Who showed way to Messenger PIGEONS???

                  Pigeons were used for communication as early as 1150.It is said that the Persians and Egyptians were the first to use MESSENGER PIGEONS. Pigeons were effective as messengers due to their natural HOMING ABILITIES.This method was used before the use of TELEGRAPHS. Pigeons were used by kings for sending urgent messages. They were even used during Franco-Prussian war and as military messengers during World War II. 

         

                WHO SHOWED WAY TO THESE PIGEONS? How did these pigeons knew their way to their destination?? How long and how fast can they fly?? You will know the answers for all these questions after reading this POST.

Need of Air Conditioning for Electronics

                Electronic equipments are very sensitive. Most electronic equipments are kept in an Air conditioned room to protect them from high humidity and over heating. 

                 Air Conditioning is different from air cooling and refrigeration. In refrigeration and air cooling, only the temperature is lowered. In Air conditioning, in addition to cooling the air, the humidity, oxygen level and many other things are taken into account. Air conditioners don't just cool the air, they suck out the moisture present in the air. This is what we see in the form of water droplets dripping out of the air conditioning machines. This reduces the humidity of air and makes the air cool and dry.

Why do CLOCKS rotate Clockwise??

                   Clocks are used all over the world and whereever you go the clock's rotate in clockwise direction. This standard for the rotation of clock hands is regularly used to refer to the direction of rotation - "Clockwise and Anticlockwise". The explanation below also tells you why we celebrate New year at Midnight.

                The early watchmakers hailed from Northern Hemisphere where shadows on sundials moved West to East as the day progressed. The direction of the shadow of the sun dial is the reason for the direction of the clock. 

What makes your Phone to VIBRATE?

             Ever wondered how a cellular phone which is an electronic device vibrates? I had this question in my mind for days. There is a small mechanical arrangement inside your phone which makes your phone to vibrate. Lets see how this works.

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A Spider doesn't gets stuck on its own WEB - Why?

          Have you ever wondered why insects even bigger than the spider get stuck in the web but the spider doesn't. Spiders spin sticky webs to help them catch bugs for their meal. But, if a bug gets caught in its web why doesn't the spider get stuck in it?