How was the magnifying glass discovered ? - Magnifier for visual disability

What Are Magnifying Glasses Used For ? What Are Magnifying Glasses Used For

A magnifying glass has been used for centuries to see small objects more clearly. In fact, the first people to use magnifying glasses were the ancient Egyptians who used a clear crystal known as obsidian to view small objects better. Even Emperor Nero of Rome was known to look through gemstones to get a better view of actors while they were performing on stage.

It is believed that the first magnifier used for scientific study was designed by Roger Bacon, an English philosopher, in the 13th century.More...


How Was The Magnifying Glass Discovered ?

How Was The Magnifying Glass Discovered

Magnifying glass is not a new discovery. It was discovered centuries ago. According to historical evidence, the Roman civilization was the first to discover magnifying glass and its use in the first century AD. However, it was the ancient Egyptians who discovered a clear crystal called obsidian, and it was this crystal that the Romans figured could be used to make small object appear bigger.

This got the Romans experimenting with different shapes of the crystal. They finally figured out that if the crystal are thick in the middle and thin on the outside, a small object could be seen clearly. The Romans also discovered that if rays of the sun were concentrated on the center of the glass, a fire could be started. More...


Is There A Magnifying Glass In The Camera ?

Is There A Magnifying Glass In The Camera

Photographs are something that we all cherish. A photo can capture those precious moments in our lives and preserve them forever. The camera, though small, is a powerful tool that allows us to capture images in different environments, and different reasons.

There are cameras made for underwater photography; disposable cameras that can be used and thrown away; even the modern cell phone has a camera that allows us to click photograph of anything while we are on the move. More...


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