Search results
Results from the WOW.Com Content Network
Spring scissors continued to be used in Europe until the 16th century. However, pivoted scissors of bronze or iron, in which the blades were pivoted at a point between the tips and the handles, the direct ancestor of modern scissors, were invented by the Romans around 100 AD. [6]
The timeline of historic inventions is a ... Scissors, in Mesopotamia. [195] ... Surgical masks made of cloth were developed in Europe by physicians Jan Mikulicz ...
Post services were founded all over Europe, which allowed a humanistic interconnected network of intellectuals across Europe, despite religious divisions. However, the Roman Catholic Church banned many leading scientific works; this led to an intellectual advantage for Protestant countries, where the banning of books was regionally organised.
A pair of scissors with orange plastic handles, the best-known product by Fiskars. The company traces its origins to 1649, when a Dutch merchant named Peter Thorwöste was given a charter by Christina, Queen of Sweden, to establish a blast furnace and forging operation in the small village of Fiskars; however, he was not permitted to produce cannons. [5]
The screw, the last of the simple machines to be invented, [11] first appeared in Mesopotamia during the Neo-Assyrian period (911-609) BC. [9] The Egyptian pyramids were built using three of the six simple machines, the inclined plane, the wedge, and the lever, to create structures like the Great Pyramid of Giza. [12]
The present chronology is a compilation that includes diverse and relatively uneven documents about different families of bladed weapons: swords, dress-swords, sabers, rapiers, foils, machetes, daggers, knives, arrowheads, etc..., with the sword references being the most numerous but not the unique included among the other listed references of the rest of bladed weapons.
The first European mention of the directional compass is in Alexander Neckam's On the Natures of Things, written in Paris around 1190. [44] It was either transmitted from China or the Arabs or an independent European innovation. Dry compass were invented in the Mediterranean around 1300. [45] Astronomical compass (1269)
The hourglass, invented in Europe, was one of the few reliable methods of measuring time at sea. In medieval Europe, purely mechanical clocks were developed after the invention of the bell-striking alarm, used to signal the correct time to ring monastic bells.