Binoculars are interesting devices that helps us in viewing distant objects with some level of magnification. It can be used for many things such as sporting events, star gazing, bird watching along with many different natural views. How it works? The below diagram shows the construction of a typical binocular: In order to understand the … Read more
Electricity is one of the most important inventions of our age. Our lives are heavily dependent on electricity. Whether it is lighting, home appliances, powering mobiles and computers, factories, transportation, in fact all sectors in some way rely on electricity. So what is electricity? Firstly it is a form of energy. It is produced when … Read more
We see different kind of colors all around us. But have you wondered what happens when different colors mix together? When two different colors mix together, they form an entirely new color. This is how artists, designers, and even scientists explore the world of colors. At the heart of color mixing are the primary colors … Read more
A microwave oven is useful device that helps in cooking delicious food for us. Have you wonder how it works? A microwave oven works by using microwave radiation to heat food quickly and efficiently. Microwave radiation As the name implies, it uses microwaves radiation to heat food. Microwave radiation is a type of electromagnetic radiation … Read more
You might wonder, if it really possible to lift things up without any visible support and that too in real world? The answer is yes but to a certain extent limited only due to current technological limitation. Before further explaining the answer, let’s first see how magnets work. If you observe a permanent magnetic in … Read more
A vacuum flask is an insulated bottle which helps to keep the liquid inside it at the same temperature at which it was added for an extended period of time. Also known as Thermos, it works by minimizing the heat transfer between the inside and outside environment. Sir James Dewar, a Scottish scientist, invented the … Read more
A compass is a tool which tells us the direction of North Pole of Earth’s magnetic field. Once you know the direction of North Pole, all other directions can be find out easily. Hence it is a useful tool for navigation and mapping. You can also use it for outdoor activities like hiking, sailing, trekking … Read more
A sundial is an ancient timekeeping device which uses the position of the sun to indicate the time of day. It has been in use well before the advent of mechanical clocks. Sundial typically has two components namely a flat plate usually known as the dial and a stick or triangular piece called as gnomon. … Read more
Historical Background Da Vinci bridge is beautiful and unique structure which was first designed by Leonardo Da Vinci in 16th Century, hence the name. The beauty of the bridge lies in its simplicity due to the fact that bridge requires no nut, bolts or any kind of adhesives to support itself. Characteristics of Da Vinci … Read more
No matter how big or small the water drops are, one thing common is that they are spherical when placed on flat surface. Whether you see it in the form dew on grass or water droplets tipping from the tap, they come in spherical shape. Have you ever wondered why is that so? If we … Read more