The human face has 43 muscles. Many of them control the mouth movement. Some are for controlling the eyes and some for the forehead. Most of them are structured in[…]
Continue reading …
The human face has 43 muscles. Many of them control the mouth movement. Some are for controlling the eyes and some for the forehead. Most of them are structured in[…]
Old typewriters used to have complex mechanisms. They were examples of an incredible wit of good engineering. But those brilliant mechanisms are not longer necessary, so they have turned obsolete.[…]