- Why can we remember songs very well, to the point of having them playing in our head perfectly, with every single note playing as if you had headphones on, but with images and places it's more difficult to pinpoint every detail?
- How does the brain isolate a sound and focus on just a specific sound?
- Is tempered glass unable to be laminated or is annealed glass better when laminated?
- How do we know that it rains diamonds on Jupiter? In fact, how do we calculate elemental density on any planet for that matter?
- When the last black hole in the universe evaporates and explodes, what happens to that radiated energy?
- Why are certain ratios of neutrons to protons in a nucleus more stable than others?
- How much delta V will the Parker Solar Probe get from passing Venus?
- How long does a supernova last?
- We have Alfa particles which are Helium nuclei. In the same way, do we have any name for Lithium nuclei that are product of nuclear fission? Is there any reason why we mostly talk about alfa, beta and gama particles?
- [Physics] Can the output power of an ultrasonic wave of a piezoelectric transducer exceed the input electrical power?
- How does the body reabsorb pus?
- Why isn’t there a continent like Antarctica at the North Pole?
- What is Insanity? Is it a term for things like psychosis or is it something that is more so a real condition itself?
| Posted: 27 Dec 2019 07:52 AM PST It's like I had Spotify installed on my brain, but not Google Photos. Why this happens? Thanks in advance. Edit: Thank you to everyone who answered this! I've seen some of your answers, and maybe I wasn't very clear. Yes, I can remember and imagine pictures, places and random things. It's just that for music, it's WAY easier to "replay" it on my mind. With pictures, it's a little bit more difficult. I do not have aphantasia. Some of you have pointed out that this varies from person to person. It made sense to me that it was a common behavior, but after reading your comments and thinking about it for some time, I saw that my initial thought was erroneous. Thanks for pointing that out. Also, some of you pointed out that it's easier to "replay" music in our head for evolutionary reasons. As our eyes are always occupied with seeing things, if we could just imagine a vivid lion in front of us, it would be a disaster. That is something that I've never thought about, and makes a lot of sense. And, some of you also said that it's related to repetition. If I'm listening to a song over and over, my brain will remember it perfectly after some repetitions. So, after reading your answers, I've come to the understanding that this happens because of a series of factors that when combined, will favor my hearing memory instead of my visual memory. And that this is not true for everyone - some may have a better visual memory, and some may not even be able to imagine things at all. Thank you all for your time, it really helped me understanding these topics. [link] [comments]  |
| How does the brain isolate a sound and focus on just a specific sound? Posted: 28 Dec 2019 05:26 AM PST When you hear a music, ambient sounds, people talk or anything with sound. You can just focus on 1 sound and isolate all other like when hearing a music or musical instruments you can focus on the violin sound or the trombone or the flutes or maybe hear only a certain frequency or a specific person talking. How does the brain know what to isolate and focus on, And how does it do it? [link] [comments]  |
| Is tempered glass unable to be laminated or is annealed glass better when laminated? Posted: 28 Dec 2019 06:30 AM PST With car windows being changed over from tempered glass on the side to laminated annealed I started wondering what if we kept tempered glass. Having the strength of tempered and the safety of lamination seems like the best of both worlds. I know the two kinds crack differently but lamination would be able to keep larger shards from being sent flying. Is there something inherit to tempered glass that prevents it from being laminated, or does annealed glass perform better? [link] [comments]  |
| Posted: 28 Dec 2019 04:38 AM PST |
| Posted: 27 Dec 2019 12:52 PM PST A model of the future universe predicts that, after trillions upon trillions of years into the future, all the stars have exhausted, all matter has accumulated into black holes, and the black holes themselves evaporate. When the last black hole in the universe radiates away, there are no other structures in the universe to interact with those fluctuations. What happens to that last bit of energy? Does it simply diffuse through the impossibly vast, cold, empty universe? Does that mean that there will always be some amount of energy (and information?) that persists? [link] [comments]  |
| Why are certain ratios of neutrons to protons in a nucleus more stable than others? Posted: 27 Dec 2019 11:41 AM PST My (bad) understanding of the strong nuclear force would lead me to believe that, because of its short range, the only factor in determining the stability of a nucleus would be the number of nucleons in it. But atoms with specific ratios of neutrons to protons tend to be more stable (I think about 1:1 in lighter elements and 1.5:1 in heavier ones). Why are these ratios preferable? [link] [comments]  |
| How much delta V will the Parker Solar Probe get from passing Venus? Posted: 27 Dec 2019 10:03 PM PST |
| How long does a supernova last? Posted: 27 Dec 2019 10:01 PM PST Like a year? 1000 years? 5 million? What ballpark are we talking? [link] [comments]  |
| Posted: 27 Dec 2019 10:06 AM PST |
| Posted: 27 Dec 2019 08:24 AM PST The sonic output due to vibrations of piezoelectric crystal is understood to be dependent on the electrical input power, frequency, and inherent dielectric properties of the crystal itself. So with the law of conservation of energy it stands to reason that the sonic energy output by the piezoelectric crystal cannot exceed the power of the electrical input signal, right? Conversion between types of energy should still result in a system whose power output in watts (although converted into sonic energy) cannot exceed the power input in electrical energy (also measured in watts), right? [link] [comments]  |
| How does the body reabsorb pus? Posted: 27 Dec 2019 03:01 AM PST Let's say the body has a small abscess somewhere and despite the fact that it's best to incise and drain it, the person doesn't. The body very slowly gains the upper hand over the infection and the abscess shrinks and disappears over a period of weeks to months. How does the body get rid of the pus in the abscess? Do macrophages phagocytose it? [link] [comments]  |
| Why isn’t there a continent like Antarctica at the North Pole? Posted: 27 Dec 2019 05:38 PM PST |
| Posted: 27 Dec 2019 04:46 AM PST |
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