In HBO's Chernobyl, radiation sickness is depicted as highly contagious, able to be transmitted by brief skin-to-skin contact with a contaminated person. Is this actually how radiation works? |
- In HBO's Chernobyl, radiation sickness is depicted as highly contagious, able to be transmitted by brief skin-to-skin contact with a contaminated person. Is this actually how radiation works?
- Is Under Armours new rush technology legit or a snake oil?
- Why is it possible to be able to compress gas into a smaller volume, but not be able to do the same with liquid?
- Can electricity arc in a vacuum?
- How do modern AC/DC power convertors handle different input voltages ?
- Are there scientific results on (expected) changes in average life expectancy due to anthropogenic climate change?
- The weather forecaster just said that summer officially starts at 11:54 am. What determines when a season starts and why isn’t it the start of the calendar day?
- Difference between triple bonds?
- Whatever happened to Sophophora melanogaster?
- Is there a statistical difference between adding several dice rolls together (3d6) vs. choosing a random number from within the range of possible rolls (3-18)?
- Bees help pollinate flowers, are there any examples of mammals doing this?
- Why are battery’s measured in Amps and volts instead of Jules?
- Under currently available or feasible propulsion systems, what is the likely maximum speed for human space travel and how long would it take to travel one light year at that speed?
- How exactly does eco mode in my car save me petrol?
- How would temperature affect the absorbance rate of the Superabsorbent polymer, sodium polyacrylate?
- With news of the Beluga/Narwal hybrid. At what point can you still interbreed? Is it in the realm of possibility that a person could impregnate/be impregnated by our closest genetics relative the chimpanzee?
- How comes it about that methyl isothiocyanate is not particularly poisonous?
- If gravitation is just a distorsion of space, why does it make objects moving? And then, where does their (objects) kinetic energy comes from?
- If water can only boil (212 degrees) why do simmering liquids boil around the edges?
- how does a submarine maintain interior atmosphere with changing pressure?
- Why doesn't division by zero have its dedicated imaginary number like "sqrt(-1) = i" does?
- How do new species get recognized as such?
- Since Earth's surface is electrically charged, does the earth emit electromagnetic radiation when it spins?
| Posted: 20 Jun 2019 10:54 PM PDT To provide some examples for people who haven't seen the show (spoilers ahead, be warned):
Is actual radiation contamination that contagious? This article seems to indicate that it's nearly impossible to deliver radiation via skin-to-skin contact, and that as long as a sick person washes their skin and clothes, they're safe to be around, even if they've inhaled or ingested radioactive material that is still in their bodies. Is Chernobyl's portrayal of person-to-person radiation contamination that sensationalized? For as much as people talk about the show's historical accuracy, it's weird to think that the writers would have dropped the ball when it comes to understanding how radiation exposure works. [link] [comments]  |
| Is Under Armours new rush technology legit or a snake oil? Posted: 21 Jun 2019 01:29 AM PDT Under Armour is claiming that they infused fabric with minerals and that "Your body emits energy, Mineral infused fabric absorbs energy, Energy is reflected back into your tissue and you gain strength and endurance" This claim seems like major BS. They said it uses Infrared Technology and that it is scientifically tested and athlete proven. I cant find any claims to back it up at all. [link] [comments]  |
| Posted: 21 Jun 2019 01:49 AM PDT |
| Can electricity arc in a vacuum? Posted: 20 Jun 2019 02:45 PM PDT |
| How do modern AC/DC power convertors handle different input voltages ? Posted: 21 Jun 2019 01:00 AM PDT From my understanding of how transformers work, the ratio of the number of spires allows to change the voltages while in AC, and then diodes and filters make the current continuous. But I really don't see how they manage to adapt to such varying input voltages, from 110V to 220, they dont change the number of spires on the fly I guess, so how do they work ? Thank you very much ! [link] [comments]  |
| Posted: 21 Jun 2019 05:18 AM PDT I found this popular science article: https://www.scientificamerican.com/article/study-calculates-years-life-lost-extreme-temperatures/, but I was wondering if one would be able to cast projections on the average life expectancy over Western countries in for example the RCP8.5 scenario. [link] [comments]  |
| Posted: 21 Jun 2019 04:05 AM PDT |
| Difference between triple bonds? Posted: 20 Jun 2019 08:14 PM PDT Acetylene is utilized in welding processes because of the relatively high amount of energy released from the carbon triple bond. Nitrogen (N2) is utilized in fire suppression and "purging" because of its inert nature. The N2 molecule is stable because of the triple bond between the nitrogen atoms. Why is the triple bond in one molecule desirable for combustion and the triple bond in another molecule desirable for prevention of combustion? [link] [comments]  |
| Whatever happened to Sophophora melanogaster? Posted: 20 Jun 2019 10:40 PM PDT Back in 2010, I remember a bunch of discussion and a bit of drama about how Drosophilia melanogaster was getting moved to the genus Sophophora. I'm not a fly person, but I was in grad school at the time and there were some interesting discussions about what would happen and people arguing over whether the new name should replace the old. My general impression is that the new name really never caught on in the literature. I guess I'm just looking for some inside information about what happened. Did the folks advocating for the change ever give up? Is it used in some places and not others? Did people find another solution? Did the ICZN ever rule on it differently? I guess I just want to know about what people working with flies thought about what happened. [link] [comments]  |
| Posted: 20 Jun 2019 05:54 PM PDT I'm putting together a little program that generates stat blocks for Dungeons and Dragons characters. Stats in D&D are generally determined by rolling 4 six-sided dice, eliminating the lowest roll, and adding them together. To keep things simple, I've just been using 3d6 and adding them up. I realized that I would have to write less code if I just did one random roll in a range of 3-18 (the possible range of numbers generated by 3d6). Is there a statistical difference between rolling 1-6 three times and rolling 3-18? If so, how significant is the difference, and why is it different? [link] [comments]  |
| Bees help pollinate flowers, are there any examples of mammals doing this? Posted: 21 Jun 2019 02:59 AM PDT |
| Why are battery’s measured in Amps and volts instead of Jules? Posted: 21 Jun 2019 04:52 AM PDT So different battery's are measured in different ways, disposable ones are usually referred to in terms of volts, ie a 9-volt battery. And you will see things like phone and portable chargers in terms of mAh. Why is this? How is this a full representation of the electrical capacity of the battery vs something like Jules or watt hours? [link] [comments]  |
| Posted: 21 Jun 2019 02:45 AM PDT |
| How exactly does eco mode in my car save me petrol? Posted: 20 Jun 2019 06:57 PM PDT |
| How would temperature affect the absorbance rate of the Superabsorbent polymer, sodium polyacrylate? Posted: 20 Jun 2019 10:33 PM PDT Hydrogen bonds are formed between sodium polyacrylate and water molecules, would increasing the temperature increase the kinetic energy of molecules leading to better bonding and absorption or would the higher temperature lead to a disruption of the hydrogen bonds leading to less efficient bonding? [link] [comments]  |
| Posted: 20 Jun 2019 06:46 PM PDT |
| How comes it about that methyl isothiocyanate is not particularly poisonous? Posted: 20 Jun 2019 10:28 PM PDT I was recently reading about the release of methyl isocyanate at Bhopal in 1985 ... and it brought to my mind the question of why there is this strange anomaly in biochemistry: methyl cyanate is poisonous; and methyl iso-cyanate is more poisonous than it; and methyl thio-cyanate is also more poisnous than it ... so one would naïvely expect methyl isothio-cyanate to be supremely poisonous, being at the 'far corner of the square', so to speak ... but it isn't!! ... it's actually a constituent of mustard-oil. It's not exactly a pleasant substance: it's present in mustard oil not but in a miniscule amount; & if one were to inhale the pure substance, one would possibly feel death - or at least some grave mischief to the person - verily to be nigh unto one! ... but poisonosity-wise it is not in the same league as the other three: even exceedingly miniscule traces of any of them in food would be an outrage & a scandal. [link] [comments]  |
| Posted: 20 Jun 2019 08:12 AM PDT 1 - Why can't an object stays where it is just because space is distorded around (and in ?) it ? This nature of gravitation is often represented by a tight sheet with a mass in the middle, and marbles rolling down the slope. But they are rolling down the slope because of gravity. So, in the real gravity process, what makes objects "roll down the slope of the space sheet"? 2 - When I throw a ball upwards, it eventually comes to a full stop, thus having no kinetic energy left (right?). So, when it start moving downwards, where does its (new) kinetic energy comes from? [link] [comments]  |
| If water can only boil (212 degrees) why do simmering liquids boil around the edges? Posted: 20 Jun 2019 03:25 PM PDT Boilig is boiling, regardless of location right? Yet simmering pots of liquid seem to boil across the edges. Porque? [link] [comments]  |
| how does a submarine maintain interior atmosphere with changing pressure? Posted: 20 Jun 2019 09:57 AM PDT im preplexed, how tf does that work. In terms of regulating temperature and pressure as the depth below sea level changes, how does it maintain inner enviornment [link] [comments]  |
| Why doesn't division by zero have its dedicated imaginary number like "sqrt(-1) = i" does? Posted: 20 Jun 2019 12:42 AM PDT Is there a technical reason why mathematicians do not define a unit number like z = 1/0 and base a 3rd dimension on this value, creating a 3D number structure with 1, i, and z? [link] [comments]  |
| How do new species get recognized as such? Posted: 20 Jun 2019 09:34 AM PDT I saw the recent news about the assumed new species "ghjattuvolpe" or cat-foxes found in Corsica What steps do scientists have to take to get cat-foxes recognized as a new species ? [link] [comments]  |
| Posted: 20 Jun 2019 12:06 PM PDT |
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