Old inventions

History of Power Banks - Who Invented the First Power bank? - Why do lithium batteries explode? - advantages of the lithium battery.

Alexander Graham Bell invented the first telephone in 1876. It changed the world because it made communication much more easier. Before the telephone was invented, people had to go personally to someone's house to tell them something.

The bicycle has a complicated past fraught with controversy and misinformation.

The electric telegraph was a famed communication system used for nearly a century before being replaced by newer forms of communications.

The beauty micrometer, also known as the beauty calibrator, was a device designed in the early 1930s to help in the identification of the areas of a person’s face which need to have their appearance reduced or enhanced by make-up. The inventors include famed beautician Max Factor, Sr. Placed on and around the head and face, the beauty micrometer uses flexible metal strips which align with a person’s facial features. The screws holding the strips in place allow for 325 adjustments, enabling…

The telephone was invented for love.

Single Treadle Sewing Machine - The Jewish Museum London

A quick look at the evolution of the home lightbulb from the late 1800s to the present. The advantages and disadvantages of each type of lightbulb is discussed and how each type produces light.