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Joe Rogan Experience #1159 - Neil deGrasse Tyson

Neil deGrasse Tyson is an astrophysicist, cosmologist, author, and science communicator.

Joe RoganhostNeil deGrasse Tysonguest
Aug 23, 20183h 21mWatch on YouTube ↗

EVERY SPOKEN WORD

  1. 0:0015:00

    So, why aren't there…

    1. JR

      So, why aren't there flying cars?

    2. NT

      (laughs)

    3. JR

      (laughs)

    4. NT

      You're just jumping right in. You don't say hi. You don't say-

    5. JR

      I said hi already.

    6. NT

      ... how's the wife and k- how's the wife and kids? (laughs)

    7. JR

      How is everybody, man? How's life? How's your book? It's been on the Times bestseller list for how many weeks?

    8. NT

      Oh, the, the Astrophysics for People in a Hurry. That's been on the, on the New York Times bestseller list for 67 weeks.

    9. JR

      That's pretty intense.

    10. NT

      It's cra- that's, that's a lot for any book, much less for a science book. And so, that tells me, while all these Trump books are wafting in and out, this is bobbing like a cork, like a cork on the ocean waves as the book of the moment th- that either praises Trump or criticizes, or criticizes him come in and off of that list.

    11. JR

      Mm.

    12. NT

      So this tells me that there is this unserved hunger that people have. There's a curiosity that this is serving. And it's (laughs) to, Astrophysics for People in a Hurry, that's kind of a, that's very purposefully juxtaposed. It's like, Neurosurgery in Four Easy Steps. You know, if you saw a book with that title, you'd have to pick it up.

    13. JR

      (laughs)

    14. NT

      (laughs) 'Cause you'd wonder what's going on.

    15. JR

      Well, not to kiss your ass again, but I always say this about you and I think it's important. You make learning stuff about astrophysics fun. And that's what's missing, you know. It's not that people don't like to be educated, that they don't like to learn. They just don't wanna be bored.

    16. NT

      That's a perceptive point because, you know, think of the image we have of, let's say you're in a school where most people don't go to college, uh, you're in high school. And then last day of school comes. What do people do? They toss their papers in the air as they run down the steps, "School's out. No." What, what's the Rock song?

    17. JR

      (sings) School's out for summer.

    18. NT

      (sings) School's out for...

    19. JR

      Summer.

    20. NT

      ... at summer. Was it forever?

    21. JR

      And then ever. Ever, yeah.

    22. NT

      Then forever.

    23. JR

      Ever, yeah.

    24. NT

      Right? So that attitude must mean the school didn't train you to embrace curiosity.

    25. JR

      Right.

    26. NT

      That learning was a chore, and now the chores are over.

    27. JR

      Yeah.

    28. NT

      So I think the educational system needs an adjustment. Forget whether or not you go to college, 'cause you're gonna spend more years not in school than in school even if you do go to college. What you want, I think, are lifelong learners, lifelong curiosity.

    29. JR

      Yes.

    30. NT

      Where once you are trained and, and, and, and, and your curiosity is stimulated, the curiosity we all had as children. You're ... Children don't need to be taught to be curious. They are curious to the point of destruction of whatever it is they touch. "Oh, what is this egg on the counter? What is this glass? What is this plate? What's under a rock? What happens if I pull a leg off a daddy longleg?" You know, they are-

  2. 15:0030:00

    Yeah. And I'm delighted…

    1. JR

      an appetite for this stuff out there.

    2. NT

      Yeah. And I'm delighted to be a servant of that curiosity. And, um, uh, this, I, I brought this just 'cause ... It's not even out yet. This ... You're airing like now live? This is it? You're live?

    3. JR

      We're live.

    4. NT

      You are live. Okay, so this-

    5. JR

      There's like a five-second delay or something.

    6. NT

      (laughs) Five second ... Is that to bleep all my expletives? (laughs)

    7. JR

      'Cause the ... Just internet ... No, no, no, no, no, no. What is this Accessory to War?

    8. NT

      Oh, this, this is like another book. I just... This is coming out in three weeks.

    9. JR

      Is this about space war?

    10. NT

      Accessory to War: The Unspoken Alliance Between Astrophysics and the Military.

    11. JR

      Oh.

    12. NT

      Yeah, so, so this other book was Astrophysics for People in a Hurry. If you're in a hurry, do not buy this book. (laughs)

    13. JR

      (laughs)

    14. NT

      This is not for people in a hurry. This is not, this is not what... This is not an impulse item at the checkout line. This is y- you got ... This is, this is all about ... By the way, we know what role the physicist plays in war. The physicist makes the bomb.

    15. JR

      Mm-hmm.

    16. NT

      Invents the bomb. The chemist perfects napalm. The biologist weaponizes anthrax. And the astrophysicist, well, we sit at the end of a telescope and wait for photons to cross the universe and enter our detector, and we go into conferences and argue about them. So there is no obvious connection between what we do and military strength, hegemony, uh, dominance, empire building. It's just not obvious. That's why the subtitle, The Unspoken Alliance. It's not a secret, it's just, it's not there. It's there, but it's not ... Nobody's talking about it. Do you realize ... I- I'll just give an example, okay? If you needed more reasons to think that Columbus was a dick (laughs) , okay?

    17. JR

      (laughs)

    18. NT

      Let me add one to it, okay?

    19. JR

      There's a difference between when we were kids and today.

    20. NT

      (laughs) Yeah, I know, I know, but actually I- I do have something s- mildly redeeming to offer about Columbus if you have the time.

    21. JR

      Oh, yeah.

    22. NT

      I just wanna ...

    23. JR

      Okay.

    24. NT

      Okay.

    25. JR

      We'll start off with that.

    26. NT

      You want me to start off with that?

    27. JR

      What do ... How do you want to do it? You want to go-

    28. NT

      No, no, I'll do the dick part and then-

    29. JR

      Do, let's do a dick part first.

    30. NT

      Okay. So on his third voyage, he's in... B- by the time of his third voyage, he had already planted enough Spanish flags that Spain had already begun to set up governments and infrastructures in these places that he had d- uh, um ...

  3. 30:0045:00

    That would be ideal,…

    1. NT

      You said, "Oh, I can plug it in. This is great." You're not even thinking what you need. So yes, there are all of these applications, but, but I don't th- That's a good reason to do it, but I don't think it's the best re- The best reasons are, my gosh, don't you wanna keep dreaming? Don't you wanna keep looking into the future?

    2. JR

      That would be ideal, but that's not attractive to people that are spending tax dollars. When it comes to tax dollars, people get super pragmatic and they go, "Why do we need to go to Mars? No, what we need to do is take care of this and pay for that, and w- with the deficit and the budget, and..."

    3. NT

      You know, so, you know, NASA's budget today is 4/10 of 1% of the federal budget. So if you take a dollar-

    4. JR

      4/10 of 1%?

    5. NT

      I, I, I will quantify it for you. Take, take a, a, a dollar bill and imagine that's your tax dollar, and you can like cut it to whatever percent you want. So let's cut 4/10 of 1% off of the edge.That doesn't get you into the ink. You're still in the-

    6. JR

      The white area.

    7. NT

      ... the white border around it.

    8. JR

      Yeah.

    9. NT

      Right?

    10. JR

      No one would even notice-

    11. NT

      You wouldn't e-

    12. JR

      ... they took that dollar.

    13. NT

      (laughs) You wouldn't, you could trim that off the dollar-

    14. JR

      And pay for anything.

    15. NT

      ... and pay for... So my point is, most of the people who say, "Don't spend it here, spend it there," they think NASA has more budget than it actually does.

    16. JR

      Hmm.

    17. NT

      They just, they, they're... If you ask them, "How much do you think you're getting?" "Oh, 10%, 5%." You know, "Several percent." No, it's one half of 1%. So if you're gonna tell me that if you can take that four tenths of 1% and spend it in these other problems and solve them, I would say, "Yeah, go right ahead." But is this, is this where you really wanna pull the money from? When it's the only thing that has us thinking about tomorrow, that has us thinking about a future.

    18. JR

      Well, for a guy like you, that's super important. But for a guy who lives in Cleveland, who doesn't give a shit about science-

    19. NT

      Oh, oh, excuse me, that's like the person who says, "Okay, I don't need the space program. Uh, why do I need the space program? I have my cell phone-"

    20. JR

      (laughs)

    21. NT

      "... and I have The Weather Channel and I'd know anything I need." (laughs) You know, this is... (laughs)

    22. JR

      Yeah.

    23. NT

      You're using GPS satellites to understand where you are on this earth, to, to understand where grandma's house is-

    24. JR

      Do you know who created it?

    25. NT

      ... when you pull up the... Who created what?

    26. JR

      Who created spread spectrum technology that led to GPS and wifi?

    27. NT

      Uh, who is that?

    28. JR

      Hedy Lamarr.

    29. NT

      Oh, I did know that! Yes.

    30. JR

      Beautiful actress.

  4. 45:001:00:00

    Oh. …

    1. JR

      was a woman in India, and it's really a highly criticized case, but she was convicted of a crime, I believe it was murder, because she had functional knowledge of the crime scene. And the arguments against it were like-

    2. NT

      Oh.

    3. JR

      ... if you're gonna be accused of a crime, clearly you're gonna study the evidence, you're gonna talk to a lawyer, you're gonna go over some things, you're gonna be-

    4. NT

      I don't know if fMRI is that precise.

    5. JR

      Yeah, they don't think it is.

    6. NT

      That's, yeah.

    7. JR

      That's why it was very disturbing that this was used in court. It's like, do you remember when these Italian, um, uh, geologists were, I think they were tried because they should have known about an earthquake before it happened. And then scientists had to say, "Hey guys, this is not how it works."

    8. NT

      Yeah, yeah, yeah.

    9. JR

      Like, this shit can just happen.

    10. NT

      Yeah. That's so, I think-

    11. JR

      Do you remember that?

    12. NT

      No, I don't, but that's, uh, what I do know, let, let me share a couple of things with you that I've thought deeply about recently. There are three kinds of truths in the world.

    13. JR

      Oh.

    14. NT

      Okay? Because we're in like a-

    15. JR

      Three?

    16. NT

      Let me give, I'll give you three. Okay?

    17. JR

      The Rudy Giuliani kind?

    18. NT

      Yeah, well... (laughs)

    19. JR

      Because-

    20. NT

      Okay, so you ready?

    21. JR

      ... apparently true isn't always true.

    22. NT

      I know. So let me try to-

    23. JR

      Okay.

    24. NT

      ... unpack that.

    25. JR

      Okay.

    26. NT

      All right, you ready? Okay.

    27. JR

      Alternative facts?

    28. NT

      I, there's something called an objective truth. An objective truth is something that is true whether or not you believe in it, and the methods and tools of science are uniquely conceived to seek out and establish objective truths. And this, I'm in, referring to the invocation of the scientific method. No one scientific result, result, research result is true until it is verified by other peoples' research results using a different experimental method, with different wall current from another country. W- when your competitor says, "I think you're wrong, let me show how you're wrong." And they re- reproduce your experiment and get the same result. When you have generally the same results emerging, that is a newly discovered objective truth about the natural world. And when you have objective truths, they're not later shown to be false.

    29. JR

      Hmm.

    30. NT

      That's an objective truth. Then you have personal truths. These are truths that you hold dearly. Jesus is your savior, Mohammed is the final prophet on Earth. You, you know, uh, Abraham is your, th- these are your personal truths. There's a heaven you're going to. No one is gonna take that from you, not in a free country where freedom of expression and speech and religion is protected.

  5. 1:00:001:15:00

    Wow. …

    1. NT

      there it is. So in A Seseri to War where we go back many centuries, the editor said, "Well, we should use BCE 'cause that's a liberal forward thing." I said, "I am not using BCE-"

    2. JR

      Wow.

    3. NT

      "... and CE." Get... And by the way, there, there was no year zero. You know why-

    4. JR

      Hm?

    5. NT

      ... there's no year zero? 'Cause the Romans came up with the calendar and they counted using Roman numerals and Roman numerals don't have a zero.

    6. JR

      Ooh.

    7. NT

      It was not yet invented.

    8. JR

      They didn't have a zero?

    9. NT

      No! No! So it went from 1 BC to AD 1.

    10. JR

      Jesus Christ.

    11. NT

      BC is Before Christ, AD is Anno Domini in Latin, the year of our Lord.

    12. JR

      Wow.

    13. NT

      Yeah. Now of course in, in, in Islam and in China and in, uh, um, in Hebrew cultures, uh, Israel in particular, they have access to the Chinese calendar, the Muslim calendar. Muslim, of course, dates to Mohammed. Chinese calendar dates to actually a planetary alignment i- in 4700 BC.

    14. JR

      Yeah, they don't... They use a different system, right?

    15. NT

      They use a different system, that's right. And the, uh, Hebrew calendar dates to, like, the beginning of the universe as interpreted in the, in the Torah. So they have access to those, but when they're conducting international business, we just simply use the Gregorian calendar. Just get over it. Move on.

    16. JR

      But did they use it, in China, did they use it constantly and consistently or do they alternate between the Gregorian calendar and something else?

    17. NT

      I- I- I'm not a Chinese expert, but from what I know of China and my friends and colleagues, ev- for c- conducting business, the world's business is conducted in, on the Gregorian calendar, with a 12-month calendar, with a, uh, with the year as referenced by everybody else.

    18. JR

      And does it have to be done that way in terms of, like, is there... Has anyone ever done a study on-... possibly creating a more effective-

    19. NT

      (laughs)

    20. JR

      ... more accurate calendar that doesn't invoke leap years and-

    21. NT

      Uh, the problem is the length of the day does not cut evenly to the time it takes Earth to go around the sun. So there will always be fractions of days that you're accumulating.

    22. JR

      Right.

    23. NT

      And now what do you do with them? You wait til you accumulate a day and you put it in or take it out.

    24. JR

      What did the Mayans have?

    25. NT

      The, theirs, theirs, theirs-

    26. JR

      They had a lunar cycle calendar, right?

    27. NT

      The, the, it was, they had a, a calendar based on Venus.

    28. JR

      Mm-hmm.

    29. NT

      And so, yeah, they had a really good calendar.

    30. JR

      Yeah, it was a 13 lunar cycle-

  6. 1:15:001:17:43

    Oh, there... So what,…

    1. JR

      end."

    2. NT

      Oh, there... So what, so every decade, there's somebody predicting the end of the world.

    3. JR

      Sure.

    4. NT

      And I, I'm actually quite entertained by this exercise.

    5. JR

      Do you remember when they, they had billboards all around LA-

    6. NT

      Yes.

    7. JR

      ... just a few years ago?

    8. NT

      Well, no, that, that's a different end of the world.

    9. JR

      Oh, it's a different one.

    10. NT

      That's, that's a guy with a radio podcast church that he-

    11. JR

      Oh.

    12. NT

      Yeah. And then the other world didn't come and so he pushed it forward. So that's, it's entertaining. We live in a free country. It's evidence that we live in a, a, a free country where freedom of speech is protected and you can practice any religion you want.

    13. JR

      Right.

    14. NT

      That's... And, uh, they didn't learn much science in school.

    15. JR

      That's a part of it.

    16. NT

      That's part of the fact that you have this in our world. I don't mind it, actually. It's f- I, I find it entertaining. But it becomes an issue if people such as that gain power over legislation, over the rest of us 'cause this would b- c- count this as a personal belief. It's your personal belief the world is gonna end on October 19th, uh, in the, uh, that's your personal... You, you're... Fine.

    17. JR

      Right. You believe that.

    18. NT

      But if you now create laws that require I go with that, you just imposed your personal belief on me. And your personal belief is not true for everyone, it's only true for you.

    19. JR

      Yeah, that's a problem, right?

    20. NT

      And an objective truth is true for everyone. So if you're gonna have, if you're gonna have governance, you're gonna wanna base governance on what is objectively true 'cause it would apply to everyone, independent of your belief system.

    21. JR

      Hmm. Yeah. I agree with that.

    22. NT

      And by the way, there're, there're, there're, there're, there are things that we're not sure are true yet, that we're still researching. That's not what I'm talking about as an, as an objective truth. Objective truth have been verified by multiple scientific studies, not just one study. This was the problem with the, the cholesterol study. There's a cholesterol study that set everybody on the course to drop their cholesterol levels. Okay? Saying it would be good for your heart and all the rest of this, because a series of countries were studied where they have longevity and low heart, low heart disease and low cholesterol intake. That study happened to leave out France. It happened... It just wasn't in the study and a couple of other places that have high cholesterol intake, but don't have higher heart disease. So that study was flawed, but it was hard to replicate it because it went over many years and it was thousands of people and so everyone just jumped on it. You don't have a scientific truth... And this, this is a general problem with medical results 'cause the press is waiting at the, at the, at the journal editor's office, "Oh, uh, here's a new study that shows that this gives you cancer. Oh, that must be true." And out comes the headline 'cause you wanna be the first to report it.

Episode duration: 3:21:08

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