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The German scientist was the first person to identify electromagnetic radiation in a wavelength that we today know as an x-ray.
The most common usage of x-rays includes detecting broken or fractured bones, heart problems, breast cancer, scoliosis, and tumors. X-ray machines are used to help save the lives of millions of people.
On November 8, 1895, Wilhelm Röntgen was conducting experiments using a cathode ray tube. He noticed that when he used the cathode ray tube, a board on the other side of his lab that was covered in phosphorus began to glow. Even if he covered the tube's light in a thick black cardboard box, the phosphorous board continued to glow.
It became clear to Röntgen that he had discovered a new type of ray.
After many experiments, Wilhelm Röntgen found that many materials were transparent or translucent when interposed in the path of the rays. These materials included paper, wood, aluminum, and very importantly, skin and flesh.
A few weeks later, he took the first picture - a radiograph of his wife's hand. Röntgen published a paper on December 28, 1895, detailing his discovery titled “On a New Kind of Rays.” The news spread over the next two years. His discovery of the x-ray fundamentally changed medial practices forever.
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Louis Pasteur is known as the father of microbiology. He is renowned for developing the germ theory of disease, creating the process of pasteurization, and for changing the way sci...
Before Pasteur, people believed the doctrine of "spontaneous generation" - that life spontaneously appeared from non-living matter.
This theory was used to explain why food spoiled and how infection developed. Pasteur disproved this theory.
Lucy Wills was a hematologist who discovered that folic acid could be used to prevent life-threatening types of anemia in pregnant women.
Will's research into women's health...
In 1928, Lucy Wills was recruited to India and tasked to investigate why millions of pregnant women in the developing world suffered from a severe and often deadly form of anemia.
She found the red blood cells of anemic pregnant women were extremely swollen and consequently not carrying enough hemoglobin. Wills first thought that a bacteria or virus might have caused anemia. But she noticed that richer women in India who had a more nutritious diet were less likely to become anemic during pregnancy.
Virginia Apgar, an American anesthesiologist and medical researcher, created a test to assess the health of new-born babies quickly and to find out if infants need immediate neonatal medica...
Virginia Apgar noticed that although infants mortality declined between 1930 and 1950, the death rate for babies in the first 24 hours after birth stayed the same.
Apgar began recording the differences between healthy newborns and newborns requiring medical attention. She created a test to asses the health of newborn babies.