What is the temperature of the plasma inside a plasma globe? |
- What is the temperature of the plasma inside a plasma globe?
- Is it possible to shrink plastic, then bring it back to original size?
- How are the values for electro-negativity determined?
- How does radiation or proton therapy get rid of cancer cells?
- Why do some welders use diffrent "fillers"?
- Why _exactly_ does my microwave "kill" my internet?
- [Physics] Is my teacher wrong about plasma?
- How many Kilograms all the DNA inside a medium human body weight on the whole?
- How does a nuclear fission bomb's chain reaction work?
- How much more difficult is it to send a rover on Europa compared to Mars?
- How can chemicals like CO2 acidify water if they don't contain H+?
- Tetanus can apparently develop due to contamination of minor/superficial injuries. How would that work with an obligate anaerobic germ?
- What is the maximum size for a particle to be able to do simple diffusion into a cell?
- How do scientist determine where and how many samples of an element to take to determine it's isotope composition?
- Does the Sun's gravity have a significant impact on the plate tectonics of the planet Mercury?
- How long can muscle tissue go without oxygen?
- What is the difference between congestion and nasal inflammation?
- Why are some elements more electro-negative than others?
- Could frozen fish be lying around on the surface of Europa?
- What makes the australian black bean - castanospermum australe - poisonous?
What is the temperature of the plasma inside a plasma globe? Posted: 26 Sep 2016 08:05 PM PDT I understand that the total thermal energy is low because the density of the gas is low. Does it make sense to talk about the temperature of the plasma in the same way as the temperature of the glass? [link] [comments] |
Is it possible to shrink plastic, then bring it back to original size? Posted: 26 Sep 2016 06:24 PM PDT |
How are the values for electro-negativity determined? Posted: 26 Sep 2016 08:35 AM PDT For example: the Pauling scale. How did Pauling find the values of the electronegativities of each element? [link] [comments] |
How does radiation or proton therapy get rid of cancer cells? Posted: 26 Sep 2016 09:18 AM PDT I've received radiation, along side chemotherapy, for a tumor I had in my head. It was one of the main reasons why the tumor went away and never came back in that area. Unfortunately, it spread to a different part of my brain and now we are looking at proton therapy, as it's more precise, for treatment. I'm curious as to how radiation and proton therapy work and how they help kill cancer cells. Thanks in advance. [link] [comments] |
Why do some welders use diffrent "fillers"? Posted: 26 Sep 2016 08:23 PM PDT Why do some projects require diffrent types of metals when welding? What is the benifit of using diffrent metals for the "filler"? Does it have something to do with the metallic bonds or somthing similar? [link] [comments] |
Why _exactly_ does my microwave "kill" my internet? Posted: 27 Sep 2016 04:10 AM PDT I know that it has to do with my microwave and router having the same radio frequency, but why would it cause that? [link] [comments] |
[Physics] Is my teacher wrong about plasma? Posted: 27 Sep 2016 03:45 AM PDT My teacher says that plasma is a stage between solid and liquid form. That dosen't seem right to me since I thought it was: Solid -> Liquid -> Gas -> Plasma. Am I confusing things or is my teacher wrong? Is there something he could have confused it with? [link] [comments] |
How many Kilograms all the DNA inside a medium human body weight on the whole? Posted: 27 Sep 2016 06:02 AM PDT |
How does a nuclear fission bomb's chain reaction work? Posted: 26 Sep 2016 05:43 PM PDT Hello! I'm confused about how a nuclear fission reaction perpetuates itself. It is my understanding that a fission reaction starts when the nucleus of an unstable element is bombarded with a neutron and splits, giving off additional neutrons which then go on to hit other nuclei and causing fission again. However I am also of the understanding that the nucleus of an atom is very very small in comparison to the overall size of the atom when you include the electron cloud. Wouldn't that make it unlikely the released neutrons would collide with another nucleus? Also would love a brief explanation of why fission weapons are so powerful compared to conventional weapons. Thanks! I tried to search to no avail, if you know of a post that already provides an explanation on this topic, a link would be much appreciated. [link] [comments] |
How much more difficult is it to send a rover on Europa compared to Mars? Posted: 26 Sep 2016 11:43 PM PDT I ask this, because : [link] [comments] |
How can chemicals like CO2 acidify water if they don't contain H+? Posted: 26 Sep 2016 08:08 PM PDT |
Posted: 27 Sep 2016 07:29 AM PDT While C. tetani can occur anywhere, it should be only present in the form of spores, which would require anaerobic conditions to germinate, reproduce, and release tetanospasmin. It seems to me that any of those steps would require necrotic tissue, rather than healthy, properly oxygenated tissue, to occur. Yet according to CDC, it may also happen in "Wounds caused by an object puncturing the skin, like a nail or needle", and " clean superficial wounds (when only the topmost layer of skin is scraped off)". This doesn't seem to add up, does it? [link] [comments] |
What is the maximum size for a particle to be able to do simple diffusion into a cell? Posted: 26 Sep 2016 08:45 PM PDT So I understand that small non-charged molecules such as H2O and O2 can pass through the plasma membrane with just simple diffusion, whereas bigger molecules such as glucose cannot and need facilitation. My question is what is the "cut-off" for a molecule being too big, and needs to be facilitated through? [link] [comments] |
Posted: 26 Sep 2016 09:11 PM PDT |
Does the Sun's gravity have a significant impact on the plate tectonics of the planet Mercury? Posted: 26 Sep 2016 05:13 PM PDT I saw this post that Mercury apparently has active plate movement, and was curious if the Sun's gravitational pull has a significant effect, being in such close proximity. [link] [comments] |
How long can muscle tissue go without oxygen? Posted: 26 Sep 2016 04:44 PM PDT |
What is the difference between congestion and nasal inflammation? Posted: 26 Sep 2016 03:46 PM PDT I am a student studying the effects of phenylephrine on decongestion, and NSAIDs on inflammation. My understanding is that phenylephrine constricts blood vessels, thereby avoiding nasal edema (congestion). This sounds pretty identical to the fluid retention associated with the migration of WBCs to an infected area in inflammation. Can anyone make the distinction clearer to me? What causes congestion if not an inflammatory response? [link] [comments] |
Why are some elements more electro-negative than others? Posted: 26 Sep 2016 07:43 PM PDT If it has to do with filling up the final shell (valence electrons), then why is Oxygen more electro-negative than Chlorine? [link] [comments] |
Could frozen fish be lying around on the surface of Europa? Posted: 26 Sep 2016 02:42 PM PDT Well, I mean frozen life. If the water plumes on Europa suck up life from the water underneath and blow it out over the surface, would the life get destroyed and be unidentifiable or could a probe tell us that this was once a living thing? Would bones or scales or horn or even soft tissue, like singe-cell creatures survive, dead but intact, frozen on the surface? I've read about concern that drilling probes might contaminate the seas under the ice. Maybe all we have to do is look at the surface. [link] [comments] |
What makes the australian black bean - castanospermum australe - poisonous? Posted: 26 Sep 2016 03:56 PM PDT Wikipedia didn't specify what chemical actually made it poisonous, and several other links also didn't specify it. [link] [comments] |
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