If my 60 GB phone is full or empty, is there any difference in weight at the nano level? |
- If my 60 GB phone is full or empty, is there any difference in weight at the nano level?
- If most weather patterns and storms move Eastward in the U.S., why do all the Hurricanes seem to travel Westward?
- Why solar panels don’t work with infrared waves?
- Does a listening to a radio broadcast weaken the signal?
- What are specific impulse and thrust in rocket engines, and how does the relationship between the two affect rocket performance?
- Why is Xenon banned in sport?
- Could the ITER be used to manufacture lithium?
- You are constantly very very close to biting your own tongue. Why doesn’t it happen more often?
- Can a material be thermally conductive but not electrically conductive?
- If someone is born with only one arm or hand is it possible to be dominant with their missing arm/hand?
- Do animals recognise themselves in a mirror or a photograph?
- When food particles get stuck between our teeth, what causes the surrounding gum to swell up and become tender ?
- Can someone explain "resonance continuum"?
- How long does it take the human body to replace lost blood? Is there any difference depending on how the blood was lost?
- How does a ferromagnetic rod lose energy through hysteresis when in a magnetic field?
- Are there any known differences (other than color) between eye colors?
- When we drink beverages dark in color (coffee, wine, dark beer, etc.), our pee still comes out clear/yellow. Where does all the pigment and dark color from the beverage go? Is it hard on our bodies to filter dark colored liquids?
- What would orbital mechanics be like if gravity scaled with distance cubed? Or to the power of 7? Or any exponent other than 2?
- Since photons do not experience time themselves because they are going at the speed of light according to relativity. But since gravity pulls on light, thus slowing it down, does that mean all light experiences time?
- One of the listed potential side effects of taking Klonopin (clonazepam) is respiratory infection. How does simply taking a medication cause a viral infection? (If this is the wrong place to ask this please kindly redirect).
- Are reaction mechanisms very simplified? (Details in text.)
| If my 60 GB phone is full or empty, is there any difference in weight at the nano level? Posted: 06 Oct 2017 04:10 PM PDT |
| Posted: 06 Oct 2017 05:37 PM PDT |
| Why solar panels don’t work with infrared waves? Posted: 07 Oct 2017 03:52 AM PDT |
| Does a listening to a radio broadcast weaken the signal? Posted: 07 Oct 2017 06:38 AM PDT I use broadcast signal as an example of a non-rival good when teaching economics. And on a reasonable scale it is non rival: one person listening to a station does not make the signal weaker. But what about micro/nano scale: does tuning a receiver to a station consume the signal in any way? I understand about the signal being absorbed by physical barriers, but does this increase if we choose to consume the signal? [link] [comments]  |
| Posted: 06 Oct 2017 02:45 PM PDT I'm not entirely sure about the different between a rocket engine's specific impulse and its thrust. But more importantly, I want to understand how these two parameters affect the performance of a rocket. How and why is a rocket with high specific impulse and low thrust different from a rocket wit low specific impulse and high thrust (but equal power?) [link] [comments]  |
| Posted: 05 Oct 2017 07:27 AM PDT Recently I saw an article dating 2014 saying that WADA had banned the use of Xenon and Argon then I saw a 2017 article saying there's still no test for either of them from what I've read athletes, mainly long distance runners and cyclists inhale the gas and it enhances their performance but how? My understanding is that both are inert/noble gases which means they are unreactive so how do they enhance performance Edit: Thanks for all the replys I have a good understanding of it now [link] [comments]  |
| Could the ITER be used to manufacture lithium? Posted: 07 Oct 2017 02:47 AM PDT As we know, lithium ion batteries have become indispensable to modern life. I recently saw a documentary which featured a guy who had invented a new type of battery - the electrolyte was plastic, so it was much safer than lithium ion, and he could therefore use solid lithium as one of the electrodes, so it also had a much higher energy density. It seemed to be all improvements with no drawbacks, except one (not brought up by the presenter) - if they became popular it would massively increase world lithium consumption, which is already straining production. So I thought - lithium is the third element on the periodic table, it may be a common fusion product. The biggest fusion project currently underway is ITER in France - this is an experimental device and not intended for power production. But could it just be used to churn out lithium instead? [link] [comments]  |
| You are constantly very very close to biting your own tongue. Why doesn’t it happen more often? Posted: 06 Oct 2017 06:33 AM PDT |
| Can a material be thermally conductive but not electrically conductive? Posted: 06 Oct 2017 06:19 PM PDT |
| Posted: 06 Oct 2017 01:04 PM PDT For example if someone is born without a right hand, would it be possible that they are actually right hand dominant? [link] [comments]  |
| Do animals recognise themselves in a mirror or a photograph? Posted: 06 Oct 2017 09:32 AM PDT |
| Posted: 06 Oct 2017 11:15 AM PDT |
| Can someone explain "resonance continuum"? Posted: 06 Oct 2017 09:40 AM PDT Taken from the ACS Organometallics Vol 28 In the Introduction, it discusses the "resonance continuum".
Is the passage trying to state that the molecules are indeed resonance structures? Or is it that they aren't but just resemble each other when drawn in a 2D format? [link] [comments]  |
| Posted: 06 Oct 2017 02:21 PM PDT |
| How does a ferromagnetic rod lose energy through hysteresis when in a magnetic field? Posted: 06 Oct 2017 08:45 PM PDT I understand that there will be a torque applied to the rod such that the magnetic energy is converted to mechanical energy. Although is this system losing energy in the form of mechanical energy from something simple such as friction with a material that is in contact with the rotating ferromagnetic rod? Or is there friction intrinsic in the ferromagnetic material due to different domains in the rod having domains with different directions of magnetization; thus domains are rotating in different directions (i.e. not necessarily parallel), and losing energy via heat/self-friction from its own domains even if the ferromagnetic rod was to be exposed to the magnetic field in a vacuum? [link] [comments]  |
| Are there any known differences (other than color) between eye colors? Posted: 06 Oct 2017 10:42 AM PDT |
| Posted: 06 Oct 2017 08:52 AM PDT |
| Posted: 06 Oct 2017 09:02 AM PDT Hi guys, I play Space Engineers, which is an early access multiplayer sandbox-survival game. Also it's a space sim but barely - it simulates planetary gravity that decreases with distance7. How does this affect the trajectory of satellites that move around these planets? I know that the real distance2 gives (using the Newtonian model) conic sections for orbits, but how do things look when this exponent changes? [link] [comments]  |
| Posted: 06 Oct 2017 12:38 PM PDT |
| Posted: 06 Oct 2017 08:35 AM PDT Edit: not asking because I have any symptoms, just trying to understand the mechanism behind it, scientifically. [link] [comments]  |
| Are reaction mechanisms very simplified? (Details in text.) Posted: 06 Oct 2017 06:13 PM PDT Do very commonly accepted (as in very commonly accepted by the scientific community to be highly likely to be what happens at the molecular level in the real reaction after enough ruling out of alternatives mechanisms by probability/impossibility and evidence towards the mechanism come up) reaction mechanisms, especially named, like Aldol Condensation, SN2, Fischer Esterification, SN1, Wittig, E2, Mannich, Aldol Addition, Michael, E1, etc. have some sort of large simplifications, as to comparing to what happens in the real life reaction at the molecular level, or are they essentially what is really happening at the molecular level in their corresponding reaction? This is mainly referring to what bonds are being broken and formed in the steps chronologically in the pathway, disregarding the reversibility, as that is just shuffling the pathway back and forth, partial and formal charges, intermediates and their structures, and major transition states. These "simplifications" don't count things like showing H+ instead of an acid itself or protonated solvent molecule like in reality, showing curved arrows for the movement of electrons instead of colliding/contacting orbitals/clouds of electron probability like in reality, the reversibility of steps in mechanisms, solvent affects, lines being used to represent bonds instead of overlapping orbitals like in reality, etc. as all these listed things and on can easily be inferred by the person looking at the mechanism or are even often shown/hinted at in the mechanism, like reversibility. [link] [comments]  |
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