Cool,
a huge tank made of balloons.
"German Panther"
is a 2007 sculpture of a Panzer tank made out of balloons,
from Hans Hemmert. It's nearly 10 metres long!
Credits: ingesidee.de
A balloon is a flexible bag filled with a gas, such as
helium, hydrogen, nitrous oxide or air. Early balloons
were made of dried animal bladders. Modern balloons can
be made from materials such as rubber, latex, polychloroprene
or a nylon fabric. Some balloons are purely decorative,
while others are used for specific purposes such as meteorology,
medical treatment, military defense, or transportation.
A balloon's properties, including its low density and
relatively low cost, have led to a wide range of applications.
Balloon artists are entertainers who twist and tie inflated
tubular balloons into sculptures. The balloons used for
balloon sculpture are made of extra-stretchy rubber so
that they can be twisted and tied without bursting. Since
the pressure required to inflate a balloon is inversely
proportional to the diameter of the balloon, these tiny
tubular balloons are extremely hard to inflate initially.
A pump is usually used to inflate these balloons.
Decorators may use hundreds of helium balloons to create
balloon sculptures. Usually the round shape of the balloon
restricts these to simple arches or walls, but on occasion
more ambitious "sculptures" have been attempted.
It is also common to use balloons as tables decorations
for celebratory events. Table decorations normally appear
with 3 or 5 balloons on each bouquet. Ribbon is curled
and added with a weight to keep the balloons from floating
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