S CREATIVE WRITER

Television A Television is a device that electronically transmits moving pictures and sounds over a distance. It is one of the most important means of communication. The word ‘television’ means ‘far sight’. It is. derived from the Greek word tele which means ‘far’ and a Latin word vision which means ‘sight’. Televisions bring pictures and sounds to homes from around the world. These images are relayed by communication satellites in the form of radio waves. Television sets have aerials that receive the waves and change them into moving pictures and sounds. Web TV Web TV technology was invented in 1996. The first web TV sets were produced by Diba Inc. and Zenith Electronics. Web TV is commonly used to access the Internet through television sets. It provides a set top box that connects to the television and the telephone line. The web TV network was bought by Microsoft in 1997. Vladimir Kosmich Zworykin Vladimir Kosmich was a Russian-American inventor. He was a pione...

Microscope A microscope is an optical instrument that is used to view objects that are invisible to the naked eye.Microscope use a combination of the images of very small objects. The first microscope were known as 'flea glasses' as they were used to view fleas or tiny creeping things.These microscope were simple tubes with a plate  and a lens at the ends.they magnified the image to more than 10 times the actual size. The first microscope the art of grinding glasses and making spectacles was known to people since the 14th century.the first microscope was made by Hans and Zacharias Jansen of the Netherlands in 1590.Hans and Zacharias Jansen were lens maker they made a microscope by placing two lenses in a tube Microscopy Microscopy is the science of examining small objects using microscope.the three branches of microscopy are optical microscopy,electron microscopy and scanning probe microscopy. Robert Hooke Robert Hooke was a British scientist. he lived i...