Who Invented the Chalkboard?

Who Invented the Chalkboard?...

Mr. James Pillans is regarded as the inventor of the chalkboard (or blackboard). He was the Headmaster of a high school in Edinburgh, Scotland. However, the experts on the history of the chalkboard aren’t sure when he invented it. Blackboard and Chalkboard The word chalkboard is used mainly in the United States. It started to be used around 1935-40. In other countries and regions, blackboard is the term employed. The word blackboard has been in use for a much longer period. Records show it was being utilized as far back as 1815. Spread of the Chalkboard Exactly how Pillans conceived of the chalkboard isn’t clear. But it’s known he was using it to teach geography in the school and that he was using a chalk. The device was first employed in the US in 1801. A teacher at West Point named George Baron used the chalkboard for his math class. However the history of the chalkboard began, its use became widespread. This is understandable. Prior to 1801, teachers couldn’t present their concepts and ideas in a visual manner. In most classes, students employed slates. The material was made of wood and covered with black grit. Other slates were made of porcelain. It was where students used to write their lessons. Because there were no chalkboards, the teaching process was tedious. If a teacher wanted the students to solve a math equation, they would go to every student. The instructor would write the math problem on the slate. To make matters worse, not all students had slates. The first school in California was inaugurated in 1846. Because the students and teachers didn’t have slates, the students had to write their answers on their hands. As the history of the chalkboard...
Who Invented the Digital Camera?

Who Invented the Digital Camera?...

A digital camera is a type of camera that takes photographs or videos with the use of an electronic image sensor. This device has the capacity to display photographs on the screen several seconds after the image has been recorded. Other brands of the cameras can edit the layout, color as well as the entire appearance of the picture. Because of the popularity and wide use of the device, it is incorporated in other devices like mobile phones and PDAs. To learn about the history of the device, it is best to start with the person behind the development of the digital camera. History Who invented the digital camera? This device was first created by Eastman Kodak engineer Steven Sasson in 1975. The camera used a solid state CCD image sensor chips manufactured by Fairchild Semiconductor. The device weighed 3.6 kilograms and it took above 20 seconds to capture an image. This camera was developed as a prototype and it is not intended for mass production. However, this device has the capacity to record black and white pictures. Additionally, the first digital camera has a resolution of 10,000 pixels or 0.01 megapixels. The first digital camera that was introduced to the public is the Fuji DS-1P, which was launched in 1988. The device has a 16 MB internal memory card and it has a battery. The device was not launched in Japan as well as in the United States. The next digital camera that was commercially available is the 1990 Dycam Model 1. It has a CCD image sensor and it can be connected to a computer or a laptop to transfer and store data. Eastman Kodak launched the first professional digital camera named as the Kodak DCS-100 in...
Who Invented New Year’s Resolutions?

Who Invented New Year’s Resolutions?...

Introduction When someone decides to break a habit or start doing something new at the beginning of the year, it is called a New Year’s Resolution. It is generally a commitment or promise that would be good to oneself and/or others. Typical resolutions include the giving up of a harmful habit (e.g. smoking, drinking), starting a diet, becoming more punctual or self-confident and so on. Surveys suggest that people have a very low success rate with their New Year’s Resolutions. But they continue to be practiced. It’s not unusual for the same person to make the same commitment year after year. Invention and History of New Year’s Resolutions Who invented New Year’s Resolutions and where did they begin? Well, people have always associated new years with a fresh start. Even in the most ancient traditions, it was a custom to make improvements at such times. For example, in the Babylonian empire people made promises to do better starting March 23, their new year (spring equinox). One common resolution was to give back something one had borrowed in the past year. In Rome, Janus was the god of the New Year. The month of January was named after him. The New Year began on January 1 according to the Julian Calendar invented by Caesar in 46 BC. Janus had two faces: one looked back on the past and the other into the future. The Romans worshipped him as a symbol of endings and new beginnings. During the holiday, they would do things that would hopefully kick off their year to a good start. They would make up with people they quarreled with and exchange gifts. Out of vanity, the Roman emperors kept on tampering with their calendar until it became...
Who Invented the Sandwich?

Who Invented the Sandwich?...

One of the highly popular types of food, the sandwich is known for its enticing taste and yummy ingredients. More importantly, it makes eating a more convenient experience because people can bring it easily almost anywhere they want. It is sold widely in cafes and restaurants all over the world. Aside from these important things, it is good to know other interesting details about this particular type of food including who invented the sandwich. The Invention of the Sandwich Who invented the sandwich? If we are to look back at history, you can trace the roots of the sandwich back to the Netherlands. In the 17th century, the Dutch people were reportedly preparing slices of beef and butter together with bread. This early form is connected directly to what is known today as the English sandwich. At first, it was considered food that people share while drinking and gaming particularly at night. Slowly, it became part of more polite society. Additional Facts and Other Important Information In the 19th century, the popularity of the sandwich experienced a dramatic increase in England and Spain. During that time, people were looking for inexpensive, portable and fast meals to meet the demands of a faster-paced life associated with an industrialized environment. In the 20th century, it became part of the diet of Americans. At the same time, this type of food became popular in the Mediterranean area. Based on historical accounts, the sandwich got its name from the fourth Earl of Sandwich John Montagu. He was an English aristocrat from the 18th century. Open-faced sandwich refers to a food made out of one slice of bread topped with salad vegetables, meat and different kinds of condiments. It is different from the traditional...
Who Invented the Slinky?

Who Invented the Slinky?...

Slinky refers to a toy that is made from a helical spring that can reform itself with the help of the gravitational force. The toy is very famous in different countries because it has unique properties such as it stretches like an ordinary rubber band. Aside from being a toy, the merchandise is used by college professors as well as high school teachers to discuss the various characteristics of waves. In addition, the item was used by the troops sent by the United States to the Vietnam War to enhance the effectiveness of their mobile radio antennas. To learn more about this item, let us explore the history of the development of the Slinky. History of the Product Who invented the Slinky? United States Navy engineer Richard James was recognized as the inventor of the product. He invented the product in 1943 while working at the shipyards of William Cramp and Sons in Philadelphia, Pennsylvania. He accidentally created the item while doing experiments on springs that have the capacity to stabilize and support instruments that were commonly used in ships at this time. His wife Betty James gave the name Slinky to the toy. The name of the toy means sleek and graceful. When the couple told the children near their place about the toy, they instantly became interested. To make money out of the invention, Richard James and his wife got a loan of $500. They used the money to produce the item and established the James Spring and Wire Company. They packaged the toys in yellow papers and offered these for $1 each. At first, the couples had a hard time selling the products but in November 1945, they constructed an inclined plane at Gimbels’ toy section....
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