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Who Invented the Refrigerator?

Who Invented the Refrig...

A study of the history of the refrigerator will reveal that the Scottish chemist William Cullen to be the first to use artificial refrigeration. He did it in Glasglow University in 1748. But the idea of preserving food using cool temperatures began much earlier. Early Experiments One of...
Who Invented the Clock?

Who Invented the Clock?

Who invented the clock? Introduction Many types of clocks are in use today. Each kind has its own inventor and history. But from the beginning, men have used all kinds of objects and materials to be able to keep time. Here are the different types of clocks used and how they were...
Who Invented the Electric Water Heater?

Who Invented the Electr...

When you take showers or full baths nowadays, you can choose to have cold or hot water to wash yourself with. That is now one of the basic commodities that we have thanks to the person who invented the electric water heater years ago. Various Records of the Water Heater Some say that it...
Who Invented Opera?

Who Invented Opera?

The history of opera began in the 1500s in Italy. Jacopo Peri’s Dafne (1598) is widely held to be the first opera ever performed. The Earliest Operas By the 15th century, several new musical instruments had emerged, notably the trumpet. This instrument, along with other ones, changed...
Who Invented the Alkaline Battery?

Who Invented the Alkali...

An alkaline battery is a kind of a rechargeable battery or disposable battery that is dependent on the reaction between the compound manganese oxide and the element zinc. Many consumers prefer to use alkaline batteries over zinc-carbon batteries because alkaline batteries have longer...
Who Invented Physical Fitness?

Who Invented Physical F...

Who Invented Physical Fitness? Physical fitness as a special discipline was unknown in times past. Men and women had to go out and get things just about all the time. So there was no need to invent activities just to stay fit. Primitive people (10,000 BC and earlier) for example, were...
Who Invented String Art?

Who Invented String Art...

Introduction String art refers to a novel type of design that became popular in the 1960s. It is made up of colored strings bound together to form interesting geometric patterns and shapes. String art has its basis and origin in mathematics. One can design an endless variety of string art...
Who Invented the Ironing Board?

Who Invented the Ironin...

After the emergence of the iron, many had lesser predicaments regarding the look and feel of their clothes that they wear. But using the early models of the iron still posed a new problem: Where to iron the clothes? That question seemed to be voiced by a lot of people before a black...
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