
Hairbrush
-Lyda NewmanIn this article, we review the history of development of hair brush, this widely used everyday tool!

Screw
-Peter Lymburner RobertsonHave you ever wondered how the screw was invented? Has the shape of the screw, as a component of a strong mechanical connection, been the same since its beginning? Who are the powerful inventors in...

Hollerith tabulating machine
-Herman HollerithPrior to the invention of the Hollerith tabulating machine, census results were counted by hand, and data processing usually took years. For example, the final results of the 1880 census were...

Car Spark Plug
-Gottlob HonoldSpark Plug is one of the main components of any car engine that is responsible for igniting and, in a way, lighting the car. In this article, you will become familiar with the interesting and...

Microphone
Today, microphones are found almost everywhere; from professional microphones in the radio studio to tiny microphones built into cell phones that users could carry easily to everywhere. Do you...

Scissor
Scissors are of those everyday use devices which can b found in all of the homes, companies or even public places. But do you know when scissors were invented and who was the original inventor?

Wrech
Do you know how and when the wrench was invented? Who is the original inventor of this practical tool and how has been its evolution over the years?

drinking fountain
-Luther T HawsIn this article, you will read about history of drinking water fountain. who invented it and how this invention developed by years.