they are used to measure wind speed and show the direction of the wind
and to guide airoplanes in
it was invented in 1432
Allowed people to see the direction and to some extent the intensity of wind.
what are the manin uses of infrared. in analytical chemistry
Modern uses are to merely name different stars and to locate them in the sky.
it uses light to help you see the object and it has more than on lensIt uses light to see, and it is compound because it uses more than 1 lens.
a windsock from japan
Generally windsock do narrow towards the free end
So the wind passed through and moves the windsock in the direction the wind is blowing.
Wings for Roger Windsock - 1947 was released on: USA: 1947
At airports.
a Chinese windsock
it was invented in 1432
Windsocks are often used at airports to indicate the direction and strength of the wind.A standard windsock has white and orange stripes
It shows wind direction.
a windsleeve, a windcone
No
it shows how hard the wind is blowing