Space oddities - with Harry Cliff

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The Royal Institution

The Royal Institution

29 күн бұрын

Join University of Cambridge and CERN physicist Harry Cliff as he explores the cosmic anomalies currently perplexing scientists.
Watch the Q&A here (exclusively for KZbin members): • Q&A: Space oddities - ...
Buy Harry's book here: geni.us/5hGEtI
This Discourse was recorded at the Ri on 27 March 2024.
From particles of astonishing energies erupting from the depths beneath the Antarctic ice to enigmatic forces subtly tugging at the fundamental building blocks of matter, the universe offers us an ever-growing compendium of cosmic riddles. Notably, stars are hurtling away from us at velocities that challenge the boundaries of explanation, leaving scientists astounded by the inexplicable.
Harry will guide us on a journey that spans continents, introducing us to the brilliant minds who have dedicated their careers and reputations to unraveling the mysteries shrouding these cosmic anomalies. Are these cosmic quirks flukes of nature, or do they allude to the hidden parts of the universe we have yet to discover?
Through Harry’s trademark wit and wonder, he opens the door to the tantalizing possibility of untold cosmic realms waiting to be discovered.
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Harry Cliff is a particle physicist at the University of Cambridge working on the LHCb experiment, a huge particle detector buried 100 metres underground at CERN near Geneva. He is a member of an international team of around 1400 physicists, engineers and computer scientists who are using LHCb to study the basic building blocks of our universe, in search of answers to some of the biggest questions in modern physics. His first popular science book, How To Make An Apple Pie From Scratch, was published in August 2021. From 2012 to 2018 he held a joint post between Cambridge and the Science Museum in London, where he curated two major exhibitions: Collider (2013) and The Sun (2018). He has given a large number of public talks, including at TED and the Royal Institution, and made numerous appearances on television, radio and podcasts.
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Пікірлер: 780
@gordonicus4637
@gordonicus4637 6 күн бұрын
I love it when clever people make their work entertaining and understandable to ordinary folks. Thank you Harry!!
@maurizioalbera
@maurizioalbera 26 күн бұрын
How I wish most university teachers were like you. 54 minutes flew by without a single loss of tension. Thank you so much.
@MarkkuS
@MarkkuS 23 күн бұрын
It's much easier with history and pop science
@ianthepelican2709
@ianthepelican2709 22 күн бұрын
He could have talked a mite slower and I would have still been as attentive.
@marcdraco2189
@marcdraco2189 22 күн бұрын
Abolutely. I want to put that on again.
@insane_troll
@insane_troll 18 күн бұрын
And the Hubble tension still hasn't been resolved!
@voornaam3191
@voornaam3191 17 күн бұрын
​@@insane_troll Then SOLVE it, instead of complaining. Duh.
@johnathanmandrake7240
@johnathanmandrake7240 20 күн бұрын
Dark matter and dark energy is not something we have discovered, it is something we have not discovered.
@johncraig2623
@johncraig2623 15 күн бұрын
Both of these constructs are admissions we don't have a clear idea of what is going on with behavior we observe in the universe.
@johnlonkert7187
@johnlonkert7187 15 күн бұрын
@@johncraig2623You're both right...and yet both wrong. The first one, the fella who said dark Yada Yada Yada are things we haven't discovered...well. Ok, no, we don't know what either of those things are, exactly. But we still know they ARE there, and we still know what they both do. Insofar as it affects the universe gravitationally, anyway. Sure, they may both do many other things, but they are still discovered. Aaaaand second fella...you are right, inasmuch as we don't have much of an idea about the behavior of the universe...I mean, cmon dude! The universe is gi-freaking-normous!!! It's honestly astounding that we know as much as we do! We actually have a very good idea about the behavior of the universe, as we are allowed to interact with it. So yeah, I agree that you are both right, as far as it goes, but looking at the glass half full and realizing just how much we know about something so mind numbingly huge and impossible to ever get to, we still know a lot, relatively.
@Michael-Archonaeus
@Michael-Archonaeus 14 күн бұрын
Dark matter is another term for the ether.
@LWJCarroll
@LWJCarroll 14 күн бұрын
Imo. more like place holder names for effects/goings on. scientists have observed…. Laurie. NZ. 😊
@Michael-Archonaeus
@Michael-Archonaeus 14 күн бұрын
@@LWJCarroll Aka "ether."
@websciencenl7994
@websciencenl7994 16 күн бұрын
This lecture is so fantastic. I finally understand 1) how the age of our universe is calculated, 2) how dark matter can be detected, 3) what the proof is of different sub-atomic particles, 4) the three ways of measuring distance of stars (and galaxies via supernova's), etc. It is stuck in my brain now by this one hour video. Absolutely amazing. Thank you Harry!
@Staylecrate
@Staylecrate 13 күн бұрын
yeah! RI rocks.
@raylocke282
@raylocke282 12 күн бұрын
Mr.Spock was from Vulcan.
@vihreelinja4743
@vihreelinja4743 12 күн бұрын
These scientist need to inhale DTM so they will see how everything work.
@steveflorida5849
@steveflorida5849 11 күн бұрын
​@@vihreelinja4743the medical scientists are still looking for the source of human Consciousness.
@msuquadplayer
@msuquadplayer 2 күн бұрын
I've never seen this person before perform a lecture, but yes, for those who can hold interest to this sort of truly .... esoteric, phenomenon, he makes these complex ideas sound intuitive edit: and interesting
@PafeueG1
@PafeueG1 17 күн бұрын
One of the best lectures recently in RI. While it was nothing really new that was discovered, the way our actual knowledge about the universe and QFT was presented by Harry is truly outstanding. This is the way to speak to keep people focused and interested, thank you!
@doctorkdsify
@doctorkdsify 7 күн бұрын
I have 😊a
@MrNutable
@MrNutable 10 күн бұрын
What an amazing lecture. THANKS!!! What a wonderful world where you have access to this, without even looking for it, while you sip your morning coffee and wait for your kids to wake up. Thanks again
@pingpong5000
@pingpong5000 18 күн бұрын
He knows his stuff and makes it very interesting for those of us who wish we were smarter and better informed about science, many thanks Harry.
@glacieractivity
@glacieractivity 9 күн бұрын
Ping - science is not that smart (since we always discuss the things we do not know) making science such a fun job. Science is also a hard job but it is perfectly achievable for living "normies" like myself.
@mayflowerlash11
@mayflowerlash11 26 күн бұрын
LOL. At 15:17 "In 2015 he was putting the finishing touches ..." Really? More like 1915. I acknowledge this was just a slip of the tongue.
@chegeny
@chegeny 24 күн бұрын
"The distinction between the past, present, and future is only a stubbornly persistent illusion." -- Albert Einstein
@RFC3514
@RFC3514 23 күн бұрын
@@chegeny - Yeah, I remember when he said that, in 2057.
@mrhassell
@mrhassell 22 күн бұрын
What's 100 years between friends!? I couldn't stop laughing... thinking old first cousin marrying Albutto was younger than me.. cousin diddler
@roy2689
@roy2689 22 күн бұрын
I spotted it straight away too, made almost identical comment before I read yours..
@johnm8224
@johnm8224 21 күн бұрын
Yeah, I noticed that one, too, but it's clearly just an honest mistake. Like your honest mistake that this happened at 15:17 in the video, whereas it's actually at 05:17. Let's give him a pass!
@SeanMontie
@SeanMontie 20 күн бұрын
If you think about it, it's an incredible challenge to condense all of mankinds history of physics down to the present day. There are generations of brilliant scientists and their discoveries only mentioned in one sentence not because it isn't vastly fascinating and important but because he's trying to catch the rest of the salt of the earth (us), up to the incredible achievements and progress that have happened in the last 100 years that have completely changed our fundamental understanding of not only the creation of the universe but everything single thing in it, to then only present that we only really see 5% of what exists, the vast majority of energy is still not understood, and who knows someone or more likely many people will make some equally incredible discoveries that further improve our understanding. I've watched many talks over the years on the subjects of physics and cosmology. He does a fantastic job of fitting in as much info as possible in an hour but tempering it just enough so as not to lose the average viewer/listener. Well done sir.
@Chesterton7
@Chesterton7 15 күн бұрын
Agree!
@whimpypatrol5503
@whimpypatrol5503 12 күн бұрын
Given 17 known fields¹, I am wondering how their interactions occur independently of each other and can be calculated if not.
@whimpypatrol5503
@whimpypatrol5503 12 күн бұрын
Because every new discovery brings multiple new questions, it is easy to argue that the unknown is growing exponentially faster than scientific knowledge. No matter how many breakthroughs, the vastness of the unknown will never get the smallest dent.
@paddy8888
@paddy8888 27 күн бұрын
When Harry Cliff speaks, I listen with full attention.
@SlyNine
@SlyNine 26 күн бұрын
So you might say, you're excited to see him.
@mrhassell
@mrhassell 22 күн бұрын
Including that part about 2015 5:12 - Albert Einstein.. wasn't even alive in 2015 haha - don't you just hate saying the wrong century? Only 100 years...
@theextragalactic1
@theextragalactic1 27 күн бұрын
I love the Friday Evening Discourses! 🤵🏻‍♂️ Especially when they’re about space.
@alexwilli
@alexwilli 12 күн бұрын
5:17 - I knew it! Einstein was a time traveler! Seriously though, fantastic lecture.
@Space30MINUTES
@Space30MINUTES 24 күн бұрын
Very impressed with the way Harry Cliff presented space phenomena! If you are passionate about topics like this, don't miss it
@JamesPilkenton-se5cx
@JamesPilkenton-se5cx 22 күн бұрын
One in 12 million Mercurial orbits,.. Is it getting warm in here..?
@nzer57
@nzer57 24 күн бұрын
This stuff never gets old.
@s.scirocco4411
@s.scirocco4411 18 күн бұрын
This needed to be about another hour long. It was just getting really good when he ended it! Harry, please give us more!
@RussellBeattie
@RussellBeattie 27 күн бұрын
Harry Cliff's previous RI talk about field theory and the Standard Model is a must watch. Everything I know about the topic began with that video.
@jmp01a24
@jmp01a24 25 күн бұрын
Theory is not facts. So this guy goes around spread maybes?
@mostevil1082
@mostevil1082 24 күн бұрын
@@jmp01a24 Scientifically it's our current best understanding of the facts, when the word is used correctly.
@jmp01a24
@jmp01a24 24 күн бұрын
@@mostevil1082 Facts one day, the next it's considered uncomplete and hardly deserves a mention. Science and Religion.
@BenjWarrant
@BenjWarrant 24 күн бұрын
@@jmp01a24 That's not what 'theory' means in science. It's different to the 'theory' that Sherlock Holmes might have as to who is the murderer. That's why *'the theory of evolution by natural selection'* is not a "maybe", it's a set of well-understood principles that affect all biological organisms, and it's the name for that set.
@jmp01a24
@jmp01a24 23 күн бұрын
@@BenjWarrant What happened to facts? I have a theory that facts trumps maybe's.
@johnboyd6943
@johnboyd6943 5 күн бұрын
Well I got about 1% of that and even that tiny amount hurt my brain! I'm in awe of people that do this work, it's truly incredible.
@EleanorPeterson
@EleanorPeterson 27 күн бұрын
Very good lecture. Thank you, dear boy. Your gorgeous velvet jacket puts me in mind of Zapp Brannigan when he says "Velour..."
@JamesPilkenton-se5cx
@JamesPilkenton-se5cx 22 күн бұрын
Zapp Brannigann...my hero.,.(.sigh)
@boredguy1297
@boredguy1297 17 күн бұрын
Great talk! Couldn't have been explained better or more concisely! Way to really bring it all together in one cohesive speech. That barely felt like an hour.
@savage22bolt32
@savage22bolt32 27 күн бұрын
I feel better tonight. The desk is back! This is s really good talk, thanks very much.
@nicevideomancanada
@nicevideomancanada 23 күн бұрын
How very interesting this talk was. Thank you Harry.
@Strype13
@Strype13 14 күн бұрын
Phenomenal presentation, Mr. Cliff! (even if the man shamelessly sleeping in the front row [7:54] doesn't agree) Thank you for sharing this with us, I really enjoyed this. I will definitely be picking up a copy of your book, good sir.
@borawserboxer
@borawserboxer 27 күн бұрын
One of my favorite channels, recommend it to everyone. Keep posting more stuff like this plz!
@daviddean8198
@daviddean8198 17 күн бұрын
Brilliant presentation! Thank you so much, Harry Cliff.
@coffeetop1131
@coffeetop1131 21 күн бұрын
Well done Mr. Cliff. More importantly, you are the first RI presenter to hawk his wares. Congratulations!
@certuv
@certuv 18 күн бұрын
What a presenter, also enjoyed his interview with Lex Fridman at the sane place some two years ago
@user-fy8tr3kn5i
@user-fy8tr3kn5i 27 күн бұрын
What so amazing points of view!!!! Thank you!!
@mrhassell
@mrhassell 22 күн бұрын
The ultimate point - in 2015 Einstein was putting the finishing touches.. lol oh wow..
@gkhaled1
@gkhaled1 19 күн бұрын
10/10 Lecture! Extra point for the Father Ted joke, it’s so relevant
@gerardmichaelburnsjr.
@gerardmichaelburnsjr. 14 күн бұрын
Thank you, Dr Cliff. I can truly say this is the first physics lecture from which I have learned something in a very long time. With only high School physics, I had nonetheless figured out from the quantum jumping phenomenon and from the behavior of photons that there must be something that you described as the quantum field, and I resisted using the term 'ether' for it because I knew it had been rejected. Your demonstration with the hydrogen will help my understanding when I eventually think it through,, if I should live so long.
@NATESOR
@NATESOR 25 күн бұрын
So cool that you showed Neptune with the correct color grading!
@amitkasliwal2115
@amitkasliwal2115 22 күн бұрын
Awesome! Complex topics explained in fluent, elegant and engaging way!
@florinpandele5205
@florinpandele5205 22 күн бұрын
We are missing something fundamental about the universe - I would say that's more than obvious and an understatement considering just the theory of quantum physics: we can't really say what a particle really is, we can't say what an observation really is, but we do calculations based on statistics and play around with error margins and the results don't fit, when clearly the secrets of the universe hide in minute discrepancies. Just imagine how many things we miss because the measurements and the theoretical statistics calculations actually matched, even if the theory is probably wrong or off target.
@markmaloney8154
@markmaloney8154 22 күн бұрын
I'm impressed with your insight...
@MRm3th3ad
@MRm3th3ad 6 күн бұрын
The missed is right in front of our eyes and ears. Literally!
@RFC3514
@RFC3514 25 күн бұрын
It's a bit weird to see someone say quantum field theory is "the language with which we describe all particle physics" and, 20 seconds later, talk about something "producing a magnetic field". There is no such thing as "a" magnetic field, and nothing "produces" it. There is *the* magnetic field (which is always there - there being everywhere - it's an intrinsic property of the universe), and those phenomena simply _alter its value_ (locally). Describing those perturbations as the "creation" of a magnetic field is a bit like saying that throwing a stone into a still part of a large pool "creates" water. A lot of the difficulty people have with quantum field theory (which is actually quite intuitive) comes from the inadequate language used to describe it. Same goes for relativity. To quote Benjamin Lee Whorf, "language shapes the way we think, and determines what we can think about". We can't expect people to feel comfortable with relativity or quantum field theory if we keep describing them in terms of 300-year-old classical mechanics.
@DC_DC_DC_DC
@DC_DC_DC_DC 23 күн бұрын
Good reply. Can you recommend any videos explaining it in a fitting intuitive way?
@GoatOfTheWoods
@GoatOfTheWoods 21 күн бұрын
@@DC_DC_DC_DC Chat GPT. You can ask it to decribe it however you want.
@dannyfar7989
@dannyfar7989 21 күн бұрын
And it will, doesn't mean it will do so correctly though. Don't get me wrong, i appreciate what it can but it's no good for anything you won't gk and verify later, it's not reliable enough to learn something from it, it makes too many mistakes.
@GoatOfTheWoods
@GoatOfTheWoods 21 күн бұрын
@@dannyfar7989 just try it before writing here, and see.
@dannyfar7989
@dannyfar7989 16 күн бұрын
@@GoatOfTheWoods try what, Chat GPT? Did that, even got telling me it can't lie and the dmitting that it can lie and just did. It basically majorities to figure out what's true. We all know rhat the majority is often wrong. Even Chat GPT acknowledges that when write to it " rhis n such is not correcr please verify" it does so and apologizes. Don't get me wrong, I use it for lots of things, I still think it's a usefull tool but a tool that constantly makes Mistakes isn't to be trusted anymore than a human who does. It "knows" lots of things but it's not reliably correct.
@masonfarnsworth1801
@masonfarnsworth1801 15 күн бұрын
i couldn't have said it better myself. beautiful.
@AarreLisakki
@AarreLisakki 26 күн бұрын
I think we need more stories of all the boring anomalies. The diphoton excesses, Z prime boson 'detections', superluminal neutrinos, cosmic inflation 'discovery' by BICEP, DAMA dark matter 'detection', lepton flavor universality 'violation' by LEP etcetc, as I feel the people in the fields are far more skeptical of the anomaly du jour then the general public precisely because they've been around long enough and involved in the details of it to see so many potentially exiting things come and go.
@mikesmith2905
@mikesmith2905 26 күн бұрын
A talk outlining the basics of all these anomalies would be fascinating and entertaining but it might also provoke/inspire someone into thinking of an explanation or two. It is generally held that the day of the 'chap in the shed' is over but the building of Jodrell Bank telescope suggests otherwise (they did have the advantage of all that army surplus electronics that used to be on sale on Shudehill) and more recently the clockwork radio showed the benefits of giving someone a problem from outside their field.
@AarreLisakki
@AarreLisakki 26 күн бұрын
@@mikesmith2905 well, that is also a spin on it, agreed, though I was largely talking about past anomalies that are resolved, and that ended up having one of the boring explanations; statistical fluke, experimental error etc, to teach a bit of skepticism. ... though I guess DAMA still insists their measurement is correct ^^
@quantx6572
@quantx6572 27 күн бұрын
i finally understand that muon experiment. much appreciated.
@MadScientist267
@MadScientist267 27 күн бұрын
But ok electrons have "spin" but don't actually spin, muons are actually rotating wave functions?
@quantx6572
@quantx6572 26 күн бұрын
@@MadScientist267 from what i understand, The muon's wave function incorporates information about its intrinsic angular momentum (spin), but the wave function isn't actually rotating.
@joshuamccarroll2188
@joshuamccarroll2188 14 күн бұрын
i came across this on my feed when i was going to bed. That was an hour ago -Nice Video.
@rickitynick4463
@rickitynick4463 20 күн бұрын
Appreciate the updated picture of Neptune! Very much enjoy the presentation, thank you!
@mistymick4905
@mistymick4905 26 күн бұрын
That was a really interesting lecture. Worth a listen. Thanks to all concerned.❤
@davidandrews2883
@davidandrews2883 27 күн бұрын
Brilliant lecture. Thank you.
@BBQDad463
@BBQDad463 19 күн бұрын
Thank you for this video. It was truly an outstanding presentation.
@neondigital547
@neondigital547 17 күн бұрын
2015? You made an oopsie lol. Great video, Harry C. is a legend
@briangschaefer7048
@briangschaefer7048 14 күн бұрын
Brilliant video! Exceptionally well articulated and magnificently presented. Thank you Harry.
@maddi62
@maddi62 27 күн бұрын
Brilliant lecture. Thanks
@jimmcdowell4480
@jimmcdowell4480 11 күн бұрын
very well explained and illustrated ,there are so many new discoveries ahead of us
@pomodorino1766
@pomodorino1766 27 күн бұрын
This was really well presented! Thanks so much!
@rickbrummer3628
@rickbrummer3628 27 күн бұрын
This is so interesting
@spoofer44
@spoofer44 15 күн бұрын
Excellent lecture. Love that you explained that atoms aren't actually atoms, but simply vibrations in the medium in which we exist. Personally, I think atoms are knots in the strings that comprise our medium.
@hashem26962
@hashem26962 25 күн бұрын
Great speaker and scientist. I envy your students!
@jeffreymartin8448
@jeffreymartin8448 4 күн бұрын
Superb. That was really fun !
@TroyCenter
@TroyCenter 17 күн бұрын
Wow this was a fantastic talk. I know most and I was inspired to listen newly. ;). Great presenter.
@null4624
@null4624 12 күн бұрын
wish I had chance to attend any University with such subjects. Thankful that this is free to watch
@AnujFalcon
@AnujFalcon 10 күн бұрын
Crucial lecture to get an insight into the current situation with the SotA Physics models.
@donporter8432
@donporter8432 27 күн бұрын
Glued to the demonstration. Bravo!
@peterwassmuth4014
@peterwassmuth4014 15 сағат бұрын
Awesome Thank you for Sharing💫
@fcbrants
@fcbrants Күн бұрын
Click - Add to Cart :) Can't wait to read the book, thank you!!
@tatotato85
@tatotato85 27 күн бұрын
Great watch good stuff
@smeeself
@smeeself 27 күн бұрын
Excellent talk. Thank you. 👍😀
@KyleDownsFTW
@KyleDownsFTW 12 күн бұрын
That was a great listen. Thank you.
@0The0Web0
@0The0Web0 25 күн бұрын
Great lecture, the examples were well presented 👍
@avstud09
@avstud09 5 күн бұрын
Well done me lad! I didn't get lost once! good job!!!
@frogandspanner
@frogandspanner 21 күн бұрын
1:29 Note to 'Merkins: _transit_ means _passing across_ , not _public transport_ .
@anwaya
@anwaya 14 күн бұрын
At 5m17s: "In 2015, [Einstein] was putting the finishing touches to [the theory of] General Relativity". A theory so revolutionary he travelled back in time and got it published in 1915.
@stephenhooper7362
@stephenhooper7362 8 күн бұрын
Ha ha! I actually exclaimed, “WHAT?!” When I heard that gaffe.
@robertschlesinger1342
@robertschlesinger1342 17 күн бұрын
Excellent video. Very interesting, informative and worthwhile video.
@marktime9235
@marktime9235 20 күн бұрын
How's about a lecture on that minor anomaly that is "what is our universe expanding into?" ....
@garydecad6233
@garydecad6233 12 күн бұрын
Excellent presentation. Thanks!
@DouwedeJong
@DouwedeJong Күн бұрын
Thanks for making this video.
@DeneF
@DeneF 24 күн бұрын
I really enjoyed that. Many thanks.
@joseywales6168
@joseywales6168 15 күн бұрын
Wonderful overview of cosmology! With a bit of new info for me. Wish i could be working at a place that studies the universe
@adriendecroy7254
@adriendecroy7254 16 күн бұрын
Awesome lecture. Fascinating stuff.
@buckanderson3520
@buckanderson3520 24 күн бұрын
I think black holes drive the expansion of the universe so the Hubble constant could vary with the size of the black holes at the center of galaxies. It might be that black holes have no interior in the traditional sense because when a massive object collapses into a black hole it loses any space contained within it to it's exterior. The volume contained within something can only be calculated when the surface area is known. So what is the boundary of the universe but the space time boundary of a black hole. The space between black holes is expanding with the exception of those close enough to each other to be gravitationally bound. The further away the less gravity counters the force of expansion so the faster they receed. That's my theory anyway.
@En_theo
@En_theo 28 күн бұрын
It would be nice to talk about Eric Laithwaite and his gyroscopes experiments...
@mrhassell
@mrhassell 22 күн бұрын
Laithwaite was a keen entomologist and co-author of "The Dictionary of Butterflies and Moths" (1975). The "Father of Maglev", before the 2022 Nobel Prize in Physics had confirmed Quantum Entanglement, was real even.. A man ahead of his time.
@revmsj
@revmsj 13 күн бұрын
The greatest anomaly hinted at but not mentioned specifically as an anomaly in this video is that Einstein worked well into his 130’s and well past his death…😲
@juancarlossanchezveana1812
@juancarlossanchezveana1812 27 күн бұрын
Amazing
@Monsux
@Monsux 10 күн бұрын
Missed opportunity to say during the balloon demonstration. "Filling the balloon with time." The air in that demonstration is basically time.
@BIGGGY305
@BIGGGY305 27 күн бұрын
great talk!
@iindium49
@iindium49 12 күн бұрын
I have always viewed the quantum field as higher dimensional bleedthrough. The finger touching the paper universe etc.
@ACGreviews
@ACGreviews 14 күн бұрын
My god this was a good lecture
@Mkbshg8
@Mkbshg8 27 күн бұрын
Marvellous.
@AniMageNeBy
@AniMageNeBy 13 күн бұрын
Was pretty interesting, and the guy told it very eloquently.
@earlworley-bd6zy
@earlworley-bd6zy 12 күн бұрын
& well done Mr.Harry Cliff.
@robwrtwinchenbach6876
@robwrtwinchenbach6876 3 күн бұрын
Space oddities then I see it's 60 minutes and felt I may lose interest. I'm glad I chose to watch it. Felt like 10 min. Wonderful job thank you.
@clhoover4
@clhoover4 23 күн бұрын
Great talk!!
@D0S81
@D0S81 Күн бұрын
5:16 i love that Albert Einstein got to see the advent of smartphones.....in 2015
@kaikendall3
@kaikendall3 11 күн бұрын
If the universe's expansion is accelerating, one would think we're just falling back onto the original singularity. Go in a straight line far enough, end up at same point.
@suffering4art
@suffering4art 19 күн бұрын
A really interesting lecture, that only serves to confirm to me that the only answer to the expanding universe is the 'boring' solution: 'tired light'! If the universe is stationary, infinite and populated with galaxies, and photons lose energy (through quantum effects of dark matter etc) on their way towards us, that explains the observed increasing redshift. The Hubble constant anomaly and the varying microwave background radiation is then simply due to the radiation reaching us from slightly non-homogeneous areas of the more distant invisible universe. Obviously James Webb seeing mature distant galaxies also ties in with this, as does Einstein not needing a fiddle factor to stop the universe collapsing, as well as the current work at Lancaster University that is mapping impossibly large structures in the visible universe that are incompatible with its believed age. Obviously all our current redshift measurements within the universe are still valid regardless of its cause. So I'd love someone to be able to persuade me that the simple 'boring' explanation of light losing energy as it travels towards us is wrong. As the more I read the more I can't believe that the current theories can be the true answer!
@donporter8432
@donporter8432 27 күн бұрын
Thanks!
@mrhassell
@mrhassell 22 күн бұрын
lol that's funny
@dianereynoldson7785
@dianereynoldson7785 24 күн бұрын
Nice and sincere. Don't make people feel like fools, it's alienating, distressing.
@hudatolah
@hudatolah 12 күн бұрын
he said: If I allow the balloon to continue to inflate, I'll have a big bang. Maybe that's what the big bang is. A larger component that shattered at its edges and one of the tears have created our universe in a big bang with enough energy to last for this versum.
@krazedkanuckracing
@krazedkanuckracing 14 күн бұрын
It still staggers my mind when 95% of the mass of the universe is not known. The standard model has to be incomplete. Cosmology seems pretty thin today. I’ll drop by in another 20 years and see how you’re doing.
@davidfisher9251
@davidfisher9251 13 күн бұрын
Whatever else you can say about this guy is: he spoke about this extemporaneously with no notes for several hours. Geesh !!! Or, holy cow. Not only that, but I had glimmers of understanding him.
@WILLIAMMALO-kv5gz
@WILLIAMMALO-kv5gz 21 күн бұрын
Thanks for a very helpful video and all the technical detail. I was just wondering today in a nap, how far is Andromeda from here. The answer was 1bl light years. Now I know its only one million light years. My other consciousness sometimes gets its guestimates wrong.
@halweilbrenner9926
@halweilbrenner9926 9 күн бұрын
Mathematical theoretical experimental data. Searching for the unknown & mysterious. Admire that you qualify the interpretation of observations, calculations in math, theoretical explanations & the acknowledgment of the yet undiscoved factors.
@NYCFreed1
@NYCFreed1 10 күн бұрын
Love the lecture. Will have to read the book. Thank you for this content! I loved the physical elements and animations you brought. If you enjoyed this talk you will enjoy "Did the James Webb Space Telescope Change Astrophysics? | 2024 Isaac Asimov Memorial Debate" a panel hosted by Neil Degrasse Tyson posted on the American Museum of Natural History YT channel.
@75ur15
@75ur15 15 күн бұрын
@37:00 Better example is showing a picture of random dots.....amd one 10% bigger, overlayed with different dots chosen as the "middle" Can show the increased expansion rate eaiser and the fact that it is true everywhere
@GlassEyedDetectives
@GlassEyedDetectives 25 күн бұрын
Thought provoking presentation, thank you. With regard to Dark Energy/Dark Matter?, ...i sense neither are actually dark but rather, it is theoretical physics that is actually in the dark!
@AntonTsoi-rd8yr
@AntonTsoi-rd8yr 9 күн бұрын
The oddities that surface in the universe, like venus's reverse orbit, are representative of equations that cannot be mathematically construed because of the component of intelligence and purpose that cannot be quantified. For the most part we are just tapping ourselves on our scientific shoulders with vanity and expanding assumptions and folly.
@LG-qz8om
@LG-qz8om 24 күн бұрын
I remember pointing out to someone that the particles in and out for a particular Cern Experiment weren't how they were interpretating it. For instance, all measurement of a Neutrino is done by measuring everything else and whatever can't be accounted for is attributed to the Neutrino. In this patricular case what was observed were high speed particles in and other particles out at unexpected angles. I happened to point out that the combination in could also result in the collision which output the muon, and the missing energy was actually attributable to the increase in mass called the muon and not they fabian neutrino. Even the impact angles were quite precise. It could be attributed to the energy conversion and the increased mass ejected which we call the muon. Of course this goes against tradition but ive never held tradition as senior to truth. Ultimately it is Einstein's own equation (E = MC^2) which suggests matter can convert to energy as well as energy can convert to matter. Which itself should be enough to unify Einsteinian Physics with Quantum Physics (without the need for complexities such as String Theory). Of course what it suggests is quite a bit more than I have let on here. I'll leave that for you to deduce and give you something to think about.
@sarcasmo57
@sarcasmo57 24 күн бұрын
Very interesting.
@Astraeus..
@Astraeus.. 23 күн бұрын
Imagine how utterly humbling it would be to actually, provably discover that the universe is expanding at an accelerating rate, only to realize Einstein basically had it figured out decades earlier because that was the only thing that would allow the rest of his calculations to actually work...
@RFC3514
@RFC3514 23 күн бұрын
He _hadn't_ figured it out, though. He was just trying to solve a mathematical problem, he never considered that it was an actual thing.
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