What has made solar energy so much more expensive in the past, and what developments are most important to further reduce the cost in the future? |
- What has made solar energy so much more expensive in the past, and what developments are most important to further reduce the cost in the future?
- What is the likelihood of their being an extremely large animal hidden in the depths of the ocean?
- Why is the Serotonin System the Primary Target for Depression Over Other NT Systems?
- Today, in Montreal, sunrise is at 7:34 am, and sunset is at 4:18 pm. In Edmonton, sunrise isn't until 8:50am, while sunset is almost the same, at 4:20pm. Why is sunrise more than an hour later, while sunset is at the same time?
- With Iron being the final product of stellar fusion, if we simply started with a chunk of Iron and continually added more what would happen over time as the quantity increased?
- When sonoluminescence occurs what happens to all that heat produced?
- How rare is silicon at what point would scarcity start to impact the cost of solar panel and microchip production?
- What is momentum? Not the formula or the fact that it's conserved... but how do I picture momentum? I can picture acceleration, torque, energy, potential difference, inertia etc etc.. but not momentum. What does it mean when an objects momentum is x kgm/s?
- What properties of a planet determine how high or deep surface features can form?
- why do we feel our heartbeat (pulse) stronger on some areas of our body than others?
- How do computers simulate probability distributions?
- If mass alters the curvature of spacetime, does charge distort spacetime or some electromagnetic analogue?
- How much of the United States could run on the geothermal energy of Yellowstone?
- Why does your body ache when you have a cold?
- [Ecology] Is there any evidence of natural bioremediation occurring in chemical or nuclear disaster sites, like Love Canal or Chernobyl?
- Playing with homemade synthesizers, realized I don't know HOW it is that an oscillator makes sounds?
- Why is angular momentum so important in studying the atom? Are atoms subject to gyroscopic precession?
- Why do people get runny noses when they eat something spicy?
- Why are there ridges on the roof of my mouth?
- Are there any regions of our galaxy that are vastly different from most of the galaxy?
- I'm a refrigeration tech learning about the magneto caloric effect and am wondering to what extent our planet experiences magnetic heating and cooling as it whizzes around the sun?
- How do meteorologists determine the chance of rain?
| Posted: 26 Dec 2016 03:30 PM PST |
| What is the likelihood of their being an extremely large animal hidden in the depths of the ocean? Posted: 26 Dec 2016 04:07 PM PST Since 95 percent of the ocean is unexplored, is it even possible for their to be a hidden giant in the depths? Or is their a way to be mathematically sure or using other means like sonar to conclude that their is not something that big lurking [link] [comments]  |
| Why is the Serotonin System the Primary Target for Depression Over Other NT Systems? Posted: 26 Dec 2016 10:59 PM PST Question in the title but why serotonin? If serotonin is the supposed 'happy chemical' then why do so many people on antidepressants often complain about feeling numb emotionally and sexual side effects? Surely other neurotransmitters are just as important if not more in the physiology of depression right? Or hormones like cortisol--why is measuring cortisol not done regularly by psychiatrists in treating depression? [link] [comments]  |
| Posted: 26 Dec 2016 08:26 PM PST I would have expected the day to be symmetrically shorter, morning and night. [link] [comments]  |
| Posted: 26 Dec 2016 05:21 PM PST I understand from other discussions here how adding different types of mass to an existing star has varied results, however if we were to start with material that could not be fused such as iron (or another similar traditionally non-fusible material) what would happen over time as the pile grew bigger and bigger and we continued to add to it? [link] [comments]  |
| When sonoluminescence occurs what happens to all that heat produced? Posted: 27 Dec 2016 07:40 AM PST I asked this question a couple days back and no-one replied which makes me sad cause I wannna know lol. [link] [comments]  |
| Posted: 27 Dec 2016 07:20 AM PST |
| Posted: 26 Dec 2016 10:25 PM PST Disclaimer: this question may be silly. But please help. [link] [comments]  |
| What properties of a planet determine how high or deep surface features can form? Posted: 26 Dec 2016 09:48 PM PST What about Mars allows it do have the tallest mountain and lowest canyon in the solar system? What is different about Earth in this respect? [link] [comments]  |
| why do we feel our heartbeat (pulse) stronger on some areas of our body than others? Posted: 26 Dec 2016 10:34 PM PST For example, when checking heart rate it is usually easiest to use either the arteries in the neck or wrist to determine bpm. Does this have to do with how large the blood vessel is? Or perhaps how close it is to the surface? Thank you! [link] [comments]  |
| How do computers simulate probability distributions? Posted: 26 Dec 2016 08:12 PM PST Say I want to draw random values from a Gaussian distribution. How does a program generate random values such that they follow the desired distribution? [link] [comments]  |
| Posted: 26 Dec 2016 06:49 PM PST |
| How much of the United States could run on the geothermal energy of Yellowstone? Posted: 26 Dec 2016 10:43 AM PST |
| Why does your body ache when you have a cold? Posted: 26 Dec 2016 02:10 PM PST Whenever I get a cold my body aches. When I sneeze, it's not just my head, but my body that hurts. Why is that? Follow up, why do you feel weak too? [link] [comments]  |
| Posted: 26 Dec 2016 06:51 PM PST |
| Playing with homemade synthesizers, realized I don't know HOW it is that an oscillator makes sounds? Posted: 26 Dec 2016 08:43 PM PST So I get that the oscillator is making waveforms and that depending no the frequency, peaks, and character of the wave, I hear different sounds, but when I really think about it, I feel like I'm still not quite sure I see how a little oscillator circuit is making sounds. I guess the disconnect starts with this idea. The oscillator is exactly making sounds because when you plug it into a bread board, and get the power pumping through it, it's like I can hear it. In other words, it's not making vibrations that I hear like when I strike a guitar. Or is it? Is it making super subtle vibrations and I just need an amplifier in order to make out the vibrations? Seems like that's still not right because even when you drop a needle on a record you can still faintly hear the music. I don't hear anything coming out of the oscillator when power is running through it on thr bread board. So, sorry if this sounds dumb, but what exactly am I hearing? Am I hearing electricity that's being amplified? Or is the electrical pulse making the the speaker vibrate a specific way that then creates what we all know to be an "electronic" sound? [link] [comments]  |
| Posted: 26 Dec 2016 04:44 PM PST I'm starting a quantum mechanics course at university. I want to know why angular momentum is so important ? Many Thanks [link] [comments]  |
| Why do people get runny noses when they eat something spicy? Posted: 26 Dec 2016 10:42 AM PST |
| Why are there ridges on the roof of my mouth? Posted: 26 Dec 2016 08:37 AM PST |
| Are there any regions of our galaxy that are vastly different from most of the galaxy? Posted: 26 Dec 2016 07:10 PM PST Aside from the core vs arms of the galaxy, what other meaningful divisions are there for our galaxy? [link] [comments]  |
| Posted: 26 Dec 2016 05:43 PM PST My thinking is that both the earth and the sun are magnetic bodies so there should be some sort of magneto caloric interaction. I've done a few cursory searches and have come up empty handed. For that matter, to what extent does the Earth experience magneto caloric effect due to its own magnetic field? [link] [comments]  |
| How do meteorologists determine the chance of rain? Posted: 26 Dec 2016 05:54 AM PST |
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