First Children Encyclopedia

(Marvins-Underground-K-12) #1

221


Science and everyday life


221


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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
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