In essence, sound is actually a wave generated by the vibration of the object, the sound waves in the air is actually a "longitudinal wave"
"Science"
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Science
It Turns Out That We Often 'Travel' Through Time, But We Don't Realise It, So How Does This Happen?
It has long been discovered in practice that the phenomenon of "gravitational time dilation" does exist
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Biology
What Happened To The Experiment To Crossbreed With Chimpanzees And The Five Human Women Willing To Pay For Science?
Since humans and chimpanzees are reproductively isolated from each other and cannot bond, can we transfuse chimpanzee blood to us humans?
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Science
How Much Energy Is Released When 1 Kilogram Of u-235 Is Fissioned? How Long Will There Be Enough Uranium On The Planet For Human Use?
If mankind can master the method of extracting uranium from seawater in large quantities in the future, there will be enough uranium on the earth to last for tens of thousands of years, even hundreds of thousands of years!
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Scientists using modern observation equipment have determined the size, position, distance and other data of most of the objects in our galaxy
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Science
Why Is It That Only Uranium And Plutonium Can Be Used For Nuclear Fuel? But Not Other Elements?
The more "nucleons" an atomic nucleus contains, the greater its mass, but scientists have found that the average mass of the "nucleons" of different elements is different
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Science
Life May Not Have Originated On Earth, And There Is Growing Evidence That Life Should Have Originated In Outer Space
In the past days, scientists have been working on the study of meteorites, and as the research continues, there is more and more evidence that life should originate from outer space
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The climate patterns on Earth will then become chaotic, and humans will lose the ability to control and drive the Earth's climate to remain stable and conducive to the habitability of humans and the Earth's biosphere as a whole
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Science
If Scientists Have Discovered Something That Shouldn't Have Existed Hundreds Of Millions Of Years Ago, Should Humanity Be Wary?
In theory, when a civilization develops into a civilization that can cross the stars, there is basically no risk of extinction
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Science
Why Is The Singularity Of a Black Hole Infinitely Small In Size And Infinitely Dense? Scientists: We'Re Helpless Too
Since gravity is actually a manifestation of gravity, and the magnitude of gravity is proportional to mass, for those objects with smaller masses, their own gravity is smaller