How do you crack nuts with a piece of string? Reverse gravity?
Cobble together a clock out of a coffee cup, a soda bottle, and
some water? Use a vacuum cleaner and nineteenth-century railroad
technology to fashion a makeshift bazooka that can launch paper
projectiles? Create a rainbow in a block of Jello? This is a
one-volume romp through a whole array of counterintuitive science
experiments that require little more than common household items
and a sense of curiosity. Prepare to have your surprise sensors on
overload as Neil Downie stretches math, physics, and chemistry to
do what they have never done before.
This book describes twenty-nine unusual but practical
experiments, detailing how they are done and the math and physics
behind them. It will delight both casual and inveterate tinkerers.
Of varying levels of complexity, the experiments are grouped in
sections covering a wide field of physics and the borders of
chemistry, ranging from dynamic mechanics (''Kinetic Curiosities'')
to electricity (''Antediluvian Electronics'') and combustion
(''Infernal Inventions''). The chapters are titillatingly titled,
from ''Twisted Sinews'' and ''Mole Radio'' to ''A Symphony of
Siphons'' and ''Tornado Transistor.'' More-detailed explanations,
along with simple mathematical models using high-school level math,
are given in boxes accompanying each experiment.
Armchair scientists will welcome this edifying and entertaining
alternative to idleness, not least for the buoyant prose, enriched
by historical and literary anecdotes introducing each topic. With
this book in hand, tinkerers, whether dabblers in science or
devotees, students or teachers, need never again wonder how to
impress friends, the judges at the science fair, and, not least,
themselves.
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