The main ingredients of explosives are inflammable chemicals that should be carefully handled and should be handled by experts only. If handled by amateurs, explosives can cause severe damage and innocent and property. During the process of detonation, gases get released that expand rapidly giving […]
How does a ballistic missile work?
Ballistic missiles are large and powerful missiles that are designed to attack a long-distance target carrying a warhead that may also be a nuclear warhead. These missiles use a suborbital trajectory and may sometimes reach higher than space altitudes (over 100 km), exiting the earth’s […]
How close are we to developing cyborg?
The basic idea of cyborg is a humanoid i.e. part human and part machine. The word “cyborg” was coined by a group of scientists working at NASA. In 1960, two scientists of NASA had discussed the probable advantages of a human that could have machine […]
How does a wall lizard get rid of its tail?
Many species of wall lizards can be found across the world and across continents such as North America, South America, Europe, Asia and Australia. It has been estimated that over 25000 types of lizards have been found so far by the scientists. Almost all wall […]
Why is salt placed on roads in the winter?
In the places where there is too much of snow and ice in the winter on the roads there the highway departments use to sprinkle the salt over the ice to clear the roads. They use salt for this purpose because salt has the tendency […]
What causes pimples?
Most of the people face skin problems between the ages 12 to 25 and one of the most common problems is “pimples”. Very rare a new born baby can develop pimple between the age of three to twenty four months and also very few people […]
How do clouds form?
Mostly we all had heard that clouds forms because of evaporation but how the whole process works is the question. Sunrays reach to the ground supplying heat to all the objects and also in the air of our environment. Now this air which had gained […]
How are thunderstorms formed?
Due to the rising of humid air thunderstorm is formed. Air rises up because of many factors like heating by sun, melting of two different steams of air or facing of air uphill. This heated air rises up and condense at a certain height forming […]
How do fossils get inside the rocks?
Fossils are the conserved remains or traces of the ancient animals, plants or other organisms. The sedimentary rock is a type of rock that is found commonly. The sedimentary rocks have several layers. Within these layers, one can find different fossils. Fossils take several thousands […]
What does percent body fat mean?
You must have heard the term body fat percentage. It is the percentage of fat present in your body. If your body weighs 160 pounds and you have 10 percent of fat then your body contains 16 pounds of fat tissues and 144 pounds of […]