Neil deGrasse Tyson Explains Nothing
StarTalk・2 minutes read
The text explores the concept of "nothing" by discussing the composition of air, comparing different levels of vacuum, and delving into the idea of completely empty space devoid of matter, particles, and even the laws of physics. In summary, the text delves into various levels of nothingness, from air molecules to interstellar space, and even contemplates a theoretical state devoid of any substance or laws.
Insights
- Air is often perceived as "nothing" due to its transparency, but it contains oxygen and nitrogen molecules, with a cubic meter having a vast number of air molecules, known as a septillion.
- Delving into the depths of nothingness, the text explores the creation of a vacuum in the Large Hadron Collider, highlighting interstellar and intergalactic spaces with significantly lower particle densities, ultimately contemplating a realm devoid of all matter, virtual particles, and physical laws.
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Recent questions
What is air composed of?
Oxygen and nitrogen molecules.
How is a laboratory vacuum created?
By eliminating air molecules.
What is the density of interplanetary space?
About 10 million molecules per cubic meter.
What is the density of interstellar space?
Half a million particles per cubic meter.
What is the concept of a completely empty box?
A region devoid of all matter and laws.