AMAZING FACTS
2016-05-19-12-13-07

WHY WE SEE LIGHTNING BEFORE WE HEAR THUNDER ?

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Lightning and Thunder exactly happen at the same time.But you see lightning before you hear thunder because light travels more quickly than sound. LIGHTNING: Lightning is incredibly HOT, 27,760°C (50,000°F) about 5 times hotter than the Sun’s surface.As it streaks through the sky,it heats the air so quickly that it makes a loud booming sound.This

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LIGHT TRAVEL FASTER THAN SOUND !

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Sound waves can only travel as waves of Pressure in a medium. Electromagnetic waves of which light is made ,move on their own even through vacuum. If you light a sparkler,you see the light and hear the sound at the same time.But if you see fireworks in the sky, you see the light first and

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2016-05-21-07-47-13

SHAPE MEMORY ALLOY

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We all know about dental braces , some people must have experienced it too but have we ever thought which metal is used to make it ? Is it the same metal which can remember its shape ? A Shape Memory Alloy (SMA, Smart Metal, Memory Metal, Memory Alloy, Muscle Wire, Smart Alloy) is an

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2016-05-21-22-00-33-1_resized

INVENTION OF JEANS BY LEVI STRAUSS !

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1850 : California Gold Rush A German dry goods merchant named Levi Strauss sold blue denim work pants to local workers.One of his customers, was tailor named Jacob Davis.He repeatedly complained about his pants tearing. Jacob Davis developed an idea to use copper rivets to reinforce the pockets and seams of the pants.He wanted to

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WHY JEANS WAS MADE TO BE BLUE ?

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Whenever we think of Denim/Jeans , the first colour strikes our mind is colour blue !! Why not any other colour ? Let’s explore the reason for blue being so popular ! Imagine if we had to wear White Jeans instead of Blue Jeans everyday ? Jeans are made up of material called Denim.The name

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SIDDHANT’S QUESTION #9 WHY DO AEROPLANES USE AVIATION FUEL ?

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When I was travelling with my 3 year old son in an aeroplane , I made my efforts to tell him how does an aeroplane fly ? Where are the engines located ? I also showed him the radar. Then I showed him the aviation fuel tanker near the aeroplane. To my surprise he asks

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2016-05-26-12-30-44

WHY AVIATION FUEL IS STORED IN WINGS ?

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WINGS ARE HOLLOW ! Most of the aircraft wings are designed to be hollow.Wings are meant for the purpose of providing lift for the aircraft to fly. SPACE UTILISATION : Wings being hollow have a lot of unused space under the aerofoil.Apart from mechanical and electronic components that make up the structure of the Wings,

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2016-05-28-11-16-08

DO MOONQUAKES OCCUR ?

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A Quake means shaking of the surface of any planet, moon or star. A Quake is the result of a sudden release of energy transmitted as seismic waves and with great violence. A Moon quakes is the quake of the Moon, which was first discovered by the Apollo Astronauts. Between 1969 and 1972, Apollo Astronauts

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2016-05-30-09-52-10

MOON IS TERMED A RINGING BELL ?

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The strongest of Earthquakes we have ever heard happen to fade away in lesser than 2 minutes. Just imagine what will happen if they keep on and on for 10 minutes ? It surely sounds very deadly. Moon quakes keep going for almost 10 minutes ! Some Researchers have termed Moon as a Ringing Bell.

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CHEMISTRY BEHIND TOOTHPASTE !

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What’s the Chemistry behind Toothpaste ? The origin of the use of Toothpaste can be traced back during the period of Pharaohs in ancient Egypt, where they used powdered rock with vinegar to form a paste. The main working ingredient in toothpaste is fluoride, which develops a protection against plaque.It strengthens the enamel to protect

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