221
Science and everyday life
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Sputnik 1. It was launched by the Soviet Union in 1957.
From here to there
Science and technology make
it much easier to get around.
Trains, planes, and cars
make the world a smaller
place and allow us to visit
exotic destinations. They
are also useful for getting to
school on time.
In the best of health
Long ago, people relied on herbs to
produce cures for disease. Thanks
to modern science, many illnesses
that were once untreatable can
now be cured or prevented.
Clothing technology
Advances in sports clothing
technology have impacted
on everyday clothes.
Breathable fabric, stretchy
spandex, and thermal
underwear were developed
from specialized sports and
leisure clothes.
Become
an expert
236-237
Electricity
244-245
Machines
Surgeons get a
helping hand from
computers.
Communications
Satellites orbit the Earth,
beaming back all sorts of
information. They send TV
signals, supply weather
information, and help us
gaze into space.
Bullet trains in Japan
travel up to 300 kph
(186 mph).
Masks, aprons, and
gloves help doctors
keep operation rooms
free from infection.
Satellite orbiting
the earth
