Well you see the weather ballons have become very popular ever since world war 2. Since then meteorologists have sent up tons and tons of ballons to find out temperature, pressure, relative humidity, and wind velocity. They launch these ballons every 12 hours a ballons is launched from 70 sites in the United States, there are also 700 other sites around the world. All of this data is collected at Maryland from here they are sent around the world to newspapers and radio networks for releasing the information. Now about the ballons, they are filled with helium or hydrogen to a diameter of about 2 m. A radio transmitter is placed on the ballon giving it the access to send the data back to earth.
Let me explain somthing to you, you country folk. An HBO unit is that has used to treat divers who have decompression sickness. Know they use them on athletes such as in the NFL. Another big factor is this unit can help after a heart attack. It has drugs in it that can dissolve clots to save heart muscles and improve the quality of life for patients who have suffered heart attacks. One of the most important ways to use this unit is to treat babies with hyaline-membrane disease. These babies usffer from respiratory distress soon after birth. This unit gives the babies a chance that their lungs will normalize so that these babies can survive.
Well you see the weather ballons have become very popular ever since world war 2. Since then meteorologists have sent up tons and tons of ballons to find out temperature, pressure, relative humidity, and wind velocity. They launch these ballons every 12 hours a ballons is launched from 70 sites in the United States, there are also 700 other sites around the world. All of this data is collected at Maryland from here they are sent around the world to newspapers and radio networks for releasing the information. Now about the ballons, they are filled with helium or hydrogen to a diameter of about 2 m. A radio transmitter is placed on the ballon giving it the access to send the data back to earth.
Let me explain somthing to you, you country folk. An HBO unit is that has used to treat divers who have decompression sickness. Know they use them on athletes such as in the NFL. Another big factor is this unit can help after a heart attack. It has drugs in it that can dissolve clots to save heart muscles and improve the quality of life for patients who have suffered heart attacks. One of the most important ways to use this unit is to treat babies with hyaline-membrane disease. These babies usffer from respiratory distress soon after birth. This unit gives the babies a chance that their lungs will normalize so that these babies can survive.