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List of Free Science Books

Here’s an alphabetical list of all available free books. Note that many of the links will bring you to an external page, usually with more info about the book and the download links. Also, the links are updated as frequently as possible, however some of them might be broken. Broken links are constantly being fixed. In case you want to report a broken link, or a link that violates copyrights, use the contact form.

A Beginner’s Guide to Mathematica

A Brief Introduction to Particle Physics

A First Course in General Relativity

A New Astronomy

A No-Nonsense Introduction to General Relativity

A Popular History of Astronomy During the Nineteenth Century, Fourth Edition

A Review of General Chemistry

A Simple Guide to Backyard Astronomy

A Text Book for High School Students Studying Physics

A Tour of Triangle Geometry

About Life: Concepts in Modern Biology

Acoustic Emission

Adaptive Control

Advanced Calculus

Advanced Learning

Advanced Mathematics for Engineers

Advanced Microwave Circuits and Systems

Advanced Technologies

Advances in Computer Science and IT

Advances in Evolutionary Algorithms

Advances in Geoscience and Remote Sensing

Advances in Haptics

Advances in Human Computer Interaction

Age of Einstein

Aging by Design

AMPL: A Modeling Language for Mathematical Programming

An Introduction to Elementary Particles

An Introduction to Higher Mathematics

An Introduction to Many Worlds in Quantum Computation

An Introduction to Mathematical Reasoning

An Introduction to Mathematics

An Introduction to Proofs and the Mathematical Vernacular

An Introduction to Relativistic Quantum Mechanics

Analysis 1 (Tao T)

Analysis 2 (Tao T)

Analytic Functions

Astronomical Discovery

Astronomy for Amateurs

Astronomy Today

Astronomy with an Opera-Glass

Automation and Robotics

Basic Algebra, Topology and Differential Calculus

Basic Concepts of Mathematics

Basic Concepts of Thermodynamics

Basic Concepts of Thermodynamics Chapter 1

Basic Ideas in Chemistry

Basic Math: Quick Reference eBook

Basic Mathematics for Astronomy

Basic Physics

Basic Positional Astronomy

Basic Principles of Classical and Statistical Thermodynamics

Basic Principles of Physics

Basics of Physics

Beginner’s Botany

Biochemistry

Biochemistry (practice book)

Biology

Board Notes for Particle Physics

Book of Proof

Calculus

Calculus Based Physics

Celestial Navigation, Elementary Astronomy, Piloting

Circuit QED — Lecture Notes

Classical Dynamics

Classical Geometry

Classical Mechanics

Climate Models

Collaborative Statistics

College Algebra

Complex Analysis

Computational Geometry

Computational Introduction to Number Theory and Algebra

Computational Physics with Python

Conceptual Physics

Consistent Quantum Theory

Cook-Book Of Mathematics

College Physics

Crude Oil Emulsions- Composition Stability and Characterization

Curiosities of the Sky

Decoherence: Basic Concepts and Their Interpretation

Do We Really Understand Quantum Mechanics?

Differential Equations

Diophantine Analysis

Discover Physics

Dr. Donald Luttermoser’s Physics Notes

Dynamics and Relativity

Earthquake Research and Analysis

Earthquake-Resistant Structures – Design, Assessment and Rehabilitation

Einstein for Everyone

Electromagnetic Field Theory

Elementary Mathematical Astronomy

Elementary Linear Algebra

Elementary Particle Physics in a Nutshell

Elementary Particles in Physics

Elements of Astrophysics

Embedded Systems – Theory and Design Methodology

Encyclopaedia of Mathematics

Encyclopedia of Astrophysics

Engineering Mathematics 1

Engineering Mathematics with Tables

Essential Engineering Mathematics

Essential Physics

Exoplanet Observing for Amateurs

Experimental Particle Physics

Fields

Foundations of Nonstandard Analysis

Frequently Asked Questions about Calendars

Fundamental Concepts of Mathematics

Fundamentals of Analysis (Chen W.W.L)

Further Mathematical Methods

Fusion Physics

General Chemistry

General Relativity

Geometric Asymptotics

Geometry and Group Theory

Geometry and Topology

Geometry Formulas and Facts

Geometry Study Guide

Geometry, Topology and Physics

Geometry, Topology, Localization and Galois Symmetry

Great Astronomers

Handbook of Formulae and Physical Constants

High School Mathematics Extensions

Higher Mathematics for Engineers and Physicists

History of Astronomy

Homeomorphisms in Analysis

How to Use Experimental Data to Compute the Probability of Your Theory

Intelligent Systems

Intrinsic Geometry of Surfaces

Introduction to Astronomy and Cosmology

Introduction to Cancer Biology

Introduction to Chemistry

Introduction to Cosmology

Introduction to Elementary Particles

Introduction to General Relativity

Introduction To Finite Mathematics

Introduction to Particle Physics Notes

Introduction to PID Controllers

Introduction to Quantum Mechanics with Applications to Chemistry

Introduction to Quantum Noise, Measurement and Amplification

Introduction to Social Network Methods

Introduction to String Field Theory

Introduction to the Time Evolution of Open Quantum Systems

Introduction to Quantum Mechanics

Introductory Computational Physics

Introductory Physics 1

Introductory Physics 2

Kinetic Theory

Laboratory Manual for Introductory Physics

Laws of Physics

Learn Physics Today

Lecture Notes in Discrete Mathematics

Lecture Notes in Quantum Mechanics

Lecture Notes in Nuclear and Particle Physics

Lecture Notes in Particle Physics

Lecture Notes on General Relativity

Lectures on Astronomy, Astrophysics, and Cosmology

Lectures on Particle Physics

Lectures on Riemann Zeta-Function

Light and Matter

Mag 7 Star Atlas Project

Many Particle Physics

Math Alive

Mathematical Analysis I(Zakon E)

Mathematical Biology

Mathematical Methods

Mathematical Methods 1

Mathematical Methods for Physical Sciences

Mathematical Methods of Engineering Analysis

Mathematics, Basic Math and Algebra

Mathematics for Computer Science

Mathematics for Computer Scientists

Mathematics For Engineering Students

Mathematics Formulary

Motion Mountain

Music: A Mathematical Offering

Mysteries of the Sun

Natural Disasters

New Frontiers in Graph Theory

Noise Control, Reduction and Cancellation Solutions in Engineering

Nondestructive Testing Methods and New Applications

Nonlinear Optics

Notes on Coarse Geometry

Notes on Elementary Particle Physics

Notes on Quantum Mechanics

Observing the Sky from 30S

On Particle Physics

Operating Systems: Three Easy Pieces

Particle Physics Course Univ. Cape Town

Particle Physics Lecture Notes

People’s Physics Book

Perspectives in Quantum Physics: Epistemological, Ontological and Pedagogical

Photons, Schmotons

Physics Lectures

Physics Tutorials

Physics Study Guides

Pioneers of Science

Practical Astronomy

Practical Astronomy for Engineers

Preparing for College Physics

Primer Of Celestial Navigation

Principal Component Analysis – Multidisciplinary Applications

Publications of the Astronomical Society of the Pacific Volume 1

Quantum Dissipative Systems

Quantum Field Theory

Quantum Fluctuations

Quantum Information Theory

Quantum Magnetism

Quantum Mechanics

Quantum Mechanics: A Graduate Course

Quantum Mechanics: An Intermediate Level Course

Quantum Notes

Quantum Physics Notes

Quantum Theory of Many-Particle Systems

Quantum Transients

Recreations in Astronomy

Relativistic Quantum Dynamics

Relativity: The Special and General Theory

Review of Basic Mathematics

Riemann Surfaces, Dynamics and Geometry Course Notes

Short History of Astronomy

Sintering of Ceramics – New Emerging Techniques

Solitons

Some Basic Principles from Astronomy

Special Relativity

Spherical Astronomy

Star-Gazer’s Hand-Book

Statistical Physics

Street-Fighting Mathematics

String Theory

Structures of Life

Supernova Remnants: The X-ray Perspective

Superspace: One Thousand and One Lessons in Supersymmetry

System of Systems

The Astrobiology Primer: An Outline of General Knowledge

The Astronomy and the Bible

The Astronomy of the Bible: An Elementary Commentary on the Astronomical References of Holy Scripture

The Basic Paradoxes of Statistical Classical Physics and Quantum Mechanics

The Beginning and the End

The Beginning and the End of the Universe

The Complete Idiot’s Guide to the Sun

The Convenient Setting of Global Analysis

The Eightfold Way: The Beauty of Klein’s Quartic Curve

The General Theory of Relativity

The Geology of Terrestrial Planets

The Geometry of the Sphere

The Handbook of Essential Mathematics

The Moon: A Full Description and Map of its Principal Physical Features

The Open Agenda

The Origin of Mass in Particle Physics

The Particle Detector Brief Book

The Physics Hypertextbook

The Physics of Quantum Mechanics

The Planet Mars

The Small n Problem in High Energy Physics

The Story of Eclipses

The Story of the Heavens

The Structure of Life

The Wonder Book of Knowledge

The World According to the Hubble Space Telescope

The Zij as-Sanjari of Gregory Chioniades (June 27, 2009)

Three Dimensional Geometry

Understanding Physics

Unfolding the Labyrinth

Utility of Quaternions in Physics

Uses of Astronomy

gay-thoughts-blog

earthnation

I want to fuck your throat

my thrussy!?!?

ventrue

schakira

sorry for being dramatic but this post did irreparable damage to the english language

kdsking

L MAOO

quinnathy

(moon knight episode 5 spoilers!!)

thinking about how marc spector created steven grant to live the life he never got to live, in a cozy loft with books on subjects he loves and with a little goldfish that marc replaces, thinking his mother loved him. thinking about marc spector protecting steven so fiercely he'd take all the measures to ensure steven never finds out about him (re-taping the doors, smoothing out the sand, renting a small space to keep his things), and when that fails, begging steven to stop searching for his own safety.

thinking about marc spector never once getting angry with steven for being innocent, or ruining his plans, even when they get skewered in cairo. when steven inevitably stumbles into danger it's never you idiot, what have you done? and instead it's always give me the body, steven, and i'll keep us safe. trust me. we're going to be alright.

thinking about marc spector growing up alone, growing up almost unloved, growing up bitter and sad and angry and thinking it was all his fault. thinking about marc spector making a promise to himself, ensuring steven never felt that way. thinking about marc spector desperately trying to hold steven back from seeing his traumatic memories, because even then, even when his life is at stake, he doesn't want steven to know the truth because it might hurt too much to bear.

thinking about how marc spector loves steven grant.

thinking about steven grant growing up afraid of his 'sleeping disorder', anxiety settling deep in his bones, terrified of nightmares even as an adult. thinking about how steven grant thought he was going insane when he started figuring out the truth. thinking about how steven grant must've been scared of marc, or at least apprehensive, and thinking about how marc (despite his stoic facade) probably felt that like a blow to the chest—because not only was it one more person who reminded him he was unloved, but it was the person he prioritized most, over his father, even over layla.

thinking about how, despite everything, despite the chaos and bloodshed and unwelcome revelations, despite how it seemed at first that steven would've loved nothing more to be rid of marc, when they finally met each other it was with not even a moment of hesitation that they hugged, arms wrapped tightly around each other, holding on with a sort of awe and desperation.

thinking about steven, the man who greets animals like friends and talks to his goldfish and would risk his life to avoid bloodshed, gripping the wooden bat in his hand and going to fucking town on the souls because marc was in danger.

thinking about steven seeing marc about to be thrown overboard and launching himself at the souls without a second thought, even though he knows full well what happens if he falls in the duat. steven, who until a few days ago was just a history nerd and a gift shop worker, who got faint at the sight of blood and would throw a gun rather than fire it—steven fucking grant, sacrificing his life and soul to an eternity of torment for marc without hesitation.

thinking about how steven grant loved marc spector.

fuckingrealityshifting

If I wanted to have a slowburn type romance with a character in my dr, would I have to script that specifically or can I be more vague? Also, how much detail do I need to go into in my script in genera?l I'm not sure if my habit of overexplaining things is gonna help or hurt me in this case.

Hi! Here’s some general tips on scripting.

And I’m gonna use your ask as an excuse for a big informational post.

Scripting romances

Tiktok will say it’s bad to script you’re already in a relationship because of... consent? Well, Tiktok is literally wrong and shows a fundamental misunderstanding of shifting and the multiverse.

You’re not creating a new reality in which your script would create a situation where you are in a romance without their consent. You’re just specifying via your script you want to go to a reality where you’re already in a relationship.

There are no issues with consent??? They’ve already consented to a relationship with you. You’re just shifting to a reality where that has already happened.

Some suggestions for scripting to shift to a preexisting relationship:

NAME and I are a happy couple.

NAME and I share a strong, healthy relationship.

NAME and I understand each other completely.

NAME and I have been happily dating for BLANK.

NAME and I love to spend time together.

NAME and I communicate well.

NAME appreciates me so much.

NAME wouldn’t dream of breaking up with me.

NAME is the perfect S/O and I am the perfect S/O.

If you feel like it would be out of character for them to be absolutely perfect (Draco Malfoy perhaps) you can leave behavior affirmations out and just focus on their love for you.

Some people like the experience of developing a romance with a DR person, and that’s fine! You don’t have to shift to an already existing romance. You can script you have or will develop feelings for each other using whatever affirmations you want. Here are some suggestions:

NAME finds me attractive.

NAME has eyes for no one but me.

NAME finds me irrestable.

NAME and I develop feelings for each other.

NAME and I have a strong bond that developes into a friendship into something more.

NAME’s interest in me grows with every second.

You can also script for specific romantic events to happen.

Some examples/possibly suggestions if they apply ig:

NAME and I watch a movie at their house, and they first recognize their feelings when they see me smiling at the film.

NAME asks me out after we fall asleep on FaceTime.

NAME and I kiss as a dare but the next time we are alone, continue without thinking about it.

For a slow burn romance, though your intent and imagination of what your DR life will be like will likely cover it, I think scripting it is a good specification. You could script specific events like before as your relationship grow and know/script the events have long periods between each other, or you could use more specific affirmations for a slow burn in general, some suggestions being:

NAME and I gradually develop feelings for each other.

NAME and I keep our romantic interest hidden.

NAME pines for me over time.

I pine for NAME over time.

Our romantic relationship develops slowly.

As we develop feelings for each other we long for each other.

NAME decides to hide their love for as long as possible.

BLANK keeps us from confessing.

Every time we drop a hint about our deeper emotions, the other writes it off.

NAME believes they’re reading too far into any possibly romantic interaction.

NAME and I have an impossibly strong bond.

NAME and I don’t address the growing tension between us.

All these affirmations can be applied to poly relationships, too, just add in the other names and people. There are realities out there where you are all poly together!! Go ahead and shift there if you want :)

REMINDER

These are real people. Unless they deserve it, I guess, please don’t cheat on them. Please don’t break their hearts for fun. Please don’t murder anybody else who has feelings for them. You need their consent for sexual activities. Don’t take advantage of emotional distress to get sex. Please treat them as you would a partner in your CR.

nedlittle

landscape with a blur of conquerors - richard siken webcam footage from the amundsen scott south pole research station good bones - maggie smith fata morgana - gundula blumi franz marc’s blue horses - mary oliver niagara falls (12.31.19)

gluednewts

one thing i love about tmr is how it’s found family trope twice. these kids found their family in each other at a young age at wckd facility only to have each and every one of their memories wiped and get plopped in the maze and they STILL found family in each other again after being separated and having no memories of the friendship they had before

alurdunfinn

Aren’t you gay?

I like how this implies I did something heterosexual. If so, I apologize.

nibeul

Some of y’all think that holding hands and sharing a bed is immediately romantic, and this is why people cannot differentiate between romantic, platonic, and familial forms of love.

peachdoxie

Nothing is EVER inherently romantic. The meaning of a gesture is determined by the people involved in it, not some random outsider.

slowlyshytheorist

The meaning of a gesture is determined by the people involved in it

mynewurl

this website has destroyed my sense of humour, last night i was in bed with my bf and i had a mental image of an egg with the word suspicious written on it and honestly lost my shit

mynewurl

boldlyqueer

I love women who are unabashedly big.

Women with big laughs, big smiles, big voices, big bodies, and even bigger personalities to match. Women that don’t care if they take up space with long strides and sit with their legs miles apart.

They give big hugs and big kisses, and they have big hearts. Big, proud women are amazing.

boldlyqueer

This posts includes trans women and excludes terfs, btw.

twinicegiantorbiters

it’s easy to forget, so I’ll remind y’all: you can make fantasy versions of anything. yes even things you might not think about. like soil types. I am thinking of fantasy soil types right now

headspace-hotel

Fantasy cloud shapes

Fantasy types of storms

fantasy kinds of stars

fantasy periodic table

fantasy kinds of fungi

fantasy fruits

fantasy months of the year

fantasy dairy products

fantasy kingdoms of life

fantasy food groups

fantasy biomes

fantasy moons

fantasy candies

fantasy condiments

fantasy performance arts

fantasy kinds of musical instrument

fantasy geological eras

fantasy cryptozoology

fantasy architecture

fantasy rude gestures

fantasy sports

fantasy organisms that live on the abyssal plain

fantasy stages of grief (the 6th one is werewolf)

fantasy crimes

fantasy conspiracy theories

fantasy subcultures

fantasy body modifications

fantasy music genres

fantasy political viewpoints

fantasy technological revolutions

fantasy drugs

fantasy symptoms of mental illness

fantasy laws of thermodynamics

fantasy verb tenses

fantasy branches of mathematics

themauvesoul

Hate diet culture so much bitches will b like “don’t eat processed carbs they’re so bad for you” like and??? So what?? God did not give us grain and stone to grind it with for no reason. Bread is inevitable. Bread is food for the heart and the soul. U think I’m gonna give that up in pursuit of instagram fitness?? U think I’m gonna deny myself the simple pleasure of toast with jam so I can endlessly chase an ever-shifting standard of beauty that ultimately means nothing? In 20 years I will no longer be beautiful and in 60 my body will be vacant food for other, smaller creatures. But the taste of fresh bread? Of homemade donuts and still-warm pie? I will carry the taste on my tongue into whatever follows this life. So like. Stop telling me I should diet lmao. I’m not abt to martyr myself just to get a man to look at me.