Refrigerator is found in almost everybody’s kitchen. It is used to store the leftover food instead of throwing it and helps to keep the things cold.
Air conditioning and refrigeration work on the same idea. It does not cool but removes …
Today almost everyone is using cell phones but do we know how it works?
Cell phone is basically the combination of two technologies or inventions. One is the telephone and other is the radio. Telephone was the invention of Graham Bell …
Speed varies from plane to plane but average speed of a plane is five hundred and eighty miles per hour.
Jet airlines can fly at the speed of 600 mph. And some others can go at the 2000 mph. It …
Every living organism on earth has brain whether it is a bird, reptile, fishes, mammal etc. human brain is different from all the above and controls or instructs all the functions of our body. Like inhaling, exhaling, blood pressure, heart …
Two thousand years back when the civilization was developing roman republic was the one who became strong and created an empire. Life started in the Rome which leads to many achievements and inventions. Everybody was happy and earning enough money …
Gps means global positioning system. A small gadget having gps receiver tells you about your current location or where you are standing on the earth at that particular moment. Earlier people used landmarks, maps etc to save themselves from getting …
Any electronic device like telephone, computer and entertainment system is made up of many different parts. If we want to create communication among these devices than we have many options like wires, radio signals, light beam, many connectors, protocols etc. …
Heart is one of the most important organs of our body. It acts as a pump for supplying oxygenated blood and nutrients to all parts of the body. It is cone-shaped and approximately similar to the size of human fist. …
The word “anxiety” has been taken from “Greek” which means “to constrict”, grab the sensation of tightness physically. We are living in the age of uncertainty, quick life and technology which leads us to anxiety, fear and depression. To get …
Many fishes have scales but clingfishes do not have. Their body has a layer which is called mucous. Scales on the fish body helps fish in some ways like:-
Firstly it acts as a protective layer so that harmful objects, fungus, …
Exterior coating of Statue of Liberty is made up of copper metal which protects the statue. Copper can easily react with other elements. The Statue of Liberty is green in color because a process called oxidation has happened.
In this process …
Cancer is a type of disease in which mutated cells i.e. cancer cells in our body starts increasing very quickly which can harm the healthy cells and can be dangerous to our lives when it becomes uncontrollable. It may be …
Stress is a strain that disturbs us physiologically, emotionally or psychologically. Whenever we have to face stressed situation our body response in a way called “fight or flight”. During stress hypothalamus in our brain releases hormone called cortisol, norepinephrine and …
Bones are very important for our body which gives support and shape to our body. Imagine your body without bones it will be like a bag of flesh. Bones have the protective functions. They protect inner organs like brain is …
Learning about the body language is a skill. If we can interpret the body language of others then we can better understand what he feels and thinks, whether his words are matching with his words or not. To interpret body …
The ocean trenches are narrow topographic depressions in the sea. These trenches form the deepest points in the ocean and are the lowest points on earth.
These trenches are formed at a particular place of plate boundary which is known as …
George Carlin says “electricity is just organized lightening” or we can say that electricity always existed it was not invented instead it was discovered. It has become a very important part of today’s life. Most of the things and appliances …
Plastics bags are made up of polyethylene in its low density form (LDPE). This polythene is derived from natural gas, crude oil and non-renewable sources.
Blown film extrusion or “tubular film extrusion” is one of the most common ways to make …
Grass has green color because it has a pigment like other plants called as chlorophyll. This pigment is found in organelles (little factories) in a plant cell known as chloroplasts which is involved in the process called photosynthesis (a process …
Plastics are used in many products. It provides protective surface for countertops and cabinets also. Plastic surfaces can be easily cleaned. Things required to clean plastics are:-
Kitchen cleaner spray
Mild detergent
Warm water
Sponge
Nylon bristled brush
Mild glass cleaner
Soft cloths
Plastics do not absorb stains …