18th century instrument to determine the sky’s ‘blueness’ called a Cyanometer:
The simple device was invented in 1789 by Swiss physicist Horace-Bénédict de Saussure and German naturalist Alexander von Humboldt who used the circular array of 53 shaded sections in experiments above the skies over Geneva, Chamonix and Mont Blanc.
Yes, it’s essentially no different than a plastic cup, except it is. And what took so long? It’s almost as if inventors of alcohol-related products quit trying after the flask and that hat that lets you drink beer through a straw. If you’re reading this, Anheuser-Busch V.I.P. guy, let’s set up a think tank and brainstorm some new products for all the drunks of tomorrow. They deserve it.
The Kilij was a revolutionary weapon for the Ottomans because it is perfect for the conditions in which they were fighting. Because of its curved shape it is a perfect slashing weapon, especially in the stomach area. It is also extremely effective against chainmail. Finally it is a great weapon on horseback and on ships. Overall, this weapon is one you would enjoy having in your arsenal.