Hey Bill Nye! Is Time Real?
Time is this wild fourth dimension in nature, says Bill Nye. We depend on its neat measurements for survival – but subjectively it continues to elude us.
Bill Nye, scientist, engineer, comedian, author, and inventor, is a man with a mission: to help foster a scientifically literate society, to help people everywhere understand and appreciate the science that makes our world work. Making science entertaining and accessible is something Bill has been doing most of his life.
In Seattle Nye began to combine his love of science with his flair for comedy, when he won the Steve Martin look-alike contest and developed dual careers as an engineer by day and a stand-up comic by night. Nye then quit his day engineering day job and made the transition to a night job as a comedy writer and performer on Seattle’s home-grown ensemble comedy show “Almost Live.” This is where “Bill Nye the Science Guy®” was born. The show appeared before Saturday Night Live and later on Comedy Central, originating at KING-TV, Seattle’s NBC affiliate.
While working on the Science Guy show, Nye won seven national Emmy Awards for writing, performing, and producing. The show won 18 Emmys in five years. In between creating the shows, he wrote five children’s books about science, including his latest title, “Bill Nye’s Great Big Book of Tiny Germs.”
Nye is the host of three currently-running television series. “The 100 Greatest Discoveries” airs on the Science Channel. “The Eyes of Nye” airs on PBS stations across the country.
Bill’s latest project is hosting a show on Planet Green called “Stuff Happens.” It’s about environmentally responsible choices that consumers can make as they go about their day and their shopping. Also, you’ll see Nye in his good-natured rivalry with his neighbor Ed Begley. They compete to see who can save the most energy and produce the smallest carbon footprint. Nye has 4,000 watts of solar power and a solar-boosted hot water system. There’s also the low water use garden and underground watering system. It’s fun for him; he’s an engineer with an energy conservation hobby.
Nye is currently the Executive Director of The Planetary Society, the world’s largest space interest organization.
Alicia: Do you think time is real? For example, sometimes an hour can feel very short and sometimes it can feel very long depending on your perception. So then is time subjective? If it's a measurement of something what is it a measurement of? I'd really like to know your thoughts about time. Thank you.
Bill Nye: Alicia, that is fantastic. Notice that in English we don't have any other word for time except time. It's unique. It's this wild fourth dimension in nature. This is one dimension, this is one detention, this is one dimension and time is the fourth dimension. And we call it the fourth dimension not just in theoretical physics but in engineering. I worked on four dimensional auto pilots so you tell where you want to go and what altitude it is above sea level and then when you want to get there. Like you can't get there at any time. We have a whole bunch of other words. We have appointments. We have morning, afternoon, evening, noon time. We have a whole bunch of words describing periods of time, but when it comes to actual time we just have this one word it's a strange and surprising thing.
So along this line, in my opinion, which as you know is correct, I'm kidding, in my opinion time is both subjective and objective. What we do in science and engineering and in life, astronomy, is measure time as carefully as we can because it's so important to our every day world. You go to plant crops you want to know when to plant of them. You want to know when to harvest them. If you want to have a global positioning system that enables you to determine which side of the street you're on from your phone you need to take into account both the traditional passage of time that you might be familiar with watching a clock here on the earth's surface and the passage of time as it's affected by the speed of the spacecraft and the passage of time as it's affected by the gravity of the earth itself, both special and general relativity. It's astonishing.
So, we work very hard to measure time with all sorts of extraordinary clocks, but there is no question with our brains, which are wet chemical computers, we lose track of time. Sometimes it feels short, sometimes it feels long and it's just the nature I think of being constrained by measuring time with our brains. This is why we build instruments to measure time outside of ourselves externally. But it is a great question. And then the whole idea of science really started with this thing people used to call natural philosophy. And when you throw in the word philosophy for me you start asking this question like can you know anything, let alone what time it is or how long it's been since something happened or when something will happen in the future or whether or not it will happen at all, these are philosophical questions. I feel that you can get yourself pretty spun up in saying to yourself there's no way to know anything. Philosophically you can't know anything. On the other hand, it seems to me we can know a great deal objectively about nature and that includes time and it's passage.
One last thought Alicia, when I think about my grandfather he had no idea, no understanding of relativity. Not because he was a bad person, because no one had discovered it yet. And so I just wonder what else it is about the nature of time or the nature of what physicists, astrophysicists like to call space time where you talk about these four dimensions at once X, Y, Z, and T. I cannot help but wonder there is something else undiscovered about time and perhaps you and I will be alive, not much more time will have passed before this discovery is made. Carry on. Excellent question. Thank you.
Our brains are terrible clocks. An hour can pass like a few minutes, a day can drag on for what seems like two. Because of that, we’re not always sure that time is real – is it just a label we’ve stuck onto the observed patterns of our universe? We can’t see, feel, or hear time, we can only see its effect on us and on things over the course of our lives. Bill Nye believes its both subjective and objective – there is something definitively measurable to time, and yet it’s so mysterious to our brains. Nye thinks (or hopes) that in his lifetime, a new discovery will be made about the nature of time and space-time that gives us some more answers about this curiosity-inducing fourth dimension. Bill Nye's most recent book is Unstoppable: Harnessing Science to Change the World.
Bill Nye's most recent book is Unstoppable: Harnessing Science to Change the World.
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