The concept of the atom, termed paramanu or anu, was established by Sage Kanada through his Vaisheshika school, deeply rooted in Vedic and Upanishadic thought. Kanada theorized that all material objects are composed of indivisible, eternal, and indestructible particles (paramanu) that combine to form substances, predicting atomic theories over 2,500 years ago.
Atomic Concept Paramanu (Ultimate Particle): The smallest, invisible, and eternal unit of matter. Anu (Molecule): Two or more paramanu combine to form molecules, or anu. Four Elemental Atoms: Kanada identified four types of atoms corresponding to earth, water, light, and air. Origin: The concept was introduced to explain the nature of that which is eternal (nitya) in the physical world. Philosophy and Context Vaisheshik Darshan: Sage Kanada, also known as Kashyap, documented these theories in the Vaisheshik Darshan. Connection to Upanishads: These schools (Nyāya and Vaiśeṣika) developed as commentaries on the Upanishads, providing an ontological (study of existence) perspective, according to the Stanford Encyclopedia of Philosophy. Differences from Modern Science: While modern science studies atoms through observation, ancient Indian atomic theory was developed through philosophy and logic, focusing on the material, permanent nature of the smallest particle. 2 Maharshi Kanad ( महर्षी कणाद) was born in 600 BC in Prabhas Kshetra (प्रभास क्षेत्र) near Dwaraka (द्वारका) in Gujarat, India. He is also known as Kashyap Rushi (कश्यप ऋषी) Once Kashyap Rushi was on a pilgrimage to Prayag when he saw thousands of pilgrims lettering Rice grains and flowers in the streets which they offered at the temple. Rishi Kashyap, began collecting the grains of that rice. People gathered around him to see why he is collecting grains from the street. People asked kashapa why he is doing so ? He said that each single grain in itself may seem worthless, but a collection of hundred grains make up a person's meal, the collection many meals would feed an entire family and ultimately the entire mankind was made of many families, thus even a single grain of rice was as important as all the valuable riches in this world. Since then, people started calling him ‘Kanad’, (कणाद) as ‘Kan’ (कण) in Sanskrit. ‘the smallest particle’. Kanad carried out study about this unknown world of small particles and stated his theories about Kana (atom) ( अणू). For this discovery people gave him the title Maharshi Kanad (महर्षी कणाद). In his work Vaisheshika (वैषेशीका) sutras. He has described the smallest particle (Kana or Atom) (कण , अणू). The Scriptures are from Vaisheshika sutras by him. 1) अणूसंयोगस्तवप्रतिषिद्ध: - 4.2.4 ANU SAMYOGA: THAVA PRATHISHTHYA Meaning- Anusanyog (अणूसंयोग )=Conjunction of atoms Tu (तू) = But , Apratisiddhah (अप्रतिषिद्ध:)= Not denied. 2) अतोविपरितमणु - 7.1.10 ATHO VIPAREETHAM ANU Meaning - Atah (अत:) = Of this Viparith (विपरितः)=Contrary Anu(अणू)= The minima of magnitude The contrary of this is Anu. AGREROORDWALANAM VAYOSTHEERYAKKA PAVANAM ANOONAAM MANASA SRAVA SHADHAYAM KARMODWASHTA KAARIDHAM// 3) अग्नेरूर्ध्वज्वलनं वायोस्तीर्यक्वपवनमणूनां मनसश्र्चशदयं कर्मादृष्ढकरितम ।। 5.2.13 Meaning- Agne (अग्ने)= Of fire. Urdhwajwalanam (ऊर्ध्व ज्वलनं) = Flaming Upward Vayoh (वायो:)= Of air Tiryak (तिर्यक)=sideward. (Pawanam) पवनं = Of wind Anunam (अणुनां) = Of fundamental particles. Mansah (मनस:) = Of Mind Ch (च)= And Adyam (आद्यमं)= Initial, first Karma drusha karitam(कर्मादृष्ढकरितम) = action caused by adristam or invisible. The initial upward flaming of fire, the initial sideward blowing of air and the initial action (motion) of anu, and of mind are caused by adristam or Invisible. 3 यदर्चिमद्यदणुभ्योणु च यस्मिन्ल्लोकाऽनिहिता लोकिनश्च । तदेतदक्षरं ब्रह्म स प्राणस्तदु वाङ्मनः तदेतत्सत्यं तदमृतं तद्वेद्धव्यं सोम्य विद्धि ॥ yadarcimadyadaṇubhyoṇu ca yasmiɱllokā'nihitā lokinaśca tadetadakṣaraṃ brahma sa prāṇastadu vāṅmanaḥ tadetatsatyaṃ tadamṛtaṃ tadveddhavyaṃ somya viddhi That which is the Luminous, that which is smaller than the atoms, that in which are set the worlds and their peoples, That is This, Brahman immutable: life is That, it is speech and mind. That is This, the True and Real, it is That which is immortal: it is into That that thou must pierce, O son, into That penetrate.~ Verse 2.2.2 Most people die in ignorance deeper than what they had at the time of their birth, and the proof of that is that the period of maximum innocence in a common person’s life is the childhood. Had you been living rightly, your innocence would have deepened as you progressed through your years. Innocence is proportional to the inner cleanliness that you have. Look You can be extremely beautiful even with wrinkles. You can be extremely beautiful even with sagging skin. And that's one mark of a life lived rightly: you will grow more and more beautiful as you age, you will never peak. The moment you close your eyes would be the moment when you would be at your best. But that does not happen. Do I really know what I am doing and why, or is it some invisible inner momentum that is pushing me to an unknown direction without my consent?” You have to keep asking this; again and again you must stop and take stock. If you must have a habit, this is the only one that you must have. Keep taking stock. “What’s going on? Which direction am I headed to and why? The one that I am, what do I get doing what I am doing?” That’s the entire purpose of the Upanishads, you see: to help you lead a truly fulfilling life. The human being, his concerns, his worries, his struggles, his sadnesses, are at the center of the Upanishads. They exist for you. They exist because you are not alright. They do not exist as bundles of knowledge, no. They exist as medicines. Think not of them as treatises in philosophy; think of them more as documents of medical diagnosis. “Life is That, it is speech and mind.” The entire process of life, if you can penetrate it, you will come to Brahman. When you say, “I will try hard and do it on my own,” it is not as if you are expressing an intention to really know; it is not as if you are expressing your devotion towards inner exploration. On the contrary, when you say, “I will do it on my own,” you are just expressing your cunning inner resistance to real knowing. “That is This, the True and Real.” Lead a life, I repeat, that forces you to be spontaneously reflective. That must be the kind of work you pick up, the relationships that you make. They should not allow you to stay unconscious. If you stay unconscious, you should receive a jolt—and reflection has happened. So, if you are sincere about the thing that you are afraid of losing, would you think? Because by thinking you are impeding your work towards securing that thing; by thinking you are only ensuring more and more that the thing will be lost. What kind of an inner slyness it is that professes to care for a thing and works to destroy the same thing? And how do you destroy that thing? By thinking instead of working. The time, the energy that should have gone into concrete work is instead squandered in open-ended and endless thought. And to keep yourself morally defended, you say, “You know, I am thinking because I love that thing, because I am afraid of losing that thing. K RAJARAM IRS 24326 On Tue, 24 Mar 2026 at 04:56, Markendeya Yeddanapudi < [email protected]> wrote: > > > -- > Questions > > > These are thoughtful, almost philosophical physics questions—let’s ground > them in modern atomic and quantum theory. > ------------------------------ > 1) Does an atom radiate photons throughout its life? > > No, not continuously. > > Atoms emit photons *only when something changes in their energy state*. > For example: > > - > > When an electron jumps from a higher energy level to a lower one → a > photon is emitted. > - > > When an atom absorbs energy → it can later re-emit it as photons. > > If an atom is in its *lowest energy state (ground state)* and > undisturbed, it can remain stable *indefinitely without radiating*. > ------------------------------ > 2) Does an atom age and die? > > Atoms do *not “age”* in the biological sense. > > However: > > - > > Some atoms are *stable* (like hydrogen or oxygen) and can exist > indefinitely. > - > > Some are *unstable (radioactive)* and undergo *Radioactive decay*. > > In that case, they don’t “age”—they simply have a probability of decaying > at any moment. > ------------------------------ > 3) After ageing (or change), what happens to an atom? > > Atoms don’t age, but they can *transform*: > > - > > In chemical reactions → atoms rearrange into new molecules. > - > > In nuclear processes → atoms can change into different elements. > > Examples: > > - > > *Alpha decay*: atom emits a helium nucleus. > - > > *Beta decay*: a neutron converts into a proton (or vice versa). > - > > *Fusion/Fission*: atoms combine or split. > > So instead of “dying,” atoms *transform into other atoms or particles*. > ------------------------------ > 4) Is *E = mc²* the total energy of an atom or an unending flow? > > The famous equation *Mass–energy equivalence* means: > > - > > The *mass of an atom corresponds to a fixed amount of energy*. > - > > It is *not a continuous flow*—it’s a stored quantity. > > However: > > - > > Only in nuclear reactions is a small fraction of that mass converted > into energy (like in the Sun). > - > > Under normal conditions, this energy is *not continuously radiated > away*. > > ------------------------------ > 5) Does ageing mean transformation from active energy to potential energy? > > Not in physics. > > In physics: > > - > > *Energy doesn’t “age”*. > - > > It only *changes form* (kinetic, potential, thermal, etc.). > > The governing idea is *Conservation of energy*: > > - > > Energy is never lost or created. > - > > It only transforms. > > So: > > - > > “Active → potential” is *not a general rule*. > - > > Instead, energy is constantly being *redistributed and transformed*, > depending on the system. > > ------------------------------ > A simple way to think about atoms > > - > > Atoms are *not living things* → no ageing or death. > - > > They are *quantum systems* that: > - > > stay stable, > - > > interact, > - > > or transform under certain conditions. > > ------------------------------ > > If you want, I can connect these ideas to philosophy (like whether atoms > can be thought of as “eternal”) or to modern physics concepts like quantum > fields. > > -- > You received this message because you are subscribed to the Google Groups > "Thatha_Patty" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/thatha_patty/CACDCHC%2B6O3NB2vZJRH%2BEu%3DXK4ocpt8RyZS%3DtvT_7wEF63vYKyA%40mail.gmail.com > <https://groups.google.com/d/msgid/thatha_patty/CACDCHC%2B6O3NB2vZJRH%2BEu%3DXK4ocpt8RyZS%3DtvT_7wEF63vYKyA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. 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