Build a powerful subwoofer from scratch and unlock deep, punchy bass for your home setup. This video walks through the key ...

In this video, I restore a rusted VIKING sword sourced from a sword seller. The restoration process includes utilizing ...

Lots of people have hobbies, whether it's flying a drone that's great for photography or collecting stamps. Some people also love building kit cars and all sorts of vehicles they show off every time ...

Imagine walking into your sweltering home after a long day, only to be greeted by a wave of oppressive heat. Air conditioners can feel like a luxury when temperatures soar, but what if you could ...

Deep in landlocked Anhui province, eastern China, a 60-something farmer called Zhang Shengwu has drawn attention by launching himself into the water — and history. Zhang, the inventor of Big Blackfish ...

A 60-year-old farmer in China has built his own "Big Black Fish" -- a homemade submarine that can accommodate two people, dive eight metres and stay underwater for 30 minutes at a time. Zhang Shengwu, ...

Chinese farmer Zhang Shengwu sits in his homemade submarine in a river in Hanshan county, in China’s eastern Anhui province - Copyright GETTY IMAGES NORTH AMERICA ...

According to Guinness World Records, the smallest submarine ever made is just 4mm, or 0.157 inches long, and was created in 1999 by the German company MicroTEC as a mini medical device. By contrast, ...