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The teacher asked a substance to be extracted from the human feces, and then diluted it, and after diluting it to a certain extent, it became a freshener that we usually use.
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It's a joy to do experiments every day. Although when doing experiments, it is required not to make mistakes. But every time I got it wrong. Come to think of it, you're really stupid!
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The most interesting thing is that when I was in high school, the physics teacher led us to the No. 2 physics laboratory to do Newtonian mechanics experiments, but some students didn't know what to do experiments, so they went to the chemistry laboratory to listen to other teachers talk about chemistry experiments in one class.
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I think when I was a kid I had a soft spot for Chinese characters, and after I painted, I would always pick up a pen and sign my name on the drawing. At that time, I was very young and wrote a few simple words such as "big", "small", and "person", and I wrote "little adult, sometimes I can't remember it, so I write it as "big adult", or "small big person", and now I can't help but laugh out loud when I look at it.
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Once, translating my own **, after translating myself, I asked my English teacher to look at my **, and the teacher pointed out a few mistakes in it, and then I used my mobile phone to translate it, which really made me cry and laugh.
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I think when I was a kid, I had a soft spot for research, and after my assignments, I would always put pen to paper and sign my name on them. At that time, I always liked to write about the king or the boss.
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Of course, it's doing chemistry experiments, and every time you do chemistry experiments, you find it interesting, and many chemistry experiments are very interesting, for example, you can do an experiment about sodium.
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Newton was very attentive to his scientific research, and often forgot about the small things in life. Once, when the old lady who was cooking for Newton had something to go out, she put her eggs on the table and said, "Sir! I'm going out to buy something, please boil your own eggs and eat it, the water is already boiling! ”
Newton, who was calculating intently, let out a "hmm" without raising his head. When the old nanny came back, he asked Newton if he had boiled the eggs, and Newton said without raising his head: "Cooked!"
The old lady lifted the lid of the pot and was stunned: a pocket watch was actually boiling in the pot, but the eggs were still in place. It turned out that Newton was busy calculating and threw his pocket watch into the pot indiscriminately.
Newton was alone in the orchard at home, and because he was thinking about a problem while walking, he accidentally bumped into an apple tree in the garden, and an apple happened to hit Newton's head. Newton suddenly woke up to the problem and picked up the apple, at which point he was caught up in the question of why the apple fell to the ground instead of floating into the sky.
Eventually, Newton came up with a universal law for the generation of the simplest phenomenon: gravitation.
When Franklin was 7 years old, the adults gave him a lot of money for a holiday. Franklin planned to use this "huge money" to go to the store and buy some toys. On the way, he saw a boy blowing a whistle very vigorously, and he was completely fascinated by the whistle at that time, so he exchanged all his money for the boy's whistle.
Back at home, Franklin proudly whistled around the house, disturbing the whole family. His family learned about his deal and told him that he had paid 4 times more than its original price for the whistle and made him understand that with these extra payments, more and better things could be bought.
Boyle was born on 25 January 1627 into an aristocratic family in Ireland. His father was an earl and his family was wealthy. He was the youngest of fourteen brothers.
In his childhood, Boyle was not particularly intelligent, he spoke a little stuttering, and he did not like lively games, but he was very studious, and liked to read and think quietly. He received a good education from an early age, and from 1639 to 1644 he traveled to Europe. During this time, he read many books on the natural sciences, including astronomer and physicist Galileo Galilei's famous book "A Dialogue on Two World Systems".
He was very impressed by the book. His later famous book, The Skeptical Chemist, was written in imitation of this book.
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Newton was engaged in scientific research, and often forgot the little things in life, once, the old nanny who cooked for Newton had something to go out and let him boil eggs to eat, but the old nanny came back, lifted the lid of the pot and looked at it, and found that there were no boiled eggs in the pot, and actually cooked a pocket watch.
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Scientists, their ideas are wild, and the way they study problems is difficult for ordinary people to understand. For example, Newton, who was sitting under an apple tree and was hit in the head by an apple. His first thought was to study gravity and why apples fell.
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A team of behavioral ecologists from Cornell University locked up 45 dogs living in New York. The researchers followed the 45 dogs all the way through, passing by, urinating through groves, bushes, fire hydrants, ......They took private photos of the dogs with their mobile phones, measured the height of the urine before the urine stains dried, and also used ** to mark and measure the dogs' "urine horns", and the researchers found that the smaller the dogs, the larger the "urine horns".
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Scientists do a lot of experiments in order to draw conclusions, and I think it's a fun thing to do experiments to set up some dependent variables and independent variables, and finally test their ideas, for example, when Edison was a child, he wanted to know how chickens hatched, so he went to the chicken coop and squatted in the chicken coop for a day.
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Scientists have very peculiar brains, and they will be very serious about solving problems when they find them. Edison observed how eggs hatched when she was a child, and out of curiosity, she also took an egg and wanted to hatch the chicks.
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Scientists are always trying to make a lot of new attempts, and once I saw a report that scientists wanted to breed different species, and then they all kept them together, and even arranged their houses in the type of Barbie dolls, and instantly thought that these scientists were really interesting.
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There was a scientist who wanted to study what could be used to replace the tungsten filament of a light bulb, and he tried a lot of materials, and finally tried it with a strand of hair, which is interesting to think about, especially the moment they saw the results, it must be funny.
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Einstein was so busy dealing with countless universities asking him to give lectures every day that he was exhausted! Every time Einstein went to the university, he was driven by his chauffeur Richard, and as soon as he arrived at the venue, Richard listened to the lecture from the audience, and he was in the audience for about 30 times, and each time he was attentive and listened to the whole thing from beginning to end.
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When Edison was four years old, he and his friends were playing under a big tree, and I don't know who found a hornet's nest on the branch, Edison wanted to figure out what the hornet's nest looked like, even if he couldn't open his eyes when he was stung by a wasp, he wanted to figure out the structure of the hive.
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Richard Feynman is a man with an interesting soul. He has many titles, Nobel Prize winner in physics, father of new physics after Albert Einstein, professor at the California Institute of Technology and famous comedian. But he is a very easy-going person, he will, teach his students how to flirt with their sisters, and even once even warped a colleague's safe, but it is undeniable that she is a good teacher.
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Scientist Watson did a very interesting experiment of twin babies climbing stairs, two twin babies, one taught him to climb stairs, and some other training, the other did not teach anything, let the two people compete, and later found that in fact, regardless of whether there is training or not, children can learn by themselves when they reach a certain age.
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Edison had a villa on the outskirts of the city that housed many of his new inventions, and he was so proud of it that he welcomed people to visit it all year round. However, these visitors have a lot of trouble getting in and out, and they have to push a bulky wooden pole up the doorway. One day, a visitor asked Edison:
Your home is full of labor-saving things, why do you have such a bulky pole at the door? Edison said, "This is the fee I asked you for the visit, and if you keep pushing the pole, the generator will keep generating electricity for me." ”
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"Don't make a fuss, Mr. Feynman" and the documentary interesting Mr. Feynman are recommended. Feynman was known as the wisest man of the 20th century after Albert Einstein. But I am a very cute, romantic and interesting person!
The good-looking male god when he was young, he is still a cute old naughty boy when he gets old. "Don't make trouble, Mr. Feynman" has no sense of boredom at all, it is humorous and interesting, and you can't help but read it story by story.
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Physics is in contradiction, why? While lamenting that there has been no new breakthrough in physical theory in the past three hundred years, he lamented that he would not see the next Newton master. On the other hand, they have studied the wrong and ununified old physics knowledge in a down-to-earth manner, memorized it word for word, and tested it with full marks in the papers.
The result of this is that when the next Newton really appears, he becomes unrecognizable, and instead comes forward to spit and spit on it.
The main thing is to see that the parents of one child really care about a child, and then that time made me too embarrassed and moved, and that child is also very sensible, and always tells his parents that he is fine.
Text: Tease the cat for a while.
Before I got a dog, I always felt that I would be the elegant lady who walked the dog in the sunset. With coffee in his left hand and a dog leash in his right hand, he strolled elegantly and calmly in the afternoon. But when I actually got a dog, I found that everything was my beautiful imagination. >>>More
I think there are actually a lot of such overlord clauses in life, and we often encounter them in our daily life. >>>More
The most interesting thing I encountered on the plane was probably a flight attendant pursuing a rich second generation, that is, she gave things to this rich second generation every day, and then I felt that I was also a little moved, and they were not actually for profit, but really for love.
When a beautiful girl goes to the toilet, she thinks the toilet washer is dirty, so she chooses to step on the washer. As a result, the plane was jolted, and she rolled straight out of the toilet door that opened outward. It is said that she did not come out of the toilet again until she got off the plane. >>>More