Tag: physics
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Radioactivity
Radioactivity is a very famous term in nuclear physics and chemistry that describes how unstable atoms release certain radiations for the purpose of getting stability. You may have probably heard about uranium, a radioactive element, used for making atomic bombs and electricity from nuclear power plants. It is possible due to the radioactive nature of…
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Lasers
Do you remember the movies where alien forces use laser guns in battles? Well, lasers are a very famous piece of technology. These were once considered as high-tech gadgets, but today modern science made lasers very common technology used in everyday life. What is LASER? A laser is just a device that emits light, but…
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What is Atom
Atom is the smallest building block of an element – it can’t be further broken by any chemical process. Everything you see around yourself is made of trillions-of-trillions atoms. Atoms are so small that, it is not possible to see them with a powerful microscope. Only specialized microscopes (electron microscope) are able to zoom the…
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Heat Transfer
Heat transfer is the transfer of thermal energy from one object to another. It occurs between two objects when they are at different temperatures – the heat will transfer from hot object to cold object. In our environment heat transfer occurs all the time. The sun is transferring some of its heat energy towards earth,…
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Gravity
Have you ever tried to jump? Probably, yes! And you know that when we jump from the ground, we just fall back after few seconds. Why? And How? These are the questions that, almost every human had thought in his childhood. So, the simple answer to all these questions is “gravity”. So, let’s learn something…
