Because of her research on radioactive elements, Madame Curie won the Nobel Prize twice, but in the end she fell ill and died because of long-term exposure to radioactive substances, including the notebook left by Madame Curie before her death, which still contained a lot of radioactive elements.

2. Lilienthal

Lilienthal is a German engineer, glider and one of the pioneers of aviation in the world. He first designed and manufactured a practical glider, and was called "the father of gliders". On April 9th, 1896, Lilienthal encountered a strong wind while operating his glider. The glider stalled and fell to the ground, and the glider was destroyed. Lilienthal also suffered a fatal injury-a spinal fracture, and died the next day.

3. Elizabeth Fleischman is ashamed

Elizabeth spent a lot of time operating the X-ray machine. Not only did she not take any protective measures, but sometimes she even pointed the X-ray directly at herself. It's a pity that she didn't realize the consequences of long-term exposure to X-rays. 1905, Elizabeth died of severe cancer, which has spread all over her body.

4. louis slotin

1942 was invited to participate in the Manhattan project (developing the world's first nuclear bomb). On May 2 1, 1946, during the experiment, he accidentally dropped a hemispherical beryllium on another piece, which quickly triggered a critical reaction. Slotin reacted quickly and then rushed out of the lab. He was rushed to the hospital, but to no avail, he died nine days later.

5. Jean Fran? ois Drozil

In September 1783 and 19, flight tests were conducted with sheep, chickens and ducks. After the success of the experiment, Jean-Fran? ois made the first manned hot air balloon flight, flying to an altitude of 3,000 feet by hot air balloon. Later, the flight across the English Channel was planned. When the hot air balloon rose to the height of 1500m, it began to leak and fell rapidly, which eventually led to the death of Jean Fran? ois.