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207,994 Views • Jul 19, 2022 • Click to toggle off description
What makes white noise? We explore high energy versus low energy sound and the frequencies that contribute to white noise. Do kids these days even know anything about TV static? We go back to the days of TV antenna and back even farther to the age of Isaac Newton. When did we first start to figure out frequency and the electromagnetic spectrum? Where did we get ROYGBIV from? What is black noise? Finally, how are white light and white noise related?
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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!
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0:00 - Introduction
1:29 - White Noise
2:24 - Television Static
3:51 - Isaac Newton’s Light Experiment
6:29 - White Light
7:30 - Equal Frequencies
10:50 - Closing Notes
Views : 207,994
Genre: Science & Technology
Date of upload: Jul 19, 2022 ^^
Rating : 4.911 (245/10,706 LTDR)
RYD date created : 2024-05-13T03:00:27.80564Z
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YouTube Comments - 1,172 Comments
Top Comments of this video!! :3
You know that you are a veteran of this program if you knew where Chuck was heading as soon as Neil named the topic. 😃
387 |
The real genius of this explainers with the combination of Neil and Chuck, is that they have great re-watch value.
246 |
I absolutely love the chemistry between Chuck and Neil. This was a great informative and educational video!
121 |
A good show needs nothing. Just a camera, a mic, a good comedian and a damn good scientist. That’s it.
37 |
Long time ago, while in his backyard enjoying a couple beers, this one guy asked me why the grass is green and not some other color.
I had no idea.
He explained: "the natural chemical on the cells of the surface of the grass blades absorbs every spectrum of color from the sunlight, except the green color. It bounces it off, so when we look at it, all we see is the green light coming at us."
I in turn asked him: "Then what is the real color of grass?"
We each drank 2 more beers in total silence.
84 |
I love how you two are the perfect mix of funny and educational! 😂🤣
70 |
There has been a study that shows "white noise" can help you fall sleep.
Then, I think you need some "black noise" to wake you up.😁
By the way, it was a great and amusing presentation.
28 |
Your videos have helped me reach over $300,000 in trading by age 24! Thanks StarTalk. Keep the videos coming. 👍🏽
549 |
I love this channel. Whenever i overthink something going on in my personal life, i turn to this channel and its so fascinating and entertaining it helps me get my focus back
47 |
There's a variant of "white noise" called "pink noise," which is aptly named (by Neil's description of the origin of the name of white noise" because it partially mutes some of the higher frequencies, which results in it sounding softer and a bit less harsh on the human ear. Red noise is when you completely remove the higher tones leaving only the mid and bass tones, and it creates this really relaxing "wooosh" sound, like waves on a beach.
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Hilarious, right out of the gate. Thanks, gentlemen. 😆
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I’ve always wondered if the first people getting color tvs were disappointed that the static was still in black and white..
28 |
How dope is the internet
I get to watch a fantastic scientists and great people from everywhere
8 |
Neil and Chuck for 2024
7 |
This was so cool, I love audio stuff...it’d be cool if you guys did a segment of just audio and acoustic anomalies...even in music making like the Haas effect to help widen sounds in the stereo field with a millisecond delay. Very fun guys!
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So, I work in live audio, and we use something called pink noise to tune our speakers. It’s white noise, but the high end is attenuated so that you hear all the frequencies equally, since white noise tends to build up toward the higher end of the spectrum. It’s called pink because the light equivalent would be to attenuate the blue light.
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There are actually a variety of noises like pink or brown noise, used by sound engineers.
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Greetings from Ghana. OH HOW I LOVE seeing the two of you together!!!❤❤❤❤
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White noise is all frequencies with equal energy at each frequency. That causes more energy in higher spectrums because of there being more frequencies closer together as you go up. An ultraviolet catastrophe for sound engineers because of too much energy that high up.
Pink noise is all frequencies but the energy is the same per octave, or logarithmic distribution. So the per frequency energy goes down as the frequencies go up. This is more often what sound engineers use for speaker set up. And there are variations of it.
Computers, digital devices can not generate a true white or pink noise because digital devices can not generate a true random number. (Explainer?) They can run a program that simulates one and resets at some point in time.
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@StarTalk
1 year ago
Do you remember television static?
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