Since the small intestine is coiled up inside the body, are they all similar in shape? Or is it completely random? |
- Since the small intestine is coiled up inside the body, are they all similar in shape? Or is it completely random?
- Are europeans immune to the black death?
- What shape does a chain make when rotating around a pin at one end at a constant rate?
- Has there been any refinements to existing theory or new hypotheses since the Higgs mass was found to be 125 GeV?
- When two materials are rubbed together, do both of them receive equal amount of the heat generated?
- Can low energy radio waves redshift down to zero hertz?
- What is the difference between an Ionic Bond and a Covalent Bond?
- EDS question: What accounts for the differences in visible x-ray counts from different shells on a spectrograph?
- Why don't telomers shorten over generations?
- What causes the bubbles when liquids are boiling?
- How long does bacteria and other life forms live on our body after we die?
- What are ideal situations for the creation of stalactites or stalagmites?
- How well can personality traits currently be predicted using neurological measures?
- Why does activated charcoal pop and crackle when water is poured over it?
- If all compounds are neutral, why is the ionic compound chromate (CrO4 2-) negatively charged?
- Are all mountains on Mars volcanic?
- Can an ECG read voluntary muscle contraction ?
| Posted: 13 Aug 2019 12:57 AM PDT Was thinking about how even though noses are different in shape, they are all just slight modifications to what would be a regular nose shape. [link] [comments]  |
| Are europeans immune to the black death? Posted: 13 Aug 2019 01:43 AM PDT |
| What shape does a chain make when rotating around a pin at one end at a constant rate? Posted: 13 Aug 2019 02:25 AM PDT A point mass on the end of a massless string follows a circle around the pin and its radius can be worked out with gravity and the rotational speed. But what if the mass is distributed along the string, like a chain? Since the centripetal force varies with radius of rotation but gravity is constant, does the string settle into an arc of some kind? [link] [comments]  |
| Posted: 12 Aug 2019 01:50 PM PDT |
| When two materials are rubbed together, do both of them receive equal amount of the heat generated? Posted: 13 Aug 2019 12:55 AM PDT With both of them having the same surface area, of course. [link] [comments]  |
| Can low energy radio waves redshift down to zero hertz? Posted: 12 Aug 2019 05:39 PM PDT Imagine if you have a radio wave at the very bottom of the energy spectrum. Say 3 hertz. 3 is real close to zero. Can a radio wave redshift down to zero hertz? In other words, can a wave redshift into a line and if so, what happens next? Is there a point as which additional redshifting is just impossible? [link] [comments]  |
| What is the difference between an Ionic Bond and a Covalent Bond? Posted: 13 Aug 2019 06:39 AM PDT If Covalent Bonds share two electrons then what is the difference between that and an Ionic Bond that drops or adds two electrons? [link] [comments]  |
| Posted: 13 Aug 2019 05:56 AM PDT I understand the ratios between k-alpha and k-beta, for instance. However, what exactly accounts for the difference in counts between the k-peaks, l-peaks, and m-peaks in general (where the k-alpha and often the m-alpha always seems to have a higher count than any l-peak)? Here is typical example I often see: Copper: Notice how the k-alpha peak (and it is to the right) towers over the l-peak. Tantalum: Notice here though that the m-alpha peak (and it is to the left) is towering over any of the l-peaks. Given enough overvoltage applied and a heavy enough element, why wouldn't k-alpha / l-alpha, and correspondingly, l-alpha / m-alpha have roughly the same count rate? In fact, given that there are more electrons in the m-shell than the l-shell, and more electrons in the l-shell than the k-shell, shouldn't m-alpha tower over l-alpha, and l-alpha tower over k-alpha? I know that there is something basic I am missing here, but if anyone could help, it would be much appreciated. [link] [comments]  |
| Why don't telomers shorten over generations? Posted: 12 Aug 2019 01:28 PM PDT As you age these get shorter, a newborn has long telomers. Are these the same as their parents? [link] [comments]  |
| What causes the bubbles when liquids are boiling? Posted: 13 Aug 2019 02:49 AM PDT was watching my pasta water bring to a boil and I realized I have no idea why this is happening [link] [comments]  |
| How long does bacteria and other life forms live on our body after we die? Posted: 13 Aug 2019 12:57 AM PDT |
| What are ideal situations for the creation of stalactites or stalagmites? Posted: 13 Aug 2019 12:51 AM PDT Basically the title. I have an idea in my head that it would be kinda cool to set up a tube in my room to slowly grow a stalactite/mite. At the moment the idea is an airtight tube, at 100% humidity and a mesh that has high calcium water drip slowly onto it. Since it's such a slow process though, it would be quite hard to tell whether the drip speed should be changed, whether more calcium could be in the water, etc. I could probably only modify things about once a month or so, so being closer to start would be quite useful. [link] [comments]  |
| How well can personality traits currently be predicted using neurological measures? Posted: 12 Aug 2019 08:55 AM PDT Are there combinations of neurological traits that are known to predict a large amount of variance in some personality traits? [link] [comments]  |
| Why does activated charcoal pop and crackle when water is poured over it? Posted: 12 Aug 2019 07:41 AM PDT Why does activated charcoal pop and crackle when water is poured over it? [link] [comments]  |
| If all compounds are neutral, why is the ionic compound chromate (CrO4 2-) negatively charged? Posted: 12 Aug 2019 05:13 PM PDT My textbook says that compounds should always have a neutral charge, but that is almost never the case. And doesn't chromium have 14 valence electrons, so having 4 oxygen that in total, need 8 electrons from the chromium, still wouldn't be good since the chromium has 6 electrons left? Why does this compound even work, the chromium is left without a full amount of electrons on its outer ring. I've tried looking online, but it seems to not have the answer I'm looking for. [link] [comments]  |
| Are all mountains on Mars volcanic? Posted: 12 Aug 2019 10:05 AM PDT Follow up questions: Does Mars have tectonic plates like Earth? Why do both poles have such high elevations—especially considering the otherwise low elevations in the Northern hemisphere? [link] [comments]  |
| Can an ECG read voluntary muscle contraction ? Posted: 12 Aug 2019 02:14 PM PDT From my understanding of how ECGs work, wouldn't an ecg reading pick up the action potential generated by skeletal muscle contraction in the same way it picks up the electrical impulse caused by the heart muscles ? [link] [comments]  |
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