Gold has been known for more than 5500 years as an attractive and highly valued metal. While it is sometimes found in nature as the free metal, a large quantity of gold is found in conjunction with calcite, tellurium, quartz, zinc, copper, and lead...
How did the Universe we know come into existence? And how do we explain its origin? These are some of the questions cosmologists and physicists have been trying to unravel for decades. Undoubtedly, every piece of evidence and data collected over the...
The word ‘scientist’ was coined by philosopher and theologian William Whewell in 1833. It describes someone who carries out scientific research to advance knowledge in a particular field. Nowadays, many scientists hold advanced degrees...
Rocket propulsion is a fascinating technology. A technology that generates enough thrust to move an aircraft through the air. But do you know that rocket technology was invented by the Chinese in the 13th century? Of course, rockets were then not...
Vending machines are designed to provide convenience and accessibility, allowing you to purchase items without human assistance or a traditional retail environment. They are self-service devices that automatically dispense items after you...
Tick-tock, tick-tock, tick-tock — the steady rhythm of a watch’s heartbeat has been a flawless representation of precision and elegance for centuries. From the complexities of mechanical movements to the advances in modern smartwatches...
The word paper comes from Latin papyrus, which is a material made from the pith of the aquatic flowering plant named Cyperus papyrus. Ancient Egypt civilization used papyrus (a lamination of natural plant fiber) for writing before the invention of...
When it comes to injustice, unfairness, or discrimination, even the field of science is not exempt. The 19th and 20th centuries witnessed remarkable inventions from gifted minds. However, not every scientist received the recognition and fame they...
It’s really hard to make money, and maintaining a massive wealth is equally difficult. In the last couple of decades, we have seen many billionaires losing their money in a matter of months. But what led to these losses? Well, most are a...
From a human’s perspective, small can be anything from a single-cell organism to miniature replicas of much larger things. We once thought that atoms were the building blocks of everything around us. But then, the protons, electrons, and...
The Chainsaw Man anime is packed with lots of action, gore, bloodshed, and dark comedy. It involves Devil Hunters, a group of individuals who fight against powerful devils whenever they threaten the world’s peace. However, their relationship...
The calculators we know today were first invented in the 1960s, and the use of smartphones as calculators began in the 1990s. However, that does not mean that mathematical tools weren’t available a century ago. Several computing machines were...