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April 17,2025
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like the graphic viewpoints for concepts
one of my supervisors said one of his hobbies is reading Feynman's lectures haha
April 17,2025
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In keeping with my ghoulish experiments on the elasticity of Goodreads reviews, I have provided a handy dandy guide to would-be scientists who wish raid these three volumes for all their willy bits. I have crafted a list of brain specifications for multi-tiered appreciation. It’s worth noting that these lectures are uneven in terms of difficulty, and that someone without a background in mathematics can appreciate some sections, particularly in volume one, just for the conceptual upgrades that Feynman is known sling with such frequency that, you might begin to suspect this inexhaustible supply is the result of communion with a Terrance McKenna style entity of animal crackers and Morphic Resonances. But I digress, precipitously, to imitate what happens with the physics on offer, because they get steep, and you’re almost guaranteed to experience some nasty cyanosis if you have no grounding in numerical witchcraft. It should go without saying that if you’re a Ramanujan type autodidactyl creature, or you share Feynman’s connubial bliss with McKenna-fauna, then you’ll find this specifications/ergregia cum laude all things Dick (Feynman), rather pedestrian. But, before you go; a few comments. First, that’s technically bestiality, even if your corporeal form remains in the lazy boy while your mind strokes Baphomet’s Caduceus. Second, why you would deign to subject yourself to the meanderings of this little idiot is, perhaps, as baffling as your fetish for Éliphas Lévi’s imagery while high on Psilocybe azurescens.

Minimum specs:

A commitment to casting down all shibboleths of superstition regarding how loaves of bread move along incline planes. The intestinal fortitude to accept that you will frequently find yourself out of your depth. A willingness to avail yourself of other resources should you stumble over something so badly that your junk looks like an exploded hotdog. A passion for understanding how the universe works. High school algebra/physics. A mental emetic for purging abstractions in the event that your neurons go critical. A family member with an engineering background who can kindly offer advice (in my case; my dad. Who was also very understanding when, as a wee lass, I took apart a barstool over the course of days by working the screws with my nubby fingers, hid the nuts and bolts in my mouth, then buried my head in the pillows of the couch. A red flag behavior that persists to this day, indicating some bizarre oral fixation has been recently indulged, I urge you to keep your extrapolations pure, but you probably can’t help yourself now.)

Medium specs:

A willingness to work out many problems related to the topics being discussed (you’ll have to seek out supplementary material) in order to make sure you’re not just gaining superficial understanding. Feynman can make things sound much easier than they actually are for us pudding brains. It’s critical to do the work. The lectures were intended for Caltech students, (no slouches, those), and, by Dick’s own admission, many of them became lost trying to drink from the fire hose. You and trig need to be exchanging sexual favors on the reg. College physics/calculus (differential equations for mechanics and dynamics, vector and multidimensional for electricity and magnetism). Controlled amounts of attention enhancing pharmaceuticals. Someone willing to strike you with a kyōsaku (encouragement stick) when you find your mind wandering. Partially digested coffee cherries freshly defecated by an Asian palm civet.

High specs:

Mescaline. (100 mg mescaline hydrochloride (HCl), 111 mg mescaline sulfate or 85 mg mescaline freebase to establish foundation). Small Athame Ritual Dagger (for complex geometrical approximations). Altar constructed according to Fibonacci Sequence. Serpentis Leviathan Cross Altar Tapestry Banner (self-explanatory). Sigil of Astaroth (there are some patches for this at any Hot Topic if you don’t have the resources to craft a shield). Lemegeton Goetia Ritual Circle (embroidered cloth or crude approximation drawn in earth at your own risk, as entities can be extremely detail oriented). Goth Long Matte Black Press On Nails Witchy Hecate Hex Halloween Horror (non-negotiable) Skull Bowl (you’ll probably want this in resin, as genuine human skulls often cast suspicion). Baphomet Horned God Goat Skull Ritual Goblet (assorted candies). Black Mini Taper Spell Candles (naturally). Brass Candle Snuffer With Wood Handle (classy). Cast Iron 6 Inch Wide Mouth Mini Cauldron (mostly vodka). Charcoal Tongs With Inscribed Pentacle (for the nips). Incense (mask scent of daemon smegma). An example ritual for summoning Maxwell’s Demon follows:

Cast the Circle

Using your wand (athame, finger, slide rule etc.). Start in the north, envision you’re drawing up the quantum vacuum energy of the universe, coalescing in your ritual implement of choice, then, pointing said device toward the earth, draw down the collective bombardment of neutrinos in your local area. (It’s perfectly normal if you don’t feel anything during this torrential rain of subatomic particles, but trust me, I have it on good authority that it’s happening.)

Walk around once, saying:

I conjure the Circle of Power, by my factorization and by my largest prime,

I conjure the Circle of Power, a boundary between numerator and denominator;

I conjure the Circle of Power, a sacred space for calculations;

I conjure the Circle of Power, to shelter us from negative energies of innumeracy;

I conjure the Circle of Power, to contain the derivatives and integrals within;

By the powers above, and the powers below, I close this circle- so mote it be!

The following chant for Maxwell’s Demon should be uttered in the likeness of Oppenheimer in the famous clip where he quotes the Bhagavad Gita. Being performed garbed in the robe of black or clad with the sky. At the hour of midnight upon the new of the moon within the circle of consicration [sic]. Using the TEXAS INSTRUMENTS TI-36X PRO ENGINEERING/SCIENTIFIC CALCULATOR and the CELESTRON’S ADVANCED VX 8-INCH SCHMIDT-CASSEGRAIN TELESCOPE bring forth the watcher from the STATISTICALLY IMPROBABLE ABYSS.

IA! IA!

I DERIVE THEE FROM FIRST PRINCIPLES!

Ageless violator of the second law of thermodynamics.

I CALL THEE AGELESS ONE FORTH FROM THE STATISTICALLY IMPROBABLE ABYSS

Forever bouncing gas molecules.

IGWA YTHALLA SHUGATHATHER!

GR’THERA!

IA! IA! IA! KUTHLU

ENHAL THULUK ENIKAR!

BY THE PARTICLES EXCHANGED THROUGH THIS PARTITION

DEFY THERMAL EQUILIBRIUM

ENHAL THULAK ENIKAR!

NARDAR THULHU RY’LEH KHEMAR

TERROR OF BOLTZMANN YOU ARE DRAWN FORTH

As of Bohr.

MATERIALIZED FROM THOUGHT EXPERIMENTS

As of Einstein.

BY THE WORDS OF THE VENERABLE LORD KELVIN AND JAMES CLERK

BY THE COVENANT OF ROYAL SOCIETY.

NEWTON THULAK ENIKAR!

IA! AZAZAZA THULL GHARNA!

BY THE WORDS OF SADI CARNOT

BY THE COVENANT OF CLAUSIUS.

Be one with us

The name of Maxwell compels thee.

Be friendly unto the worshipers of the INTEGERS!

Fuck fractions

A’Akhar m’lghuni! IA!

VORISH NAA’KAVA!

ENHAL THULAK ENIKAR!
April 17,2025
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DO NOT GET AUDIO BOOK!
LECTURES ARE DESIGNED TO BE ACCOMPANIED BY MATH ON CHALKBOARD!
AUDIO BOOK MISSES SAID MATH!
April 17,2025
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You've got to get the audio of this - his voice is amazing
April 17,2025
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Seandainya saya menjadi salah satu pemangku kepentingan pendidikan, buku ini akan saya rekomendasikan untuk menjadi salah satu referensi materi pelajaran fisika di SMA.

Penulis, Richard Feynman, penerima Nobel Fisika tahun 1995 menjelaskan fenomena dan peristiwa di bidang fisika dengan memakai pendekatan penjelasan yang runtut dan logis disertai dengan contoh nyata di kehidupan sehari-hari. Pendekatan penulis menjadikan konsep fisika yang secara umum saya pandang sebagai sesuatu yang memusingkan dan sulit, menjadi mudah difahami dan dicerna oleh nalar.

Buku ini dapat diunduh secara gratis di http://feynmanlectures.caltech.edu/

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If I become one of the stakeholders of education, would I recommend this book to be one of the reference materials physics in high school.

The author, Richard Feynman, Nobel Laureate in Physics in 1995 explains the phenomena and events in the field of physics using a coherent approach and a logical explanation accompanied with real examples in everyday life. The author's approach makes the general concepts of physics that I saw as something that is confusing and difficult, be easily understood.

This book can be downloaded for free at http://feynmanlectures.caltech.edu/

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April 17,2025
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Excellent physics reference for any level (as long as you knw calculus)
April 17,2025
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It's a great book. But what the fuck is Jen talking about
April 17,2025
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Prof. R. P. Feynman at the California Institute of Technology during the academic year 1961-62

ab initio

euclidean geometry

If, in some cataclysm, all of scientific knowledge were to be destroyed, and only one sentence passed on to the next generations of creatures, what statement would contain the most information in the fewest words? I believe it is the atomic hypothesis (or the atomic fact, or whatever you wish to call it) that all things are made of atoms

paramecia

The atoms are 1 or 2 X 10-8 cm in radius. Now 10-8 cm is called an angstrom (just as another name)

pressure times the area is the force). Clearly, the force is proportional to the area, for if we increase the area but keep the number of molecules per cubic centimeter the same, we increase the number of collisions with the piston in the same proportion as the area was increased.

Most simple substances, with the exception of water and type metal, expand upon melting, because the atoms are closely packed in the solid crystal and upon melting need more room to jiggle around, but an open structure collapses, as in the case of water.

Helium, even at absolute zero, does not freeze, unless the pressure is made so great as to make the atoms squash together. If we increase the pressure, we can make it solidify.

Therefore there are more going out than coming in, and the water evaporates. Hence, if you wish to evaporate water turn on the fan!

Of course when there is no net evaporation the result is nothing—the water is not changing temperature. If we blow on the water so as to maintain a continuous preponderance in the number evaporating, then the water is cooled. Hence, blow on soup to cool it!

the crystal is not made of atoms, but of what we call ions. An ion is an atom which either has a few extra electrons or has lost a few electrons. In a salt crystal we find chlorine ions (chlorine atoms with an extra electron) and sodium ions (sodium atoms with one electron missing).

By equilibrium we mean that situation in which the rate at which atoms are leaving just matches the rate at which they are coming back.

precipitation

Most substances dissolve more, but some substances dissolve less, as the temperature increases.

carbon attracts oxygen much more than oxygen attracts oxygen or carbon attracts carbon. Therefore in this process the oxygen may arrive with only a little energy, but the oxygen and carbon will snap together with a tremendous vengeance and commotion, and everything near them will pick up the energy. A large amount of motion energy, kinetic energy, is thus generated. This of course is burning; we are getting heat from the combination of oxygen and carbon. The heat is ordinarily in the form of the molecular motion of the hot gas, but in certain circumstances it can be so enormous that it generates light. That is how one gets flames.

If we burn the carbon with very little oxygen in a very rapid reaction (for example, in an automobile engine, where the explosion is so fast that there is not time for it to make carbon dioxide) a considerable amount of carbon monoxide is formed.

The six carbons which form a ring do not form a flat ring, but a kind of "puckered" ring. All of the angles and distances are known. we see a "ring" of six carbons, and a "chain" of carbons hanging on the end

So we can appreciate that the chemical names must be complex in order to be complete. You see that the name of this thing in the more complete form that will tell you the structure of it is 4-(2, 2, 3, 6 tetramethyl-5cyclohexanyl)-3-buten-2-one, and that tells you that this is the arrangement.

if we look at very tiny particles (colloids) in water through an excellent microscope, we see a perpetual jiggling of the particles, which is the result of the bombardment of the atoms. This is called the Brownian motion.

the chemical properties of a substance depend only on a number, the number of electrons. (The whole list of elements of the chemists really could have been called 1, 2, 3, 4, 5, etc. Instead of saying "carbon," we could say "element six," meaning six electrons,

A photon is never at rest, it is always moving at 186,000 miles a second.

inorganic chemistry, the chemistry of substances which are not associated with living things

We have already discussed the difference between knowing the rules of the game of chess, and being able to play. So it is that we may know the rules, but we cannot play very well

In any chemical situation a large number of atoms are involved, and we have seen that the atoms are all jiggling around in a very random and complicated way. If we could analyze each collision, and be able to follow in detail the motion of each molecule, we might hope to figure out what would happen, but the many numbers needed to keep track of all these molecules exceeds so enormously the capacity of any computer

In their study of nerves, the biologists have come to the conclusion that nerves are very fine tubes with a complex wall which is very thin; through this wall the cell pumps ions, so that there are positive ions on the outside and negative ions on the inside, like a capacitor. Now this membrane has an interesting property; if it "discharges" in one place, i.e., if some of the ions were able to move through one place, so that the electric voltage is reduced there, that electrical influence makes itself felt on the ions in the neighborhood, and it affects the membrane in such a way that it lets the ions through at neighboring points also. This in turn affects it farther along, etc., and so there is a wave of "penetrability" of the membrane which runs down the fiber when it is "excited" at one end by stepping on the sharp stone. This wave is somewhat analogous to a long sequence of vertical dominoes; if the end one is pushed over, that one pushes the next, etc. Of course this will transmit only one message unless the dominoes are set up again; and similarly in the nerve cell, there are processes which pump the ions slowly out again, to get the nerve ready for the next impulse

when the impulse reaches the end of the nerve, little packets of a chemical called acetylcholine are shot off (five or ten molecules at a time) and they affect the muscle fiber and make it contract

all living things have a great many characteristics in common. The most common feature is that they are made of cells, within each of which is complex machinery for doing things chemically

It is called the Krebs cycle, the respiratory cycle.

these changes are relatively difficult to accomplish in a laboratory. If we have one substance and another very similar substance, the one does not just turn into the other, because the two forms are usually separated by an energy barrier or "hill." However, if we could literally take the molecules in our hands and push and pull the atoms around in such a way as to open a hole to let the new atom in, and then let it snap back, we would have found another way, around the hill, which would not require extra energy, and the reaction would go easily. Now there actually are, in the cells, very large molecules, much larger than the ones whose changes we have been describing, which in some complicated way hold the smaller molecules just right, so that the reaction can occur easily. These very large and complicated things are called enzymes.

the most useful tool of all for analyzing this fantastically complex system is to label the atoms which are used in the reactions. Thus, if we could introduce into the cycle some carbon dioxide which has a "green mark" on it, and then measure after three seconds where the green mark is, and again measure after ten seconds, etc., we could trace out the course of the reactions. What are the "green marks"? They are different isotopes.

it is also known that little molecule pieces come off the DNA—not as long as the big DNA molecule that carries all the information itself, but like a small section of it. This is called RNA, but that is not essential. It is a kind of copy of the DNA, a short copy. The RNA, which somehow carries a message as to what kind of protein to make goes over to the microsome; that is known. When it gets there, protein is synthesized at the microsome. That is also known. However, the details of how the amino acids come in and are arranged in accordance with a code that is on the RNA are, as yet, still unknown. We do not know how to read it. If we knew, for example, the "lineup" A, B, C, C, A, we could not tell you what protein is to be made. Certainly no subject or field is making more progress on so many fronts at the present moment, than biology

The central problem of the mind, if you will, or the nervous system, is this: when an animal learns something, it can do something different than it could before, and its brain cell must have changed too, if it is made out of atoms. In what way is it different?

Dogs are easier to understand, but nobody yet knows how dogs work.

The law is called the conservation of energy. Imagine a child, perhaps "Dennis the Menace," who has blocks which are absolutely indestructible, and cannot be divided into pieces. Each is the same as the other. Let us suppose that he has 28 blocks. His mother puts him with his 28 blocks into a room at the beginning of the day. At the end of the day, being curious, she counts the blocks very carefully, and discovers a phenomenal law— no matter what he does with the blocks, there are always 28 remaining! This continues for a number of days, until one day there are only 27 blocks, but a little investigating shows that there is one under the rug—she must look everywhere to be sure that the number of blocks has not changed. One day, however, the number appears to change—there are only 26 blocks. Careful investigation indicates that the window was open, and upon looking outside, the other two blocks are found.

In the gradual increase in the complexity of her world, she finds a whole series of terms representing ways of calculating how many blocks are in places where she is not allowed to look.
April 17,2025
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Para dar quote a um brilhante academico

"Mais uma vez prevalece que o quantico le Dostoievski mas o flupiano nao le Feynmann"
April 17,2025
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Verrrrr difficult but mind-expanding. Don't try to read until you're several university classes deep.
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