Henok
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Henok here. Just a messy collection of interesting things to improve or make your life worse!
Reach me at @StoicallyAwake.
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Henok
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Kinetic energy can be negative.
Anonymous Quiz
43%
Yes
57%
Never
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Beginner + High School level physics book recommendations
It is important to get the right background in mathematics, especially calculus, and in the foundations of physics.
Calculus:
βœ”οΈCalculus the early transcendentals by Anton, Bivens and Davis
- It is an introductory book for calculus.
- it has tons of examples and practice problems.
- tons of figures.
- so long explanations.
βœ”οΈCalculus for dummies by Mark Ryan.
- it is an outstanding book for precalculus, differentiation and integration.
- it has a moderate amount of examples.
- the explanations are so understandable.
- it is like its name any person with a basic algebra knowledge can go through it.
Physics
βœ”οΈUniversity physics with modern physics by Young and Freedman
- it is an introductory physics textbook.
- it has long explanations.
- it has tons of examples and practice problems.
- it also consist of a little bit modern physics like relativity, quantum mechanics, particle physics, condensed matter physics and nuclear physics.
- it has wonderful explanations for especially concepts.
βœ”οΈFundamentals of physics by Resnick and Haliday and Walker.
- it is an introductory level.
- it has a lot of figures.
- it has tons of examples and practice problems.
- it is good especially for practicing on numerous problems.

TO BE CONTINUED...πŸ˜„
Coming up, I will post PDF format of these books✌️

Note: These recommendations are collected from different persons, groups, videos and websites. I'm not the one who recommended it utterly but I believe they are good.
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Calculus_Early_Transcendentals,_10th_Edition_PDFDrive_1.pdf
24.1 MB
πŸ“šCalculus the early transcendentals by Anton, Davis and Bivens
πŸ”—24MB
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Calculus for Dummies (2nd Edition) ( PDFDrive ).pdf
7.1 MB
πŸ“šCalculus for dummies by Mark Ryan.
πŸ”—7MB
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university physics.pdf
62.6 MB
πŸ“šUniversity physics with modern physics 15th edition by Young and Freedman.
πŸ”—63MB
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Resnick-Haliday.pdf
30.7 MB
πŸ“šFundamentals of physics by Resnick and Haliday.
πŸ”—30MB
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All the galaxies are 99.99% empty! This is a wonderful symmetry, as atoms are also 99.99% empty

For now by the word 'empty', I will just mean absence of normal matter, excluding dark matter, quantum fluctuations etc.

━━━━━━━━━━━━

But the question is why do we see images of galaxies with so densely packed stars, are they wrong?

No, they are not wrong. This illusion is due to the fact that angular distance between two stars in a far off galaxy is too less, enough less to be perceived both stars as one, by our eyes and cameras.

This huge empty space also a major reason why there would be almost no collisions between solar systems and stars when Milkyway and Andromeda, or any other galaxy will collide.
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Another milestone. Well done!
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Today Is The Day !!

100 years back, on this date, 9th. November '1922, Albert Einstein won the Nobel Prize in Physics

"for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect"
His contribution in the field of Theoretical Physics has blessed entire human society introducing new horizon of practice investigating and unfolding so many secrets of the nature in the universe. A sincere remembrance to the cleverest person of 20th century, Albert Einstein whose contribution are enjoyed by whole human society of earth in various forms!

#alberteinstein
#NobelPrizeinPhysics
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3300 billion lines of code. So coldπŸ₯Ά!
@SCI_TECH0
#join #share
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If you know, you know😁
@SCI_TECH0
#join and #share
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HilariousπŸ˜‚. I'm relatable to thisπŸ˜†πŸ€­
@SCI_TECH0
#join #share
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