This refutes space as defined by the heliocentric model. Our air would fill the volume of space.

@ericerpelding686

2 жыл бұрын

Does the bromide gas have a pressure gradient inside the glass bulbs?

@ARBB1

2 жыл бұрын

No. Hydrostatic equilibrium is precisely possible because the presence of gravity counterbalances the diffusion.

@lumpygasinavacuum8449

Жыл бұрын

@@ericerpelding686 did you hear him say expansion of a gas into a vacuum is spontaneous NOTHING ELSE IS INVOLVED. You can not have a gradient without containment. Space is fake.

@richbagley3841

Жыл бұрын

@@ARBB1Gravity has never been proven following the scientific method.

@sensualgoat3718

3 ай бұрын

​@ARBB1 define gravity, please post scientific hypothesis for gravity

I love it that he explained the molecular motion with arrows drawn in paper and bead necklace. And showed actual experiments. Not with useless diagrams drawn on blackboard or animation clips as it's done today. This proves that concepts will be more understandable if they are explained with real objects rather than vague 2 dimensional images.

@andrewcalvert2801

2 жыл бұрын

Exactly, this is why the heliocentric model and its claims can only be shown on a white or blackboard, at no point will they show their claims in a practical demonstration using tangible substances

I wish professors nowadays would have the same way of teaching, simple yet effective. It clearly shows that he put a lot of effort and enthusiasm towards the subject. Great presentation!

@hh-hj9fn

Жыл бұрын

Same I miss when the white man would teach

What a wonderful lecture. Thank you for uploading this very useful video. I have watched it twice. Amazing how this professor put some much time in preparing those demonstrations. I got embarrassed because I also teach university students, but I am so far compared his clarity in explaining the topics. Wonderful. BTW: the instructor "Professor George Porter" won the Nobel Prize in Chemistry in 1967 (shared with two other professors).

And hence the entropy explained beautifully !

It renders the concept of Entropy so clearly that no others could be competed.

😂😍 Those film clips he showed... Wow, that was an amazing explanation. I didn't know entropy was *this interesting* ! An arrow of time, wow! A lot of sci-fi movies about time-travel, and nothing mentions entropy. Gosh this lecture is so underrated. Fascinating!

This is awesome! Thanks for the upload. Vintage thermodynamics lecture. Real cool!

Thank you so much for an amazing video. No other video can be as simple and great as this! Very glad to get this.

thank for such a great video....this is the best video to understand the concept of entropy...

Loved it!!! He is like the best professor anyone can eve get to teach!

Thank you for this wonderful upload.

A marvellous speaker, although the connection between entropy and disorder is incorrect. Mostly very worth listening. He was my hero as a boy, with his Royal Institution lectures on black and white TV.

Pull isn’t a force it’s a descriptor of something coming towards you, it’s pushed apart, no motion without a pressure being applied, push is the force always

Fanatastic Presentation! So early in time. Yet still so relevant!

@kampaseuth

4 жыл бұрын

Take a kilogram of water at 15 Celsius. Heat it to 30 Celsius. Could you calculate the increase (or decrease) of entropy of this kilogram of water?

thank you very much for sharing this video.

The second law has now been demonstrably broken. @ The comment bar blocked my link! you will have to search for it. I can understand scepticism . Please bring it with you.

I wish I could give two thumbs up!

this was very much intuitive. thanks for sharing ❤

This is such a great video!

That was very well explained :D Thank you c:

Thank you for uploading

At the start it says Programme Four - The second law. Are any other videos preceding this one available? couldn't find them online. Thanks for posting this. It was helpful.

Best explanation of 2nd law

Muy util la exposicion...gracias mil

Thank you by share this video :)

The expression Del S= Q/T applies when the Q is transferred in a reversible manner and there's no finite temperature difference. This is important to note.

@louf7178

5 жыл бұрын

Nikan RT Why is that so critical?

Very nice clear lecture

Great video, can the cosmological constant define the arrow of time ? and if so, how it is related to thermodynamic entropy.

Can anybody explain me the 1st example he gave using bromine...he said that there is not temperature change after when some of the bromine dispersed from one bulb to another.,how can it be possible since expansion itself must reduce the temperature of bromine according to basic principles of thermodynamics?

This is such a collection of 'rabbits out of hats'. There is no narrative theme, no progression from first principles. A prime example of how an expert in a subject can be sublimely unaware that he is not explaining things clearly.

@SSJHF

7 жыл бұрын

You do realize this was for a public audience and not academic students?

Excellent explanation considering its something from the "far-past."

Thanks

In case of rubber entropy decreases due to the straightening of the coiled polymeric chain also (S=q/t). ,ds×dt=dq, ds+dS>0

Proves the sky is not a vacuum

Misunderstandings in ideas about entropy and second law Many misunderstandings in understanding the problems of life and evolution from the standpoint of physics and physical chemistry are typically associated with misconceptions in understanding entropy. The term "entropy" coined Rudolf Clausius. According to his "model" of the world (universe), he presented a statement: "The energy of the world is constant. The entropy of the world tends to the maximum". Later this statement was chosen by JW Gibbs as an epigraph to the paper "On the Equilibrium of Heterogeneous Substances". These scientists have given this statement in relation to their model of the universe. This model corresponds to a simple isolated system of ideal gas, i.e. isolated system of ideal gas, energy and volume of this system are constant and in which only the work of expansion is performed. Entropy of such a system can only increase! It should be noted that when we say on ideal model, which would correspond to the real universe, it would be necessary to accept the unreal assumption that any form of energy real universe will be transformed into thermal energy. Only in this case, also under additional unrealistic assumptions, the real universe "would turn" into the model of ideal system of Clausius - Gibbs. However, lovers of science have applied representations on simple systems to systems of other types, in which the interactions takes place between particles of different nature (interactions of molecules or other objects of different hierarchies) and to systems which interact with the environment. Some scientists, who are not professionals in the relevant fields of knowledge, have not escaped such errors. This has led to unimaginable confusion. This has slowed down the development of science, more than on a century. There are thousands of publications in scientific journals and popular literature containing marked misunderstandings. To these were added incorrect ideas on the negentropy and on the dissipative structures in the living world, and the false identification of "the information entropy" with the thermodynamic entropy. The origin of life and its evolution can be easily explained from the standpoint of hierarchical near equilibrium thermodynamics of complex dynamic systems. This thermodynamics established on a solid foundation of equilibrium thermodynamics - thermodynamics of Rudolf Clausius, JW Gibbs and other great scientists. www.membrana.ru/particle/17266 See also: On General Physical Principles of Biological Evolution www.researchgate.net/publication/314187646_On_General_Physical_Principles_of_Biological_Evolution

@J2theK

3 жыл бұрын

None of that matters, because entropy proves the sky is not a vacuum and outer space doesn't exist. Entropy proves atmospheres could never even form in a vacuum to begin with. Bye bye Heliocentrism. Bye bye Big Bang. Bye bye evolution.

great

In order for universal constants to persist, the process (mathematically) of modulation (eg from Planck's Constant), and demodulation/integration of energy, then the subsystem selected is rotating and reflecting out of the local structure of the choice of parameters. Just like an arrow dissipating the energy of the bow in a selected direction, a subsystem does the same. Nothing wrong with the lecture, it's a mark of progress in the normal way, that for the era, everyone did the best they could with what they had, and changed the world. (another subsystem)

27:04 the way he says that is so funny to me Overall, this served as a very interesting and helpful explanation

wow!!!!

What year was this?

Hey, this guy is definitely an old-school professor......Am I correct in thinking he won a Nobel prize in the seventies?

Isn't the change in entropy equal to the integral of dQ/T? So in the brownian motion example and the elastic band example shouldn't entropy change be zero as that integral is zero?!!

@briangreenhalgh3830

8 жыл бұрын

dS = dQ_rev/dT....one must not neglect the qualification of the process being a reversible one when applying that relation. For irreversible processes, that doesn't apply, and entropy changes are not described by it. It is analogous to asking, "Isn't PV = nRT?", which presupposes ideal gas behavior.

@briangreenhalgh3830

8 жыл бұрын

+Brian Greenhalgh typo, dS = dQ_rev/T...sorry for the typo.

Though a great lecture.. it is actualy outdated in a basic concept. The statistical approach is now generaly concidered to have the same problem of still being time-symetrical and local on molecular levels. As people like Prigogine have described in the 70-80's there are better (yet unfortunatly more difficult) ways to get real irriversable processes in non-lineair/far-from-equilibrium dynamics.

He won it in Chemistry in 1967.

@lumpygasinavacuum8449

3 жыл бұрын

This is proof of the flat earth.

The second law has now been demonstrably broken. @

awesome i think apple stole his idea

He's the david attenborough of physics lol

Good grief

Entropy is not Physics.

This lecturer is confused. The more he explains, the more obscure he becomes.

The second law has now been demonstrably broken. @