When was concrete discovered?

Answer Since the dawn of time, man has mixed earthen materials to make durable building products. Concrete was used in various primitive forms by the Chinese, Egyptians, and Greeks. However, it was in the... Read More »

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When were the Fiji Islands discovered& who discovered them?

The original inhabitants of the islands of Fiji came from Melanesia some 3,500 years ago. Dutch explorer Abel Janzsoon Tasman sighted the northeast islands of Fiji in 1643. British Captain James Co... Read More »

When was RDX discovered?

RDX, which is commonly found in explosives, was discovered in the late 1890s. It was first considered for use as a medicine until the 1920s when it was found to be explosive.Source:University of No... Read More »

When was the GMO discovered?

Genetically modified organisms, or GMO, were first discovered in 1973. The discovery of DNA and the recombinant microbe helped in the discovery of GMO. The development of GMO can be used to prevent... Read More »

When was photography discovered?

Photography was first done by a Frenchman by name Joseph Nicephore Niepce in the year 1827 with the help of the device known as obscura or pinhole. Niepce was not responsible for the invention of t... Read More »