What makes Jupiter's giant red spot red? |
- What makes Jupiter's giant red spot red?
- If the universe is expanding, isn't all matter/energy in the universe expanding with it?
- Is the steam emitted from a nuclear power plant radioactive?
- Why are B- cells called Plasma Cells knowing that there are no cells in Plasma ?
- What is the difference between "Antigen" & "Immunogen" ? And how does the the immune system act with each other ?
- When a song is stuck in our head, do we subvocalize it just like our internal monologue?
- How can one calculate the volume of a holey cube?
- How do we keep track of biodiversity and the population of species when there are so many and some can move great distances?
- What determines whether smoke is white or black?
- How are Cowbirds and other birds that lay eggs in other’s nests able to maintain calls and behaviors despite having no learning from parents?
- I recently learned that some insects release a pheremone when they're killed that attracts other insects to their corpse. What is the reason for this? Wouldn't it make more sense to release a chemical than warns of danger?
- Does the infrared output of the sun fluctuate in such a way that it affects temperatures on earth; or is the change in temperatures on different parts of the earth purely due to fluid dynamics in the atmosphere and the tilt of the earth on its axis?
- Why does Jupiter only have one giant red spot? And why on that specific location?
- How do handheld massagers with COLD functions work?
- How different are humans now from our ancestors 2000 years ago?
- How smoothe is the surface of a droplet of water as compared to the surface of a planet like Earth?
- Why are transformer and brushless motor stator cores made of steel laminations?
- How should I understand the warping of time in relativity?
- Can polarized dielectrics behave similar to conductors while in motion in an external magnetic field?
- Why does pressure relax tensed muscle?
- If FAD is short for flavin adenine dinucleotide, and a nucleotide includes one monosaccharide, one phosphate group and one nitrogenous base, where is the second monosaccharide?
- How does ingesting sodium/potassium affect the "sodium-potassium pump"?
| What makes Jupiter's giant red spot red? Posted: 06 May 2019 10:36 AM PDT |
| If the universe is expanding, isn't all matter/energy in the universe expanding with it? Posted: 07 May 2019 04:59 AM PDT I've just watched a program about the end of the universe and a couple questions stuck with me that weren't really explained! If someone could help me out with them, I'd appreciate it <3 So, it's theorized that eventually the universe will expand at such a rate that no traveling light will ever reach anywhere else, and that entropy will eventually turn everything to absolute zero (and the universe will die). If the universe is expanding, then naturally the space between all matter is also expanding (which explains the above), but isn't the matter itself also expanding by the same proportions? If we compare an object of arbitrary shape/mass/density now to one of the same shape/mass/density trillions of years from now, will it have expanded? If it does, doesn't that keep the universe in proportion even throughout its expansion, thereby making the space between said objects meaningless? Additionally, if the speed of the universe's expansion overtakes the speed of light, does that mean in terms of relativity that light is now travelling backwards? How would this affect its properties (if at all)? It is suggested that information cannot travel faster than the speed of light, and yet wouldn't this mean that matter in the universe is traveling faster than light? Apologies if the answers to these are obvious! If not a physicist by any stretch, and wasn't able to find understandable answers through Google! Thanks for taking the time to read this! [link] [comments]  |
| Is the steam emitted from a nuclear power plant radioactive? Posted: 06 May 2019 11:32 PM PDT |
| Why are B- cells called Plasma Cells knowing that there are no cells in Plasma ? Posted: 07 May 2019 07:55 AM PDT |
| Posted: 07 May 2019 07:54 AM PDT |
| When a song is stuck in our head, do we subvocalize it just like our internal monologue? Posted: 06 May 2019 01:03 PM PDT |
| How can one calculate the volume of a holey cube? Posted: 06 May 2019 03:09 PM PDT Take a cube with, say, sides of a 10 cm length, and then you drill a hole with a radius of 1 cm perfectly through the centre of each face to the other side. The volume should be the volume of the cube, minus the volume of three cylinders with a radius of 1 cm and a length of 10 cm, right? But that doesn't take into account the area where the cylinders intersect. Now, I've heard something about the Steinmetz solid, but as far as I know, that only covers the area where all cylinders intersect, ignoring the corners where only two cylinders intersect. How do I calculate the volume of a "holey cube"? [link] [comments]  |
| Posted: 06 May 2019 12:23 PM PDT |
| What determines whether smoke is white or black? Posted: 07 May 2019 04:32 AM PDT Burning wood gives off white smoke, burning diesel gives off black smoke. There doesn't seem to be much in between white and black, although I've seen yellow smoke in some chemical reactions, and of course smoke bombs can be colored. But in your basic fire, white or black seem to be normal. [link] [comments]  |
| Posted: 06 May 2019 03:28 PM PDT |
| Posted: 06 May 2019 04:09 PM PDT |
| Posted: 06 May 2019 02:41 PM PDT I had read somewhere, some time ago that the intensity of the heat in summer periods on earth could be tied to sunspot activity. I am uncertain if this is true. I am also curious why is it that temperatures on earth are inconsistent. If the infrared output of the sun is constant and the rotation of the earth is constant, why does the eath not stay at an even temperature like rotisserie chicken (for example)? [link] [comments]  |
| Why does Jupiter only have one giant red spot? And why on that specific location? Posted: 06 May 2019 01:50 PM PDT |
| How do handheld massagers with COLD functions work? Posted: 06 May 2019 01:48 PM PDT My mother recently bought this personal massager that has a function that makes a metal pad on the device cold to touch (according to the product description, 37 to 44ºF). From my surface investigation, I don't really feel any heat escaping from elsewhere on the device. I understand the basic principles of refrigeration and know that heat can't just disappear, but I couldn't really find any answers from web searching about how the cold in this application is being "generated." [link] [comments]  |
| How different are humans now from our ancestors 2000 years ago? Posted: 06 May 2019 01:30 PM PDT Whenever a post is made about a graffiti dick found in a biblical era bathhouse, it reminds me that 2000 years isn't even a blink of an eye relative to how old our planet is. In a weird way, it is comforting to know that humans be humans and across millennia and across cultures, we still find the same things funny. How different (or similar) were our biblical era ancestors? [link] [comments]  |
| How smoothe is the surface of a droplet of water as compared to the surface of a planet like Earth? Posted: 06 May 2019 07:56 PM PDT I've heard it said that the Earth is about as smooth/round as a pool cue. It made me think about a water droplet floating in zero gravity. How would the surface of the water droplet compare to the surface of larger spheres in the universe (ike a pool ball, planet, star, or neutron star) if they were compared proportionally? How would we even compare them? [link] [comments]  |
| Why are transformer and brushless motor stator cores made of steel laminations? Posted: 06 May 2019 12:36 PM PDT I want to build a BLDC motor, but need to understand the purpose of those steel laminations. I've heard that electrical steel is used for the plates, why that and not regular steel? Could I cnc the steel and glue it together with some sort of resin, would that work? Thanks! [link] [comments]  |
| How should I understand the warping of time in relativity? Posted: 06 May 2019 05:43 PM PDT I understand that spacetime is a four dimensional continuum that is warped by the presence of mass/energy which in turn guides the mass and energy that moves through it. I also understand the equivalence principle that ultimately concludes that gravity is not a force but a consequence of this warping. What I want to understand better is how a stationary object in undistorted, flat spacetime when brought into a warped section of spacetime then begins to accelerate. As I understand it, its a product of a differential warping of the time dimension relative to space, so that unlike a stationary object that has time and space positions at the same place, the curvature of time is greater, which causes a displacement in space when the object follows that more warped path. Does that visual capture the concept properly? And is there more to understand? Sorry for dragging out this explanation. [link] [comments]  |
| Posted: 06 May 2019 05:47 PM PDT When comparing them with a conductor; Imagine a polarized dielectric normal(surface) to an external magnetic field. A current carrying conductor in a magnetic field( IL x B) will experience a force. Wouldn't the same occur for a dielectric material being polarized by an external E-field, and as the atoms of the dielectric stretch v x B, can be non-zero? Secondly, if the polarized dielectric was moving in an external magnetic field (with v x B) wouldn't the charges stretch/compress (if v x B is still considered)? [link] [comments]  |
| Why does pressure relax tensed muscle? Posted: 06 May 2019 02:09 PM PDT |
| Posted: 06 May 2019 11:51 AM PDT I only see one when I look at the formula. Is the other one in open-chain form? [link] [comments]  |
| How does ingesting sodium/potassium affect the "sodium-potassium pump"? Posted: 06 May 2019 12:21 PM PDT is there a direct correlation between increased levels of sodium/potassium in the blood to differences in HR, BP, and EKG readings? Would ingesting a similar amount of each counteract the effects of the other? For example: increased sodium = increased HR/BP and increased potassium = decreased HR/BP [link] [comments]  |
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