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Idle Chinese factory worker commercializes DIY Mini Submarine

A worker from the most populous city in Central China uncovered substantial market for underwater vessels and decided to open his own submarine building factory. He started this factory with around $400 thousand start-up and has got ten employees. Buildin

Seven strange DIY projects you shouldn’t try

DIY projects are a rage among the youth. The joy, the pride and the satisfaction that you receive after completing a DIY project is incomparable to anything else in this world. While some enjoy doing DIY projects that are simple and interesting, there are

How to build your own ‘Infrasonic Subwoofer’

An infrasonic subwoofer is a woofer or a complete loudspeaker which is dedicated to the reproduction of low-pitched audio frequencies. The typical frequencies’ range for a subwoofer are about 20-200 Hz for the consumer products, below 100 Hz for professio

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