Hay! Writing a book is not just prints of hundreds of pages but it is the talent and contribution of the writer to give its knowledge to the others. Book writing is carried out from early 9th century and will go till end of human because it is the real way to express someone’s thought from soul.
Many scientists have had worked for theory on light and wear successful and helped in development in humans. Today the most developed things use the technique of EM radiation. Because this is one of the topic which made humans mind work for a long period of time.
“Human is a political animal”, this lines are true and because of this nature we so our interest only on the thing which is profitable to us and this is why we know the property of radiation but not the origin. This book...