HELLO FRIENDS,WELCOME TO INSTATECH4U, In this modern era,The invention of innovative and scientific instuments,machines,Medicines changed our lives and creates greater impact on human life.So lets know some very important invention which changed the lives of human beings. X-RAYS : In the year 1895,the physicist wilhelm Roentgen discovered X-rays,the word "X" signifying their then origin.He later found that the rays could pass through muscles or flesh and by using the photographic plates, it could make images of bones inside the body. He firstly test their experiments on his wife's hand in the month of december 1895 and is the oldest surviving X-rays image of a part of a human body. PENICILILLIN : Alexendar fleming discovered the first antibiotic in 1928.by the mid 1940s,work in the US & UK led to the first penicillin reaching patients. DNA DOUBLE HELIX : The reconstruction of first ever model of the DNA molecul...
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