#popularscience — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #popularscience, aggregated by home.social.
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भौतिक विज्ञान सहज बोध (Physics For Entertainment In Hindi ) by या. इ. पेरेलमान (Yakov Perelman)
विश्वविख्यात भौतिक विज्ञानी या. इ. पेरेलमान की कृति महत्त्वपूर्ण पुस्तक ‘Physics for Entertainment’ का अनुवाद
बी.एस.के. काले
अनुवादक देवेन्द्र प्र. शर्मा
Many thanks to @life123 for scans
Note: There is slight warping on some pages but the print is very clear and readable
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#mechanics #physics #physicsProblems #physicsPuzzles #popularScience #sovietLiterature -
அனைவருக்குமான இயற்பியல் இயக்கம், வெப்பம் (Physics For Everyone Motion, Heat In Tamil ) by எல். லாண்டாவோ (L. Landau); அ. கிட்டகரோட்ஸ்கி (A. Kitaigorodsky)
We have tried to write this book in a light and simple style, not denying ourselves the pleasure of an occasional joke with the reader. But this does not in any way mean that our Physics for Everyone is an easy book. Many of its pages must be read attentively for a long time; in order to understand physics, one must very often think hard and tensely.
The book’s main concern is the fundamental laws and concepts of physics. However, we have tried not to forget about illustrations from life and technology, true, not having the aim of dealing in any way with the inexhaustible field of applied physics.
நாங்கள் இந்தப் புத்தகத்தை இலகுவான மற்றும் எளிய பாணியில் எழுத முயன்றுள்ளோம், வாசகருடன் பொழுதுபோக்கு செய்யும் occasional ஜோக்குகளை நாங்கள் தவறவில்லை. ஆனால் இது எங்கள் ‘எல்லோருக்கும் புவியியல்’ ஒரு எளிய புத்தகம் என்பதை பொருளல்ல. அதன் பல பக்கங்களை கவனமாகவும் நீண்ட நேரம் வாசிக்க வேண்டும்; புவியியலைப் புரிந்துகொள்ள, பல முறை தீவிரமாகவும் சிந்திக்க வேண்டும்.
இந்த புத்தகத்தின் முதன்மை கவனம் புவியியலின் அடிப்படை விதிமுறைகள் மற்றும் கருத்துக்களிலேயே உள்ளது. அதே நேரத்தில், வாழ்க்கையிலிருந்து மற்றும் தொழில்நுட்பத்திலிருந்து எடுத்துக்காட்டுகளை மறக்காமல் இருக்க நாம் முயற்சித்துள்ளோம், ஆனால் வரையறுக்க முடியாத ஆபரேஷனல் புவியியல் பற்றிய விரிவான விவாதத்தை எங்களது நோக்கமாக வைத்திருக்கவில்லை.
தமிழாக்கம்: டாக்டர் இ. பழனியாண்டி
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#mechanics #physics #popularScience #sovietLiterature #thermodynamics -
कथा ही नाण्यांची (The Story Of Coins In Marathi) by गेरमन अलेक्सेइविच फ्योदोरोव-दविदोव (G. A. Fedorov-Davydov)
प्राख्यात सोविएत इतिहासकार आणि संशोधक गेरमन अलेक्सेइविच फ्योदोरोव – दविदोव यांनी लिहिलेल्या या पुस्तकामध्ये नाण्यांच्या इतिहासाचा परामर्ष घेण्यात आला आहे. इतिहासातील अनेक अत्यंत महत्वाच्या आणि मनोरंजक घटनांचा नाण्यांशी दाट संबंध आहे. नाण्यांच्या उदयापूर्वीच्या काळापासून ते आधुनिक नाण्यांच्या जन्माप- र्यंतचा कालखंड हा अशा मनोरंजक घटनांनी पूर्णपणे व्यापलेला आहे. इतिहासामध्ये आणि त्याचप्रमाणे नाण्यांम- ध्ये स्वारस्य असलेल्या सर्व वयोगटातील वाचकांसाठी हे पुस्तक अत्यंत उपयुक्त ठरेल.
अनुक्रमणिका
पाश्र्वभूमी ६
प्राचीन जगातील देशांचा फेरफटका २१
मध्ययुगीन नाणी ४७
प्राचीन रशिया ८३
आधुनिक इतिहासाचे पर्व ११०
भारतीय नाणी १३२अनुवाद: डॉ. रविंद्र रसाळ
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#currency #history #numismatics #popularScience #sovietLiterature -
Sleep, Hypnosis, Dreams by L. Rokhlin
A popular exposition of various aspects of human body and sleep.
CONTENTS
Page
Introduction …………………………………………….. 5
The Significance of Sleep …………………………………. 9
Changes Occurring in the Body During Sleep …………………… 11
Criticism of Various Theories of Sleep ……………………………. 15
Pavlov on Sleep ……………………………………………….. 23
Pavlov on Hypnosis …………………………………………….. 36
Dreams, Their Causes and Nature ………………………………. 48
Different States of Sleep and Conditions Conducive to Sleep ……… 73
Therapy by Prolonged Sleep …………………………………… 77
Disorders of Sleep ……………………………………………… 81
Morbid Sleep …………………………………………………… 81
Hygiene of Sleep ………………………………………………. 83You can get the book here and here
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#physiology #popularScience #psychology #sleep #sovietLiterature -
Earth, Sweet Earth ( Science For Everyone) by Ekaterina Radkevich
The book is based on the author’s impressions of her numerous expeditions in the many countries. It is a fascinating narrative rather than a mere record of facts irrespective of how scientifically valid they can be. The book is bound to be appreciated as a piece of absorbing reading by anyone who cares to increase the scope of his or her competence about our sweet home of a planet that must be saved from destruction at all costs.
Ekaterina Radkevich, Corresponding Member of the USSR Academy of Sciences, is one of the most distinguished geologists whose works are well known in her own country and in many other parts of the world. The overwhelming success of her publications is chiefly due to her indefatigable practical activity in the USSR and elsewhere and her unflagging interest in theoretical research which she has been conducting for quite some time at the Institute of Geological Studies in the Far East (Viadivostok).
Note: This book was the last remaining volume in the Science for Everyone Series! This completes volume the SFE series in English.
Many, many thanks to Hassaan Ali who purchased and posted this book to us to complete this series. Much appreciated help!
You can get the book here and here
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Contents
How I Became a Geologist (In Lieu of a Preface) 7Part I. The Earth in the Universe 20
Chapter 1. The Earth as a Cosmic Body 20
Chapter 2. The Planet Earth 29
Chapter 3. The Deep-seated Structure of the Earth 38
Chapter 4. The Development of Views on the Origin of Earth and Other Planets of the Solar System 47
Part II. The History of the Development of the Earth 58
Chapter 5. The Dawn 58
Chapter 6. Life: The Earth’s Chronicle 70
Part III. Geology Everywhere 100
Chapter 7. The Work of the Wind 102
Chapter 8. The Role of Water in the Transformation of Our Planet 113
Chapter 9. The Activity of Subterranean Forces 127
Part IV. The Composition of the Earth’s Crust 147
Chapter 10. Sedimentary Rocks 147
Chapter 11. Magmatic (Igneous) Rocks 159
Chapter 12. Metamorphic Rocks 185
Part V. The Movements of the Earth’s Crust 202
Chapter 13. Mountains: Old and Young 203
Chapter 14. The Deformation of Rocks 208
Chapter 15. Fixism vs. Mobilism 216
Part VI. Mineral Resources 236
Chapter 16. The Mineral Kingdom 236
Chapter 17. Mineral Raw Materials and Technical Progress 258
Chapter 18. The Future of Mineral Raw Resources 280
Chapter 19. How Ores Are Formed 286
Chapter 20. The Science of Metallogeny 308
Chapter 21. In Quest of Ores 328
Chapter 22. At the Metallogenic Map of the Pacific Belt 338
Chapter 23. Mineral Resources of the Seas and the Underwater Storerooms of Mineral Raw Materials 349
Chapter 24. Save Our Earth! 361
To End on a Poetic Note 367
#earthHistory #earthScience #geochemistry #geology #geophysics #historyOfEarth #mineralResources #mining #planetaryScience #plateTectonics #popularScience #rocks #sovietLiterature -
ଆଲେକ୍ସେଇ କ୍ରିଲୋଭ From Bonfire To Reactor (In Odia by Alexei Krylov)
A popular science book for children explaining various sources of energy and how we can harness them from nature.
Some really fantastic full page drawings by Andrei Platonov
Translated to Oriya
Why do airplanes fly?
What makes cars and trains run?
Why is electricity provided to our homes and to factories? Why do people eat? Indeed, why and what for?ତିହାସ
– ଚିତ୍ରାଙ୍କନ – ଆଦେଲ ପ୍ଲାଟୋନୋଭ୍
ଅନୁବାଦ – ଅରୁଣ ଢୁମାର ମହାନ୍ତ
– ମୁଖ୍ୟ ପରିବେଶକ – ନବଯୁଗ ଗ୍ରନ୍ଥାଳୟବଜ୍ରକବାଟି ରୋତ୍
କଟକ – ୭୫୩୦୦୧
ଶିଶୁମାନଙ୍କ ପାଇଁ ଏକ ଲୋକପ୍ରିୟ ବିଜ୍ଞାନ ପୁସ୍ତକ, ଯାହାରେ ଉର୍ଜାର ବିଭିନ୍ନ ସ୍ରୋତ ଏବଂ ପ୍ରକୃତିରୁ ସେଗୁଡ଼ିକୁ କିପରି ଅଧିଗମନ କରାଯାଇପାରେ, ସେବିଷୟରେ ବିସ୍ତାରରେ ବ୍ୟାଖ୍ୟା କରାଯାଇଛି।
ଆନ୍ଦ୍ରେଇ ପ୍ଲାଟୋନଭଙ୍କ ଦ୍ୱାରା ଆକର୍ଷଣୀୟ ପୃଷ୍ଠା ପୃଷ୍ଠା ଅଙ୍କନରେ ଭରିଥିବା ପୃଷ୍ଠାଗୁଡ଼ିକ ପୁସ୍ତକକୁ ଆରୋ ଆକର୍ଷଣୀୟ କରିଛି।
ଏହି ପ୍ରଶ୍ନଗୁଡ଼ିକ ଜିଜ୍ଞାସାକୁ ଜଗାଇ ଦିଏ:
ଏୟାରପ୍ଲେନ୍ କାହିଁକି ଉଡେ?
କାହିଁକି ଗାଡ଼ି ଏବଂ ଟ୍ରେନ୍ ଚାଲେ?
ଆମ ଘର ଏବଂ କାରଖାନାଗୁଡ଼ିକୁ ବିଦ୍ୟୁତ୍ କାହିଁକି ଯୋଗାଇ ଯାଏ?
ଲୋକମାନେ କାହିଁକି ଖାଉଛନ୍ତି?
ସତରେ, କାହିଁକି ଏବଂ କଣ ପାଇଁ?You can get the book here and here
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#ଆଣବକଉରଜ #ଉରଜ #ଉରଜପରଯକତ #ଜଳଉରଜ #ଲକପରୟବଜଞନ #ଶଶପସତକ #ସବଜଉରଜ #ସରଯୟଉରଜ #ସଭଏଟ #ସଭଏତସହତୟ #childrenSBooks #energy #energyTechnology #greenEnergy #hydroEnergy #nuclearEnergy #popularScience #solarEnergy #soviet #sovietLiterature -
रासायनिक मूलद्रव्यांचा शोध – दमी. त्रीफोनोव, व. त्रीफोनोव (Chemical Elements How They Were Discovered In Marathi by D. N. Trifonov, V. D. Trifonov )
या पुस्तकामध्ये आपण रसायनशास्त्रातील “मुळाक्षरां “ची कशी रचना झाली, तसेच आपल्या चौकस बुद्धिमत्तेतून संशोधकांनी एकामागोमाग एकेका नव्या मूलद्रव्याचा शोध कसा लावला याचे विवेचन करणार आहोत.
बहुतेक सर्व रासायनिक मूलद्रव्यांवर अनेक पुस्तके लिहिली गेली आहेत. त्यांची संख्या एवढी प्रचंड आहे की त्यांचे एक स्वतंत्र ग्रंथालयच होईल. त्या पुस्तकांमध्ये, मूलद्रव्यांचा अंतर्भाव असणारे खडक व खनिजे, त्यांच्या नि- एकर्षणाच्या विविध पद्धती, मूलद्रव्यांचे भौतिक आणि रासायनिक गुणधर्म यांचा आढावा घेतलेला असतो. काही मूलद्रव्ये आश्चर्य वाटण्याएवढी मुबलक आहेत. त्यांचे उपयोगही अनपेक्षित वाटावेत एवढ्या भिन्नभिन्न क्षेत्रात केलेले आढळतील. खरे तर आजच्या प्रगत वैज्ञानिक युगात प्रत्येक मूलद्रव्याचा काहीना काहीतरी महत्त्वपूर्ण उपयोग आहेच आहे असेच दिसेल. प्रत्येक मूलद्रव्याचे त्याचे स्वतःचे असे खास “चरित्र” असून ती सारी आपापल्या परीने वैशिष्ट्यपूर्णही आहेत हे खरे की मूलद्रव्यांच्या शोधांच्या इतिहासाबाबत अद्यापीही बरीच संदिग्धता आहे व इतिहासकारांना न सुटलेले प्रश्न अजूनही सोडविता आलेले नाहीत. कुणी सांगावे, त्यांच्यापैकी एखादा- दुसरा इतिहासकार तुम्हीही असू शकाल !
अनुवाद : राजेंद्र सहस्रबुद्धे
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#आवरतसरण #घटकचशध #रसयनशसतर #रसयनशसतरचइतहस #रसयनककरत #लकपरयवजञन #वजञनचइतहस #वजञनकशध #सवहएतसहतय #chemical #chemicalRevolution #chemistry #discoveryOfElements #historyOfChemistry #historyOfScience #periodicTable #popularScience #scientificDiscovery #sovietLiterature -
In The World Of Isotopes by V. Mezentsev
A little book describing basics of isotopes and their applications in various fields.
Translated from the Russian by George Yankovsky
You can get the book here and here
Credits to the original uploaders. This is a cleaned, optimised scan.
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Contents
1. On the Threshold of a New Era 5
#applicationsOfIsotopes #atomicEnergy #atomicNucleus #chemistry #electrons #irradiation #nuclearMedicine #nuclearTechnology #physics #popularScience #radioIsotopes #sovietLiterature #xRays
2. “Factories of Radioisotopes” 7
3. “Radioeyes” 12
4. Radioisotopes and Geological Prospecting 20
5. Tracer Atoms in Industry 22
6. Tracer Atoms in Chemistry 25
7. The Geological Clock 27
8. A Pocket Electric Station 32
9. The Atom in Agriculture 33
10. The Atom in Medicine 45 -
Science for Everyone – Physics and Geometry of Disorder – Percolation Theory
We now come to another gem in the Science For Everyone series, Physics and Geometry of Disorder – Percolation Theory by A. L. Efros.
This book is about percolation theory and its various applications, which occur mostly in physics and chemistry. The book is self-sufficient in that it contains chapters on elementary probability theory and Monte Carlo simulation. Most attention is paid to the relationship between the geometrical and physical properties of systems in the vicinity of their percolation thresholds. The theory is applied to examples of impurity semiconductors and doped ferromagnetics, which demonstrate its universality. Although written for students at high schools, the book is very good reading for college students and will satisfy the curiosity of a physicist for whom this will be a first encounter with percolation theory.
The book was translated from the Russian by V. I. Kisin and was first published by Mir in 1986.
The Internet Archive Link and here
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Write to us: [email protected]
Updated: 15 January 2019
Contents
Part I. Site Percolation Problem 14
Chapter 1. Percolation Threshold 14
Two Pundits Shred a Wire Mesh (14).
What Is a Random Variable? (17).
Mean Value and Variance (18).
Why a Large Wire Mesh? (23).
Exercises (27).Chapter 2. Basic Rules for Calculating Probabilities Continuous Random Variables 28
Events and Their probabilities (28).
Addition of Probabilities (30).
Multiplication of Probabilities (33).
Exercises (37).
Percolation Threshold in a 2 x 2 Network (37).
Exercise (40).
Continuous Random Variables (40).
Exercises (44).
Percolation Threshold as a Continuous Random Variable (44).
Exercise (48).Chapter 3. Infinite Cluster 48
Permanent Magnet (48).
Doped Ferromagnetics (53).
Formation of an Infinite Cluster (56).
Exercise (59).
Site Percolation Problem Revisited (59).
Clusters at a Low Concentration of Magnetic Atoms(63).
Exercises (67).Chapter 4 Solution of the Site Percolation Problem by Monte Carlo Computer Techniques 68
Why Monte Carlo? (68).
What Is the Monte Carlo Method? (70).
How to Think Up a Random Number (74).
The Mid—Square Method (76).
Exercises (78).
Linear Congruent Method (78).
Exercises (79).
Determination of Percolation Threshold. by Monte Carlo Simulation on a Computer. Distribution of Blocked and Non-blocked Sites (81).
Exercise (84).
Search for Percolation Path (85).
Determination of the Threshold (86).
Exercise (89).Part II. Various Problems of Percolation Theory and Their Applications
Chapter 5. Problems on Two-Dimensional Lattices 90
We Are Planting an Orchard (the Bond Problem) (90).
Exercise (95).
Inequality relating x_b to x_s (95).
Exercise (98).
Covering and Containing; Lattices (98).
“White” Percolation and “Black” Percolation (105).
Dual Lattices (110).
Exercise (115).
Results for Plane Lattices (116).
Exercise (117).
Directed Percolation (117).Chapter 6. Three—Dimensional Lattices and Approximate Evaluation of Percolation Thresholds 120
Three-Dimensional Lattices (121).
Percolation Thresholds for 3D Lattices (126).
Factors Determining Percolation Threshold in the Bond Problem (127).
How to Evaluate Percolation Threshold in the Site Problem (129).
Exercise (134).Chapter 7. Ferromagnetics with Long-Range Interaction. The Sphere Problem 135
Ferromagnetics with Long-Range Interaction (136).
Exercise (140).
The Sphere (Circle) Problem (140).
The Circle (Sphere) Problem Is the Limiting Case Of the Site Problem (144).Chapter 8. Electric Conduction of Impurity Semiconductors. The Sphere Problem 147
Intrinsic Semiconductors (147).
Impurity Semiconductors (150).
Transition to Metallic Electric Conduction at Increased Impurity Concentrations (158).
The Mott Transition and Sphere Problem (161).
Exercise (166).Chapter 9. Various Generalizations of the Sphere Problem 166
Inclusive Figures of Arbitrary Shape (166).
The Ellipsoid Problem (169).
Other Surfaces (173).
Another Experiment at the House Kitchen. The Hard-Sphere Problem (174).Chapter 10. Percolation Level 179
“The Flood” (179).
How to Construct a Random Function (182).
Analogy to the Site Problem (185).
Percolation Levels in Plane and Three Dimensional Problems (186).
Impurity Compensation in Semiconductors (189).
Motion of a Particle with Nonzero Potential Energy (190).
Motion of an Electron in the Field of Impurities (192).Part III. Critical Behavior of Various Quantities Near Percolation Threshold. Infinite Cluster Geometry 195
Chapter 11 The Bethe Lattice
Rumors (196).
Solution of the Site Problem on the Bethe Lattice (200).
Discussion (204).
Exercise (206).Chapter 12. Structure of Infinite Clusters 206
The Shklovskii—de Gennes Model (206).
Role of the System’s Size (210).
Electric Conduction Near Percolation Threshold (215).
Exercise. (219).
Function P (X) Near Percolation Threshold. Role Played by Dead—Ends (219).
Universality of Critical Exponents (222).Chapter 13. Hopping Electric Conduction 226
Mechanism of Hopping Conduction (227).
Resistor Network (229).
Properties of Resistor NetworK (231).
The Sphere` Problem Revisited (232).
Calculation of Resistivity (233). Discussion of the Result (235).Chapter 14. Final Remarks 237
Some Applications (237).
What Is Percolation Theory, After All? (240)Answers and Solutions 242
Chapter 1 (242). Chapter 2 (244). Chapter 3 (246).
Chapter 4 (249). Chapter 5 (250). Chapter 6 (256).
Chapter 7 (257). Chapter 8 (257). Chapter 11 (257).
Chapter 12 (258).#chemistry #disorder #efros #mathematics #mirPublishers #monteCarloMethod #percolationTheory #physics #popularScience #probability #scienceForEveryone