Dr. Lincoln is the physics professor everyone wish they had.

I’ve been listening to your lectures for years. I’m now 77 years old and I find I enjoy listening to you just as much as I did in the beginning, which shows that you must be doing something right. Physics IS everything!

I have recently watched Sabine’s video on why she was disappointed with particle physics, and this is the most inspiring and thought provoking answer I have ever seen. Thank you for you work and dedication!

Loved this pause to revisit the core driving force behind so much research: _Curiosity._ Great video as always!

I think that if I had seen this simple, direct overview when I was young I would have gone into physics!

Another informative & thought provoking video from Dr. Don & Fermilab! 👍👍👏👏

A new Fermilab video with Dr Don lifts my morning! Clarity and a warm voice - and still rocking the look! Thanks Dr Don and Ian.

I like this guy. It's refreshing to see Dr. Don describing where we are at with physics in a realistic and balanced way. Humility and open mind instead of being smug and arrogant. This is what we need to find more truth/facts.

I appreciate all the scientific speakers I've stumbled across. I'm especially grateful when those channels try to tackle deep mysteries of the universe, as science should, rather than tackle other scientists. I've watched dozens of Don's videos, but the production of this one in particular was a class act. I'm subscribing to catch these more often!

I'm learning how to write cuneiform on clay tablets, and I'm very surprised to see one of those tablets in the very thumbnail of a new video by my favourite Physics KZfaq channel! Great video as always, Don!

Happy to have stumbled across this channel! Thanks for the great video.

9:49 I'm afraid it's not Koshiba or Kajita...

Dr Lincoln, it's great to hear your words on this. You probably know that one of our physics colleagues, Sabine Hossenfelder, has a public and somewhat negative stance on the current way particle physics works. In my humble opinion, she is being biased , but who am I to say. And that is exactly why you should invite her for a debate 😊 If nothing else, it would be entertaining and informative.

Great video! I appreciate the explanations of the current work being done and the questions said work are trying to answer.

In a world that thinks it knows everything, it was great to hear a list of the unanswered questions that remain. Time is such a basic building block, but it might be more complicated than we assume.

What I like about science, is that the answer to a question often leads to many others. Somehow it's totally inefficient, like art, poetry, ... and that's really cool! I wondered if a voluntary and kind of "applied science" oriented approach (P5) is really a positive thing, many discoveries having been made through unconventional methods and serendipity! What an astonishment all of this would be, for some of the physicists of the late 19th century, who had foreseen the "end of physics"!

It's true, the delivery of information can awaken higher cognitive understanding when the style of the message and information is given in a way that recognizes everyone's ability to think. What a wonderful way to approach these incredible concepts. Thank you for your open and sincere clarity. I wish you were my graduate professor. Sub'd and thumbs up!

Once again, your videos are just excellent. Thank you.

Thank you Don. Another thought provoking video.

Always interesting videos, Dr Lincoln!

Take a bow Don. Exceptional video 👏🏼👏🏼👏🏼

Great video, Dr. Don! As you say it is important to step back to see the bigger picture. It does not look like there has been much progress in high energy physics unless you take the long and broad view! The reality is that it is interdisciplinary and advances are spun out all the time without the general public seeing or understanding them.

I love you sr! Thanx for everything that you do to answer the questions.

Physics is magical and Dr Lincoln is a magician at helping me to a deeper understanding of reality.

Thank you for a truly, level headed video. Bravo.

Absolutely fantastic! Thank you!

You should not forget one important reason why this high end research is important: It gives the best heads of the whole world countless opportunities to really push their theoretical and practical abilities to the absolute possible limits of today's best technical and mathematical achievements and beyond. So in stunning groups of young and also experienced scientists everybody learns from each other and from experiment controlled either by mathematical proof or by experimental data (never by just a selfish boss). There is no better motivation to learn than this. Eventually many of these experts leave university and hire jobs in the free market. And here they are very successful because they have been trained to solve the most difficult problems. So science also is a giant school for experts! And that's an enormous and not payable benefit for society in general. Every cent spent on science comes back hundredfold by this "educational mechanism".

Fantastic video. I'm going to use your simple explanation of how scientific theories are created. Your comparison between the theorizing and experimentation was so clear and concise, I must share it! To add: this is a great video for high school physics (or introductory science) teachers to show to their students. Without too much detail it highlights the knowledge-seeking aspects of science which are applicable regardless of discipline. It also encourages thinking and asking new questions.

Sabine Hossenfelder is one of those who has spoken out against building new particle accelerators. I would love a discussion between Dr Lincoln and Dr Hossenfelder about this. Not a debate, a discussion.

Excellent as usual, Don Keep it up.

Love you videos!! Thank you Dr. Don. You are a reason to not mind paying taxes!

Wow, that was one of your best. Would like to see this in 20 years and have some answers

More specifically dealing with proton decay, some ideas that theorists have have some flexibility to them. Grand Unified Theories (which is where the idea of proton decay comes from) and supersymmetry are two prominent examples. Both have appealing theoretical ideas, which lead to reformulations which are compatible with the negative experimental results.

Stand further away from the green screen, and/or add more side lights. There's visible green hue on the sides of your head.

And thanks for all the wonderful videos. They helped a lot in getting through some of those dark uncertain days of the pandemic.

Great video, as always! I'm just sad that was no word about the collapse of the wavefunction!

What a great video. Well done.

Thanks for the video and for sharing the enthusiasm and intellectual brilliance of the many who are engaged in these research projects. The only bad vibe came up with the mention of P5. Not wanting to disparage anyone or their efforts, the reality of human relations is that power is as important, perhaps even more so, than the search for truth and doing the right thing. For a group to decide which projects are worthy and thereby influence the granting of funds is scary. But then, that goes on anyways.

Love your work. Your my favorite modern physics. Your on the level of Einstein. Your a unsung hero.

Another great video!

Is it just me, or has anyone else noticed that no ads are run on this channel? I’m certain it’s not that they don’t meet the criteria. Perhaps they don’t run ads due to it being part of the government.

Epic opening and closing cards! Also, I recall Hossenfelder making a stand opposed to the moving goal post phenomenon. Her thinking was that it was bad for science long-term. Unsure whether I would agree.

I wonder if somehow gravitational waves are able to combine or strengthen in certain situations that cause increased gravity in areas we don't expect because we are still learning how it all works. I just wonder if we end up with the universe being overall simple (once we understand things more) or complicated beyond our imagination..... Probably both. Great video! Thank you for doing what you do! 🍻🌎❤️🌮🎶🚀

"Electromagnetic Fields and Waves" by Lorrain & Corson (2nd Edition) contains two problems relating Electrodynamics and Cosmology. Problem 4-22 starts with: "In 1959 Lyttelton and Bondi [Proc. Roy. Soc. (London) A, vol. 232, p.313] suggested that the expansion of the Universe could be explained on the basis of Newtonian Mechanics if matter contained a [tiny] net electric charge." A follow-on problem, Problem 10-11, mentions that correction terms to curlB and divE due to the creation of this charge should be on the order of R^-2 where R is on the order of the radius of the Universe, so that the new terms would be negligible at all length scales but cosmological situations. This hypothesis is consistent with the linear velocity-distance observations. Rather thought-provoking questions from an Undergraduate E&M textbook!

Massive respect to all the scientists driving this sort of thing

Most groovy shirt, Herr Doktor. Is the tune associated with said shirt “More Than A Feeling About Mass-Energy Equivalence?” Qapla’!

Outstanding, Intriguing.

There's a little bit of the suggestion that the remaining questions are finite, and we just need to derive the right test. Just from a layperson's perspective, we have no idea what our vantage point on reality really is. We're only going to be able to observe downwards and outwards to an extent before there's nothing that can be built to go further and we may never be able peek outside of whatever expresses our 3 dimensional world and I'm not sure we could comprehend what we'd find anyway.

Excellent summary of the current situation in Physics. I think that almost the last thing you said about the importance of small experiments should inform decisions that are going to be made in the near future. The justification for another, even more powerful, collider is questionable at best. The staggering amount of money that this would cost, with absolutely no guarantee of any worthwhile results, precludes this approach, IMO. If the billions spent offer nothing new - a very real possibility, this would have a devastating effect on the perception of physics and make it nigh impossible for funding to be obtained for other projects.

this video is so much more than just particle physics, it is all physics, all science

0:00: 🔍 Scientists are always looking for better equipment and experiments to answer big questions. 3:25: 🔬 Advancements in particle physics have led to a better understanding of the subatomic realm. 7:01: 🔬 The Fermilab research program is upgrading their particle accelerator complex and developing new particle detectors to address unanswered questions in the standard model and explore historical trends in physics. 10:26: 🔬 Dark matter remains a mystery, and particle accelerators are crucial for physics research. 13:45: 🔬 Scientists are evaluating ideas for future projects and conducting research to answer fundamental questions about the universe. Recap by Tammy AI

Very carefully.

There's a drive to understand the world around us. Some people want to guard against it; usually because in order to grab power, they came up with fantasies about how the world should work in their mind. Anyone putting lie to their words they view as a danger. If you love your freedom, it's science that helped getting the oppressors out of your hairs. I don't expect protons to decay; however, I'd love to encourage people to keep looking. Never know what else turns up. As for unification, I think we need a better idea of spacetime to embed quantum mechanics in for something else.