In recent years, there have been some incredible new inventions that use state-of-the-art technology and the latest innovations. However, there have also been some very simple inventions that have ...

You know who I am thankful for this Thanksgiving season? Inventors. I have a huge amount of admiration for people who can see a problem and then come up with a solution, beginning with the wheel. I ...

CC0 Usage Conditions ApplyClick for more information. "Primitive inventions ... have already been covered in volume 7 of this series ... My purpose was rather to select and explain the operation in ...