How bright would Andromeda be if it were a quasar? |
- How bright would Andromeda be if it were a quasar?
- If there were only two objects in the universe, how would we know which is moving away from which? Or would we know?
- To what degree can lungs repair damage caused by smoking?
- Why are horns / trumpets shaped the way that they are? How does the flair increase volume?
- Are there predators in the microscopic world?
- Do we know anything of prehistoric fruits and vegetables?
- How do they isolate the exact antibodies they want for an immunoglobulin shot?
- Can two quanta interact with an electron at the same time in the photoelectric effect?
- Is it possible to calibrate an optical instrument using the cosmic background radiation as a source?
- Why is Ca(OH) a bad conductor of electricity even though its a strong base ?
- Why did steam locomotives not push the trains?
- Why is the electricity that sometimes pops from an electrical socket blue, but lightning is yellow? ⚡️
- Are venomous snakes immune to other snakes, or other kinds of snake’s, venom?
- How can a pot plant live for years in the same soil without starving from eating all the nutrients in the soil?
- What do we know about the origin of comets?
- In regards to the recent missionary who died trying to contact a remote tribe on Sentinel Island, much has been made about how he could have decimated the tribe with modern disease. Assuming administration was possible - would simple antibiotics mitigate this risk? If not, would modern medicine?
- Do high electron affinities imply that materials are good conductors?
- How much natural gas is in a gas shale deposit?
- Is ALS more common today than in the past?
- What changes led to the massive polio outbreaks in the late 19th and early 20th centuries?
- If you had 2 glasses of water,one at 40°c and one at 0°c and left them out in a table in a room,would they both reach room temperature of 20°c at the same time?
- Why is getting oxygen into the bloodstream bad?
| How bright would Andromeda be if it were a quasar? Posted: 28 Nov 2018 11:43 PM PST |
| Posted: 29 Nov 2018 02:24 AM PST Let's say in the whole universe there are only 2 stars and they are moving away from each other at different velocities. Would we know each star's velocity without the reference point of a 3rd object? If they are rotating around each other to the point where they are always the same exact distance from each other would we even know, or as far as we knew they would be considered to not be moving/not have any velocity? If there were only one object in the universe, let's say me, am I effectively not moving, or would there be any way to tell I'm moving and in what direction? [link] [comments]  |
| To what degree can lungs repair damage caused by smoking? Posted: 28 Nov 2018 02:11 PM PST I'm wondering how this varies for different frequencies of smoking - and whether damage can repair at all. And, of course, how do you know/ what metrics are there, if any. Soz if wrong sub. [link] [comments]  |
| Why are horns / trumpets shaped the way that they are? How does the flair increase volume? Posted: 28 Nov 2018 05:47 PM PST |
| Are there predators in the microscopic world? Posted: 28 Nov 2018 10:47 PM PST I've been thinking a lot about how life is sustained on earth by consuming. There are top predators all the way down the food chain such as this cat. I was wondering about microscopic world, are there any awesome predators in the microscopic world? [link] [comments]  |
| Do we know anything of prehistoric fruits and vegetables? Posted: 28 Nov 2018 03:45 PM PST Are there any fossils of plants that were once edible or could be edible by humans today? [link] [comments]  |
| How do they isolate the exact antibodies they want for an immunoglobulin shot? Posted: 28 Nov 2018 09:37 PM PST Apparently IVIG is just a bunch of random antibodies (which I'd also like to know how they separate that from blood). The immunoglobulin shot is specific. HOW do they get the correct antibodies they want out? [link] [comments]  |
| Can two quanta interact with an electron at the same time in the photoelectric effect? Posted: 29 Nov 2018 03:29 AM PST I was studying the photoelectric effect at school the other day and I was wondering if two photons that do not have enough energy to eject an electron on their own, can interact with the electron at the same time and extract it out of the metal; unfortunately the teacher didn't know the answer....and couldn't find a concrete answer on the web. [link] [comments]  |
| Is it possible to calibrate an optical instrument using the cosmic background radiation as a source? Posted: 29 Nov 2018 02:35 AM PST Have any spacecraft instruments been calibrated against the 2.725K CBR? If so, what were the main issues that had to be solved to perform such operation? I was wondering specifically whether It'd be necessary to cool the instrument below that temperature to be able to effectively measure the CBR without noise. [link] [comments]  |
| Why is Ca(OH) a bad conductor of electricity even though its a strong base ? Posted: 29 Nov 2018 01:01 AM PST |
| Why did steam locomotives not push the trains? Posted: 28 Nov 2018 02:10 PM PST Steam locomotives produce a lot of smoke from the coal fire. So why weren't the engines pushing the train instead? [link] [comments]  |
| Posted: 28 Nov 2018 10:31 PM PST |
| Are venomous snakes immune to other snakes, or other kinds of snake’s, venom? Posted: 28 Nov 2018 03:58 PM PST |
| Posted: 28 Nov 2018 01:25 PM PST |
| What do we know about the origin of comets? Posted: 28 Nov 2018 11:11 PM PST How do ice comets form, and how much do we know about where and how they were formed? What are the popular theories about this? [link] [comments]  |
| Posted: 28 Nov 2018 01:10 PM PST |
| Do high electron affinities imply that materials are good conductors? Posted: 29 Nov 2018 01:04 AM PST |
| How much natural gas is in a gas shale deposit? Posted: 28 Nov 2018 04:12 PM PST I don't mean how much natural gas reserves are in shale deposits, but rather, what is the grade of a shale gas reserve? If you were able to dig out the shale deposit from underground and look at it independent of the surrounding rock, how many cubic feet of gas would you get out of every tonne or cubic meter of rock? [link] [comments]  |
| Is ALS more common today than in the past? Posted: 28 Nov 2018 11:59 AM PST I'm willing to consider the fact that we're just more aware of it as a society after the ice bucket challenge, but it seems much more common today. [link] [comments]  |
| What changes led to the massive polio outbreaks in the late 19th and early 20th centuries? Posted: 28 Nov 2018 10:16 AM PST Polio has been around for a long time, but this morning I learned that there weren't any (recorded) major outbreaks anywhere in the world before the mid-1800s...yet by the early 1900s there were paralytic outbreaks all over the world crippling thousands of children. I have been searching for explanations but, outside of a small number of anti-vax sites, I haven't found any (non-paywalled) attempts to explain what drove the switch from a slow drip of isolated cases to massive terrifying outbreaks. So...what happened? Do scientists suspect that a more dangerous strain emerged? Some change environmentally or socially? What made poliovirus so much more scary in such a short period of time? [link] [comments]  |
| Posted: 28 Nov 2018 10:07 AM PST |
| Why is getting oxygen into the bloodstream bad? Posted: 28 Nov 2018 01:39 PM PST I heard that doctors would squeeze the syringes to get air out because they don't want air in the blood stream, but why is getting oxygen in veins bad? If a doctor gets oxygen into the bloodstream, won't it just diffuse into the blood and oxygenate the blood? [link] [comments]  |
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