What is the force that drives light to move at the speed that it does? Or to put more simply, what propels light? |
- What is the force that drives light to move at the speed that it does? Or to put more simply, what propels light?
- Do gasses have a similar concept to “laminar flow”?
- What’s the liquid that starts bubbling on the wood when you strike a match?
- At the end of its life, can a red giant star’s mass be expelled to leave an iron core as opposed to a neutron degenerate core?
- Does light of different wavelengths have different speeds in a medium?
- Why is the Florida Coast Darkened?
- How does our body know when to wake up in the morning?
- Has cancer always been as big a threat historically as it is now?
- Are there names for the different areas of charge in thunder clouds?
- Do black holes technically have no dimensions or more than we can process?
- Why are there extreme differences of temperature accros the world?
- Will it be possible to observe the 2024 moonlanding from earth?
- How does medicine cure depression?
| Posted: 01 Jun 2019 07:46 AM PDT I understand that light travels really fast. I know that is an understatement but anyway, what is it that propels light forward to move at the speed that it does without ever slowing down? [link] [comments]  |
| Do gasses have a similar concept to “laminar flow”? Posted: 01 Jun 2019 08:22 AM PDT I am asking if the actual definition of laminar flow for liquids has a parallel in gasses. I'm just a 16 year old so I need a second guess on this but my theory was that gasses just don't (without extreme intervention) because gasses aren't usually uniform in composition and the difference in density causes chaos. I wouldn't even begin to guess about what could happen if you could test with all of one gas and no others. [link] [comments]  |
| What’s the liquid that starts bubbling on the wood when you strike a match? Posted: 01 Jun 2019 07:08 AM PDT |
| Posted: 01 Jun 2019 07:37 AM PDT Can the processes of age occur in a star while not letting it collapse to neutron degeneracy? I've never heard of an iron core, so then why do they always reach their critical mass to collapse into a neutron degenerate core? I suppose this applies to white dwarfs as well. [link] [comments]  |
| Does light of different wavelengths have different speeds in a medium? Posted: 01 Jun 2019 05:30 AM PDT So I was looking at the standard textbook illustration of glass prism spreading a light ray into rainbow when it hit me: if colors get separated, they must change by a different angle when entering the prism - and since tge angle is a function of speeds in air and glass, that would mean different colors travel at different speeds in glass. Is that the case? Which colour travels the fastest and which the slowest? Does the effect persist for wavelengths beyond visible light? Why don't we see same effect for light enterring out atmosphere (or do we and it's just not significant enough)? And most importantly, why was this never mentioned in school? [link] [comments]  |
| Why is the Florida Coast Darkened? Posted: 01 Jun 2019 06:39 AM PDT Hi, native Floridian here and new to this page. I was on Google Maps earlier and noticed that the gulf coast between Eastpoint and Homosasa is all blacked-out or much darker than the rest of the coastline. Is this from environmental disaster, deep water, or something else? It just seems so odd that just this one section is wildly darker than the rest. [link] [comments]  |
| How does our body know when to wake up in the morning? Posted: 01 Jun 2019 04:37 AM PDT |
| Has cancer always been as big a threat historically as it is now? Posted: 01 Jun 2019 04:03 AM PDT I hear a lot about people dealing with cancer in the news or in personal conversation all the time, but I realized that despite how devastating it can be, I cannot recall hearing about a single instance of anyone dying from cancer before the 20th century. As someone who has lost relatives to the disease, I have unfortunately seen firsthand how devastating it can be, which in turn has led me to question why there are so few historical mentions of it. This makes me wonder if the prevalence of cancer throughout our society is only a modern occurrence, or if it has been a threat throughout history that I have just been unaware of. Is this the case here, or has there been something that has led to an increase in cancer cases in the 20th century and beyond? [link] [comments]  |
| Are there names for the different areas of charge in thunder clouds? Posted: 01 Jun 2019 04:36 AM PDT From research (googling - sort of research), I've learnt that when thunderclouds form the smaller, positively-charged ice crystals (hydrometeors) move towards the top of the cloud and the the heavier, negatively charged ice crystals (also just hydrometeors) move towards the bottom. Lightning occurs between these two regions, of the lower region and the ground. I cannot find names for these two regions. Are there specific names? If so, what are they? [link] [comments]  |
| Do black holes technically have no dimensions or more than we can process? Posted: 01 Jun 2019 05:29 AM PDT Physically imagining black holes, I view them as having width and length, and possibly depth. I don't know if this is necessarily true. I'm not an expert on this sort of stuff. I have also heard, I don't know if this is necessarily accurate, that black holes are one point of extreme gravity, and because points are Zero-dimensional, therefore a black hole wouldn't have dimensions? Either way I'm not sure. [link] [comments]  |
| Why are there extreme differences of temperature accros the world? Posted: 01 Jun 2019 04:57 AM PDT So the earth is tiny compared the sun and million miles away so why do we have such extreme temperature differences on earth when all the countries are basically the same distance from the sun? [link] [comments]  |
| Will it be possible to observe the 2024 moonlanding from earth? Posted: 01 Jun 2019 04:18 AM PDT I was just wondering if it will be possible to watch or record the upcoming moonlanding from earth using telescopes. [link] [comments]  |
| How does medicine cure depression? Posted: 31 May 2019 12:11 PM PDT |
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