Add Yahoo as a preferred source to see more of our stories on Google. Kimihiro Nozawa, the head of technology research at Oriental, was determined to reinvent the paper shredder. The project took him ...

Shredders make secure document disposal quick and easy.

In this video, I demonstrate how to build a homemade shredder machine. After searching unsuccessfully for a shredder in my country and local scrap yards, I decided to take on the challenge of ...

An curved arrow pointing right. There are huge, heavy duty machines that can turn the largest of cars into tiny pieces of recyclable scrap metal. When you're watching this process, it's as if the ...