যে ছবি আপনাকে ফটোগ্রাফার বানাবে

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history of photography, method of recording the image of an object through the action of light, or related radiation, on a light-sensitive material. The word, derived from the Greek photos (“light”) andgraphein (“to draw”), was first used in the 1830s.

This article treats the historical and aesthetic aspects of still photography. For a discussion of the technical aspects of the medium, seephotography, technology of. For a treatment of motion-picture photography, orcinematography, see motion picture, history of, and motion-picture technology (FULL STORY)

But today we are going to see some killer photograph which will inspire you to being a photographer. Let see... 






















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Which one is more dangerous either DC or AC power, especially when it shocks a human body. Other way we can say, if we can take the same amount of AC and DC current onto our body which one would hurt us more?
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Before we find the answer for dangerousness of DC or AC, let we know the basic definition of DC and AC:
What is DC System?What Is AC System?DC or Direct Current could be defined as the one direction or unidirectional flow of current. Current does not change its flowing direction, only flows in one direction. The amplitude of voltage and current may vary over the time but flow of direction always unchanged. Plot of Direct Current Waveform AC or Alternating Current could be define as opposite the DC, changes direction periodically. Not only changes, periodically reverse direction. The amplitude of voltage and current vary and reverse over the periodic.




Plot of Alternat…
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