This book provides pieces of English which are suitable for scientists but are simple in language
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Can you make objects move just by looking at them?.
Many houses in the world today are full of modern household appliances.
Many houses in the modern world are full of electrical devices.
People have always used moving or still pictures to educate or amuse themselves.
At the beginning of this century radio was invented and in a few years communication was again improved
This book looks at sport`s many faces. It looks at the professionals - the winners and losers.
Your choice? opens with this important question and the book aims to provide the answer.
Energy appears in many different forms and it can be measured.