Science
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Science
The Speed Of Light Is Not The Speed Limit Of The Universe, It Is As Slow As a Snail Compared To These Speeds
The universe is so unimaginably large that even if humans were able to travel at infinitely close to the speed of light, they would not be able to penetrate its mysteries. Fortunately, the speed of light is not the speed limit of the universe, so it is entirely conceivable that in the distant future, humans may somehow be able to escape the shackles of the speed of light.
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Science
What Is The End Point Of The Evolution Of Carbon-Based Life? How Far Away Is Humanity From This Endpoint?
Theoretically, life can take many different forms, such as silicon-based life, sulphur-based life, carbon-based life, amino-life, hydrogen-based life, etc. However, so far we only know that life exists on earth, and all known life, including us humans, is carbon-based.
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The "four great beasts" of physics actually exist only in thought experiments, and their proposal helps to develop and improve the relevant theories
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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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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
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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Everything we can see in the universe has an internal structure and they are all made up of smaller matter, so what is the smallest matter in the universe?
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A rigorous discussion of the unknown is not possible, so it is necessary to narrow down the universe we are discussing to only the universe we can see
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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