You know who I am thankful for this Thanksgiving season? Inventors. I have a huge amount of admiration for people who can see ...

Not many people know how to make these genius inventions Thanks for watching. I would be happy if you like and support. Few ...

"Primitive inventions ... have already been covered in volume 7 of this series ... My purpose was rather to select and explain the operation in their simpler forms of a few inventions, conceived ...

Across the world, the 19th century was a time of great change. Life looked very different at the turn of the 20th century ...