When was electricity invented?

George Carlin says “electricity is just organized lightening” or we can say that electricity always existed it was not invented instead it was discovered. It has become a very important part of today’s life. Most of the things and appliances we use run on electricity. […]

Who invented Eraser?

In 1770, a famous British scientist Joseph Priestly discovered a substance which he found was suitable for wiping the marks made by black lead pencil on paper. English engineer, Edward Nairne is also given the credit for inventing the first commercial rubber eraser in 1770. […]

Who invented the dictionary?

Dictionaries have been around since 2300 BC and the oldest dictionaries were discovered in Syria. Over the years Chinese, European, Arabic and English dictionaries were also written. Robert Cawdrey, an English school teacher published the first English alphabetical dictionary. However it was Samuel Johnson who […]

Why is it called good friday?

Not only by the name of “good Friday” have we called this day. In different countries it is known by different names. In Latin America, France Italy, Vietnam, Japan, Brazil, Portugal, Spain, Philippines is called as “holy Friday”, “Mourning Friday” in Germany, “long Friday” in […]

Who invented Earphones?

Earphones are an evolved form of headphones that was first invented by Nathaniel Baldwin in his kitchen and was supplied to the US Navy. Nathaniel Baldwin was born on December 1, 1878 in Millard County, Utah. Even when he was a child, he had a […]

Who invented Holograms?

The concept of Holography was invented by a Hungarian-British scientist and engineer Dennis Gabor in 1947. He was awarded a Nobel Prize in Physics for this work in 1971. Born in Budapest in a Jewish family his name by birth was Gunszberg Denes. After working […]

Who invented Glasses?

Glasses are reading or seeing lenses mounted on suitable frames with stems worn over the nose in front of the eyes, the stems are placed over the ears so that they do not fall off. They are worn for eye protection as well as for […]

Who invented the fountain pen?

Though the earliest records that talk about a reservoir pen dates back to the 10th century, the modern fountain pen with a replaceable ink cartridge as we know it was invented by Petrache Poenaru, a Romanian inventor. He received a patent issued by France in […]

Why the Roman Empire fell?

Two thousand years back when the civilization was developing roman republic was the one who became strong and created an empire. Life started in the Rome which leads to many achievements and inventions. Everybody was happy and earning enough money including the rulers of empire […]