The past few centuries have witnessed balloon's expansion into various aspects of life.While small balloons are used as colorful decorations,scientists use weather balloons to collect meteorological data from the atmosphere. Balloons are even used by d
The past few centuries have witnessed balloon's expansion into various aspects of life.While small balloons are used as colorful decorations,scientists use weather balloons to collect meteorological data from the atmosphere. Balloons are even used by doctors to inflate'"the blood vessels of patients to aid in circulation .
