Structure and the importance of the levers
The levers are the most common simple machines that help man to perform heavy tasks easily. They were first described in 260 B.C, The liver is affected by an effort force and a resistance...
Science Online What's new?
Observing space and invention of Telescopes, Hubble telescope and Satellites
Who was the first scientist to make the astronomical telescope? Galileo was the first scientist to make an astronomical telescope in 1609. It was made from lenses to collect the light in his telescope....
Uses of fluorescent lamps and their structure
There are different types of electric lamps, but the most popular of these lamps are fluorescent lamps and light bulbs. The fluorescent lamps are a type of lighting lamp known as neon lamps, but...
Uses of light bulbs and their structure, Types of the bases of the light bulb
Electric lamps are tools that convert electric energy into light energy by passing electricity through them. There are different types of electric lamps, but the most popular of these lamps are light bulbs and...
