White gold is an alloy of gold. It is made by mixing pure gold with silverish-white metals, such as silver and palladium. It was originally developed to imitate platinum, a precious white metal. In the industry, “white gold” is often...
The findings from years of psychological researches have led us to believe that humans are the most intelligent species on the earth. We possess a larger prefrontal cortex (a brain section associated with cognition) than any other animal species and...
Gasoline is one of the most common fuels used to power scooters, motorcycles, cars, lawnmowers, boats, and other machinery. More specifically, it is used in spark-ignited internal combustion engines. It contains petroleum (naturally occurring liquid...
The invention of the television cannot be credited to one person. There are many TV pioneers, but John Logie Baird, Charles Francis Jenkins, Philo Taylor Farnsworth, and Vladimir Zworykin made important contributions in the early 20th century. ...
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...
Vantablack is a fascinating material created by British company Surrey NanoSystems. It is one of the darkest known substances that can absorb as much as 99.965% of visible light (if light falls perpendicular to the material’s surface)...
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 National Basketball Association, or NBA, is the most popular and best professional basketball league globally. Its popularity can be perceived by the fact that more NBA players make the list of highest-paid athletes than any other sports. As a...
The megadiverse countries are a group of nations that contains more than 70% of the earth’s bio-diversity, identified in 1998 by Conservation International (CI), to promote the awareness for biodiversity conservation among the world nations...
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.’...