy to assemble and effective.

Drop by Drop also releases oxygen into the room. "The proof of concept is indeed a mini version of the Amazon," said Ghosh, a student of the Royal College of Art's (RCA) masters programme in ...