Who invented the post it notes?

The post-it note was invented by Arthur Fry, a 3M employee. In 1974, Fry was using scraps of paper to mark his place in his hymnal during church services. He had the idea to use a weak adhesive to stick the scraps of paper to the pages, but it wasn't until 1977 that he and his colleague Spencer Silver developed a suitable adhesive. In 1980, 3M began selling Post-it Notes.

What kind of tools did colonial people use for brewing?

The Second Crusade differed from the first because in second .?

Analogy 14:1… but the brave few fought against the mighty enemy
After Czechoslovakia disappeared from the map, the Polish border was also threatened from the South by the Germans and their allies. So in April 1939 the Polish administration decided to create a fortified zone in the area. The plan provided for the construction of 20 small machine guns – patrols (f
The largest war memorial in the world is a 243 kilometer road
When the First World War ended, the soldiers who had participated in it and had been lucky enough to survive returned to their homes. As in all wars, some adapted better than others in that return, but many found themselves with the unpleasant situation of not having a job. In the case of the Austr
Battle group... The cell of the German army in World War II
The German infantry platoon consisted of four battle groups, a command group and a light mortar group. The squad consisted of the chief platoon leader, who usually held the rank of sergeant or corporal, and nine men, one of whom was the platoon leaders assistant. The squad leader was armed with
The Polish Winged Hussars and the relief of Vienna
At the end of June 1683, the mighty army of the Ottoman Empire, under the command of Grand Vizier Kara Mustafa, began the siege of Imperial Vienna. How large that army was has long been discussed. Nobody knows for sure, but the number of camps set up around Vienna impressed the soldiers of the coali