Why does birds don’t feel shocks or die when they are sitting on high voltage wires rather than bats?
It takes 8 minutes and 17 seconds for light to travel from the Sun’s surface to the Earth.
To see an object, light rays must come to our eye from the object. Light rays don’t come to our eye from a person in the dark. So we can’t see a man in the dark. But light rays come to our eye from a person in the light. There for we can see a person in the light. 26/11/2013
A person who is in the dark can see a person in the light. But a person in the light can’t see a person who is in the dark. What is the reason for this incident?
Australia’s Great Barrier Reef is the largest living structure on Earth reaching over 2000 kilometers (1240 miles) in length.
The pressure at the center of the Earth is 27,000 tons per square inch.
The reason for this incidence calls torque. It depends on the force and the perpendicular distance from the applicable point. If the torque is high, it reduces the effort of work. When we increase the distance for the applicable point of the force it automatically increase the torque. That’s why it is easy to close a window by pulling the rear side of the window than pulling its hinge.
Why it is easy to close a window by pulling the distant side of the window than pulling its hinge?
Your sense of smell is around 10000 times more sensitive than your sense of taste.
The speed of light would take about 26 billion years to reach one end of the visible universe to the other.
When the truck moves it impact with air. It will build up static electrical charges on the truck. This can cause sparks which lead to fires and explosions. But the chains at the rear end of the truck help to reduce the buildup static electricity by removing those charges to the earth.
Why gasoline transport trucks have chains that hang down and drag on the road at the rear end of the truck?
The average human produces a quart of saliva a day and produce saliva to nearly fill more than five water bowsers in a life time.
We can produce laser light a million times brighter than sunshine.
The sky is blue because when sunlight collides with our atmosphere, colours of the shortest wavelengths (violet and blue) are scattered – and our eyes are more sensitive to see blue.
Why is the sky see in blue color in the noon?
Every minute, 30,000 – 40,000 dead skin cells fall from your body. In your lifetime, you’ll shed over 40 pounds of skin.