Page 120 - How It Works - Book of Amazing Answers To Curious Questions, 12

� AMAZIG ANSWERS TO CURIOUS QUESTIONS -------------------

''Roller coasters
Among the most famous
incorporate solutions that roller coaster elements -
trains enter the corkscrew
and are twisted through 360
are at the leading edge of degrees to emerge travelling
in a different direction.
scientific development ''
Zero gravity roll
Riders experience Og -
gravity is cancelled out by
opposing forces so there is
a feeling of weightlessness.
It is often felt on uphill
360-degree twists.
Train Brake run
Two or more cars linked These are sections of track, usually
up are called a train. The at the end, that incorporate a
position of the car in a braking device to slow the roller
train dictates the effects coaster. These can be skids, a fin
on the riders. on the car or, more recently,
magnetic eddy current brakes.

How safe are

track twists upwards and to
the side, and then dives
roller coasters? half-vertical loop.
toward the ground in a

They strike fear into many, but we still love them! Here, we
detail the engineering achievement that is the roller coaster

eli eve it or not, some of the world's frightful thrill of a roller coaster - and ever as a drag racer and let passengers experience
most forward-looking engineering since, the challenge has been to make an G-forces way in excess of a Formula 1 race car.
B is actually in operation right now, even bigger, even better, even more They do all this in complete safety, having
in the unexpected setting of the world's terrifying one. passed the very strictest engineering
theme parks. Today, they incorporate solutions that are standards. People travel for miles to ride on
From the pioneering 18th Century 'Russian at the leading edge of scientific development. the latest roller coaster- they'll even cross
Mountains', people have been hooked on the This means they are able to accelerate as fast continents just to experience the thrill.

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