How does water get hot enough to evaporate and form clouds? It needs to get at least 100°C and that seems tough, especially in the winter. |
- How does water get hot enough to evaporate and form clouds? It needs to get at least 100°C and that seems tough, especially in the winter.
- How fast are ions moving during electrolysis?
- Could a room temperature plasma exist?
- How big of a role does drag play in atmospheric reentry breakup?
- Are there any natural processes that involve the weak nuclear force?
- Why is it that for some things (like pulling the seal off a milk bottle), you need dry fingers or rough textures, but for other things (like opening a plastic carrier bag) you need wet fingers and smooth textures?
- Is there a limit for an optical telescope and how further it can look? Is there a limit in general for how further we can look into space?
- How are species that change sex when the male/female population is too low able to trigger the response?
- The earth is an oblate spheroid. What effect does it have on plate tectonics when plates move over regions with differing curvature?
- Why is does a pot make sounds right before the water starts to boil?
- Is the epicenter for fore and aftershocks generally the same as for the main earthquake? How spread out are they generally?
- Is air a homogeneous or heterogenous mixture?
- How are we able to distinguish between two sounds that are the same pitch but come from different instruments?
- How does a single transistor malfunctioning not render an entire computer unusable?
- How is there ice on top of Mt. Everest if it's closer to the sun?
- Am i blinding spiders?
- What is the physiological cause of death in excited delirium patients?
| Posted: 24 Aug 2018 12:49 AM PDT |
| How fast are ions moving during electrolysis? Posted: 23 Aug 2018 10:10 PM PDT |
| Could a room temperature plasma exist? Posted: 24 Aug 2018 05:41 AM PDT To be brief: Generally in nature we see matter in one of three states: solid, liquid, or gas. The state of an element or compound is generally dependent upon its chemical / atomic properties and the outside forces acting on it. Could there be an element or compound not yet discovered that exists as a plasma at close to what we would consider "room temperature"? I was thinking about high temperature superconductors and mentally started down this little rabbit hole, but don't know enough about plasmas to even make an intelligent guess. [link] [comments]  |
| How big of a role does drag play in atmospheric reentry breakup? Posted: 24 Aug 2018 02:04 AM PDT |
| Are there any natural processes that involve the weak nuclear force? Posted: 23 Aug 2018 10:36 PM PDT |
| Posted: 23 Aug 2018 01:54 PM PDT Why do two seemingly similar surfaces need such different approaches to generate grip? [link] [comments]  |
| Posted: 23 Aug 2018 05:47 PM PDT I was curious if there is any limit for an optical telescope with lenses and mirrors to look further into space. If we make big optical telescope with giant lenses will it be good and can look much further? I also read about electro-magnetic telescope, but didn't fully understand how it can pictures or simulate how far away objects look like. With the kinds of telescope there are today, how do you mkae better telescope. I mean what are the technical things to do for making a telescope or any kind of technology to look further into space, and making a picture that a normal person can see and understand how the object looks like. [link] [comments]  |
| Posted: 23 Aug 2018 03:31 PM PDT It's my understanding that certain species will change sex when the opposite sex has disproportionate population numbers. How are they able to react to the lack of mates? Is it chemical signaling? If so, how is this communicated between the organisms? [link] [comments]  |
| Posted: 23 Aug 2018 10:43 AM PDT |
| Why is does a pot make sounds right before the water starts to boil? Posted: 23 Aug 2018 12:59 PM PDT |
| Posted: 23 Aug 2018 06:04 PM PDT Also, is there a general "size" of the epicenter? Like, how detailed do we make the epicenter map? For instance, this map shows the epicenter for the 2015 Nepali Earthquakes. How zoomed in on that epicenter could I go and still have a definite line? [link] [comments]  |
| Is air a homogeneous or heterogenous mixture? Posted: 23 Aug 2018 02:20 PM PDT Today in Chemistry class, we were going over the types of solutions/compounds and the teacher classified air (just "in general") as a homogenous mixture. However, its contents aren't defined and it's not uniform in its composition. Is it still homogenous due to its average composition, or it it heterogenous because it doesn't fit normal definitions? [link] [comments]  |
| Posted: 23 Aug 2018 07:39 AM PDT For example how come a violin playing a note with a frequency of 196Hz sounds different than a trumpet playing at 196Hz? [link] [comments]  |
| How does a single transistor malfunctioning not render an entire computer unusable? Posted: 23 Aug 2018 03:10 AM PDT I dont know of this is the correct sub to ask, but anyway this is my question. If I change one + sign in my code to - the whole program gives rubbish results. Then how does a computer which depends upon thousands of transistors not turn into garbage with a single transistor going dead. [link] [comments]  |
| How is there ice on top of Mt. Everest if it's closer to the sun? Posted: 23 Aug 2018 09:54 PM PDT Ok so I've asked a couple of smart people I know this (I'm not the brightest :P) and they've made guesses like: It's not real heat, its solar radiation that comes from the sun and they because of the laws of energy conservation, it's converted to heat when it's reflected or absorbed on the Earth's surface (like how white reflects and black absorbs), this kind of makes sense but I want to know the real answer. Thanks!! [link] [comments]  |
| Posted: 22 Aug 2018 10:29 PM PDT I have one of those super bright tactical flashlights that have warnings NOT to shine them in people's eyes due to possible retina damage. I use my flashlight at night outside in my yard and like to look at all the spiders and check out how neat they are. Then it occurred to me, could I be blinding them because my light is too bright? I've noticed several of the really cool ones are gone and I'm worried it's my fault. [link] [comments]  |
| What is the physiological cause of death in excited delirium patients? Posted: 23 Aug 2018 09:56 AM PDT I'm struggling to understand what exactly causes the sudden respiratory and then cardiac arrest. Is it actually related to the "excited delirium" or is it due to extraneous factors, such as being accidentally smothered by the police? [link] [comments]  |
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