Author: Abdul Wahab
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Telescope
The telescope is an instrument that allows us to see the distant objects closer. We can view objects that are far beyond the range of our eyes. This instrument had opened the new door for us to study the space from the Earth and changed our understanding of the universe. […]
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Sewing Machine
The Sewing machine is one of the most useful machines ever invented. Before the invention of sewing machine, sewing clothes was a very time-consuming process. For each stitch, tailors had to be focused to make it proper. But the invention of sewing machine changed that all. Tailors time was saved […]
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Light Bulb
Today electric lights have become the important and highly used appliance in our daily lives. We need it for lighting our houses, building and streets etc. Today we have handheld portable lights that can provide a backup time of more 12 hours. The technology that we use today may be […]
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Hot Air Balloon
Hot Air Balloon is a light than air vehicle. It consists of a large bag called envelope that holds the air inside, and a basket (or gondola) that is suspended beneath the bag in which passengers are carried. A source of heat mostly propane is carried, to heat the air […]
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How Electricity is made?
Electricity is a widely used source of the energy. Which we use all the time to power our homes, schools, offices and industries etc. Today almost every common household appliances use electricity as a power source. So, how this electricity is made and supplied to your homes? Let’s see a […]