Many Stone Age societies across the world used naturally occurring glass, such as the volcanic glass obsidian, to make sharp cutting tools. However, according to the archaeological evidence, the first true glass was created in coastal north Syria...
Whenever we talk about superheroes, the first few things that pop into our minds are physical strength and supernatural abilities that make them so destructive and dominant. But the thing about physical strength is that it cannot be the only...
Made from wood pulp or plant fiber, papers are the world’s favorite material. For more than nineteen centuries until the advent of the World Wide Web, almost all written information was transmitted in printed form. The era of the...
The term “Oligopoly” is derived from two Greek words: oligos, which means “small or little,” and polein, which means “to sell.” In economics, oligopoly can be defined as a market structure wherein a particular...
What’s comes into your mind when you hear the word ‘kraft paper’? For some people, it’s a thick brown paper used to pack lightweight things. For others, it’s just a fancy paper used in school projects. With increasing...
For many US citizens, the first moon landing (1969) remains the most memorable moment in the history of spaceflight. It was an era when the Soviet Union and the United States were rushing to prove their dominance. During this space race, a lesser...
The Spanish flag, or the flag of Spain, is made up of three horizontal stripes of the color: red (at the top and bottom) and yellow (in the middle). A popular alternative name of the flag, in Spanish speaking nations, is ‘la Rojigualda.’...
The Manhattan Bridge is one of New York’s great bridges that runs between Canal Street in Chinatown Manhattan and Flatbush Avenue Extension in Downtown Brooklyn. It carries truck, automobile, bicycle, subway, and pedestrian traffic over the...
According to the conventional Egyptian chronology, the civilization of Ancient Egypt was established around 3100 BC following the unification of Egypt, possibly under King Narmer. The entire history of civilization is divided into three kingdoms;...
What is the tallest structure humans could ever build? Considering the shape of Earth and existing technology, we could possibly build a 4-kilometer-tall and 6-kilometer-wide building. It would have 800 floors that could accommodate up to one...
