Maybe you have doubts about history, but it's normal for humans to make correct judgments about things, because smart people are often confused, while stupid people are extremely confident.
This is an inventor strapping his design of a "seaplane" to the body of a young lady who will be demonstrating it in Santa Monica, California.
The model has a total length of 1.11 meters and can be operated by a crank, which the swimmer turns to propel the "plane". This allows her to reach speeds of up to 22.22 kilometers per hour.
This is an acrobatic troupe from the 40th century where a knife performer is preparing to throw a knife at a child. This is a great test of the skill of the knife thrower, and the cooperation of the child.
The 1912 Baker electric model was modified to run using energy obtained from the sun's rays. In 1960, Dr. Charles Alexander Escofri, the inventor of the automobile, explained how solar panels worked.
This is what the XB-70 looked like for the first time after it exceeded three times the speed of sound, and when it came back, the paint on the surface was almost burned off.
This is what it looked like when it was on display.
This is a TV set from the 70s of the last century, with a glass cover on the outside, and it is the first time I have seen such a TV set.
This is the first successful photograph of a comet taken in 1858 - Comet Donati.
This photograph was taken in 1960 of people in a traffic jam in Dublin, some people on bicycles and motorcycles have girlfriends, and people on motorcycles may not have yet.
The interior of a train car from the 30s of the last century, in which several pieces of picnic equipment prepared by Rail New Zealand are displayed.
It was 1943, during the Detroit race riots, and two whites helped a beaten black man. Judging by the look on one of the men's faces, he was really sad for the blacks.
You may not know that until the 60s, the Aboriginal people of Australia were governed by the Flora and Fauna Act, which classified them as animals, not humans.
This was a farm school in Missouri in the 30s of the last century, and many of the children were barefoot and ragged, and the teachers had sad faces.
It's not about singing about difficulties, maybe we've all experienced them. But we should stand in the sun so that we can feel the temperature of the sun on our faces.
This is an old photograph taken in 1917 of an old woman smoking a pipe on the porch of her home. I remembered a young doctor who advised an elderly man who was nearly 100 years old not to smoke.
In 1965, Muhammad Ali mocked the fallen Sonny Liston in a heavyweight title fight. Ali, the era was crazy about it.
On 26 April 1986, the explosion at the Chernobyl nuclear power plant in Ukraine sounded the bell for human security.
In 1991, a car escaped from the eruption of Mount Pinatubo in the Philippines, with dust from the eruption behind the car, and human beings are so small in such a natural phenomenon.
This is the site of a Hindu temple photographed in 1869, when it was destroyed by the Mughal emperors.
This is a photo of the Russian Mir space station in operation above the Earth in 1995, and the blue planet is lonely.
It was in 1909 that a lady riding a single wooden tree was taking a picture with her camera.
In 1859, Charles Blonding, who was the first to walk a tightrope across Niagara Falls.
This is a K-88 portable television set produced by Hitachi in 1970.
A mushroom cloud from the atomic bombing over Nagasaki at 11:02 a.m. on August 9, 1945.
It was a Nazi rally in the 1930s, in which thousands of political supporters of the Nazi Party gathered in Nuremberg to listen to the speech of Adolf Hitler, the leader of the Workers' Party.
In 1902, the Japanese Emperor Hirohito was one year old, the little Japanese, who ruled Japan from December 25, 1926 to January 7, 1989. Why did he escape the trial of World War II?
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