How do the Chinese send signals back to earth from the dark side of the moon if it is tidally locked? |
- How do the Chinese send signals back to earth from the dark side of the moon if it is tidally locked?
- Why are almost all of Earth's time units multiples of 6?
- Given an equivalent surface area to compare, are meteorite impacts more likely to happen around the equator, or at the poles?
- Why is average income calculated as GDP ÷ Population and not GDP ÷ Working Population?
- Why are the solar panels on ISS different from the ones usually seen here on earth?
- Does squid ink share any similarities to “real world” ink we use in our pens and printers? Or is it just a colloquialism?
- What determines whether something will burn or melt?
- Why is my current cold "a cold in the nose", whilst others are "in the head/chest/throat"? Is the infection localised there, or is it that different cold viruses exhibit different symptoms?
- Hipparchus is credited with discovering the precession of the equinoxes; but how can you measure such a slow process, especially in ancient Greece?
- Why are albino rats used in scientific research?
- What specifically about cigarettes raises hematocrit levels?
- How are the repeated segments in a centipede developed?
- What is a Lagrange point? What happens there?
- how do different parts of the crystal know to stop growing at the right point to give it a "regular" shape?
- Is a figure 8 solar system possible?
- Is there any way to effectively convert brain waves into energy?
- What makes/ how does the earth spin?
- Is there a genetic link between cleft palate and torus palatinus?
- Why is it apparently impossible to create a velocity profile for fluids with turbulent flow, but not laminar?
- Why do Jupiter's moons never colide?
- We always hear about possible large meteors hitting the earth, but what about the moon?
- Why weren't dinosaurs discovered till the mid 1800's? With civilizations being around for 5,000 years you would think that they would have been discovered earlier.
- Is there a general rule or way to determine whether a compound is soluble or less soluble?
| Posted: 06 Jan 2019 08:46 AM PST |
| Why are almost all of Earth's time units multiples of 6? Posted: 07 Jan 2019 05:43 AM PST Is it coincidence or scientific or just a completely invented concept by humans? [link] [comments]  |
| Posted: 06 Jan 2019 08:12 AM PST I was recently thinking about the likelihood of a meteorite impact where I live. Then, it got me thinking: on a geological time scale, are these impacts more likely to happen at the equator (given most of the stuff in our local region is orbiting the sun around the same plane that the earth and its equator is), or at the poles? I realize that the effect of precession and the tilt of the poles into and out of the vector of the Earth as it travels around the sun does increase the chances of seasonal meteor showers in certain parts of the world. Also, I'm aware that the time of day also changes the likelihood of meteorite impacts, again because of the Earth's direction of travel around the sun in the early morning. However, I now wonder if it is more likely for a massive, life-ending impact to occur around the equator than, say, at the North Pole. Anyone have any insights? I already looked for this question on Google, and I only got some parts of the answer. [link] [comments]  |
| Why is average income calculated as GDP ÷ Population and not GDP ÷ Working Population? Posted: 06 Jan 2019 09:14 AM PST Since we want to find the average income of the average worker, then why is average income calculated as GDP ÷ Population and not GDP ÷ Working Population? [link] [comments]  |
| Why are the solar panels on ISS different from the ones usually seen here on earth? Posted: 07 Jan 2019 04:44 AM PST |
| Posted: 06 Jan 2019 07:49 PM PST |
| What determines whether something will burn or melt? Posted: 06 Jan 2019 05:25 PM PST |
| Posted: 06 Jan 2019 09:40 AM PST |
| Posted: 06 Jan 2019 03:11 PM PST |
| Why are albino rats used in scientific research? Posted: 06 Jan 2019 02:52 PM PST I was reading into the Rat Utopia studies and it mentioned that albino rats were used in most of the studies, which got me wondering:Why are albino rats used in scientific research? What are the benefits and drawbacks? Are albino rats the most common rat used in research and if so why? [link] [comments]  |
| What specifically about cigarettes raises hematocrit levels? Posted: 06 Jan 2019 06:34 PM PST Is it the nicotine they contain or is it something else, or a combination of these answers? Essentially, would vaping or using nicotine patches/gum/other nicotine-delivering smoking cessation aids effect (raise or sustain at higher than ideal levels) someone's hematocrit/hemoglobin levels in the same manner as smoking tobacco? [link] [comments]  |
| How are the repeated segments in a centipede developed? Posted: 06 Jan 2019 12:46 PM PST |
| What is a Lagrange point? What happens there? Posted: 06 Jan 2019 01:06 PM PST |
| Posted: 06 Jan 2019 12:00 PM PST My understanding is that when a cubic crystal shape forms, that usually (always?) means that the underlying molecular structure is a cubic crystal lattice (or, at least, cuboidal), where the structure can be created by placing atoms in some pattern inside a cuboid and then repeating that cuboid in all three dimensions. But I never understood what forces would cause a crystal to grow in a shape that mimics the building block of the lattice. In other words, suppose atom X is somewhere on the face of one of the crystals. The crystal stopped growing (in the direction orthogonal to the face of the crystal) exactly at atom X. 5,000 molecules down from atom X is atom Y, and the crystal also stopped growing in that direction at atom Y. What forces would cause the growth to be "coordinated" in a way that it stopped growing in that direction at both atom X and Y and all of the atoms in between? (And similarly for all the atoms on the edge between two faces of the crystal, where the crystal stopped growing in *two* directions at all of those points?) [link] [comments]  |
| Is a figure 8 solar system possible? Posted: 06 Jan 2019 09:18 AM PST I was wondering if it is possible for a solar system to exist where there are two suns that are essentially identical and a decent distance from each other so that the planet(s) are able to pass between them at one point in their orbit. Creating a system where the planet(s) are revolving around one star, get caught in the middle, and then latch onto the other star and start revolving around that one, starting the cycle over again. [link] [comments]  |
| Is there any way to effectively convert brain waves into energy? Posted: 06 Jan 2019 01:25 PM PST I've seen several articles in my few minutes of research over this that show people using their brains to power a small light bulb. I also read an excerpt from MIT that claims that brain waves are about a billionth of the strength of the Earth's magnetic field. [link] [comments]  |
| What makes/ how does the earth spin? Posted: 06 Jan 2019 08:51 PM PST Like what makes it spin, I know it revolves around the sun because of gravity (I could be wrong if so correct me) but what makes it spin! [link] [comments]  |
| Is there a genetic link between cleft palate and torus palatinus? Posted: 06 Jan 2019 09:19 AM PST I (28F) have a torus palatinus on the roof of my mouth, which is just a harmless bony growth that sticks out. My brother (27M) was born with a cleft of the soft palate. So basically, I was born with an excess of bone and he didn't have enough. I'm wondering if there is a reason we would both have palate abnormalities, since there is no other family history of it, and I haven't been able to find an answer through my own research. [link] [comments]  |
| Posted: 06 Jan 2019 12:16 PM PST |
| Why do Jupiter's moons never colide? Posted: 06 Jan 2019 07:44 AM PST I mean, shouldn't the gravitational force between each other be enough to attract themselves when they pass by? [link] [comments]  |
| We always hear about possible large meteors hitting the earth, but what about the moon? Posted: 06 Jan 2019 10:04 AM PST Would there be effects to us from debris if it was a big enough meteor? How likely is it we'd see a meteor strike on the moon? [link] [comments]  |
| Posted: 06 Jan 2019 07:49 AM PST |
| Is there a general rule or way to determine whether a compound is soluble or less soluble? Posted: 06 Jan 2019 01:35 PM PST Hello, Like the title says, is there any way to determine just by looking at the formula how soluble a compound is? Thanks. [link] [comments]  |
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