What is in the vacuum of outer space? |
- What is in the vacuum of outer space?
- Does the size of a creature, or the size of its eye, affect what can be seen by the "naked eye"? for example, can ants see things we consider microscopic? are ants microscopic to elephants?
- Would I experience the same pressure 10 meters below the water regardless of container size?
- Is it possible to cancel out AC current the same way sound gets cancelled with an inverse wave?
- If Pangea existed ~225 million years ago (as we understand it) and the continents began drifting apart, is there any observable measurement of the continents drifting/merging back together?
- What happens to human cardiac muscle as you do cardio exercises? Does the heart micro-tear like skeletal muscle?
- Is it theoretically possible to deconstruct a nucleus into its substituents and reconstruct a nucleus from the subatomic particles?
- What factors can affect the magnetic field strength of planets and stars?
- To test for Quantum Entanglement, two particles are generated such that their total spin is zero, and that one's spin will be opposite to the other. Why is it "surprising" that this property is maintained over arbitrary distances, if the particles were generated for that very purpose?
- Why does it look like spinning things start reversing?
- Is it possible for vaccinated mothers to transfer their immunity to diseases to their newborns?
- Why do we have a feeling of extreme unease when, among other things, we hear nails scratch a blackboard?
- Where does data come from and how does it exist?
- Why don't spiders get stuck in their webs?
- Do we know what early homo sapiens and neanderthals did with people who broke bones? What would happen if a person broke their leg? Would they die? Would someone kill them? Would they be abandoned?
- Why do antibiotics like doxicillin work against acne?
- How can a wireless router specifically send a signal to just one computer/device when there are multiple devices connected to the same router?
- How do doctors determine which antibiotic to prescribe for different infections?
- Do animals get bored like a human might?
- How is life expectancy of a cancer patient calculated?
- If you put a tube from the depths of the ocean to outer space - would the vacuum of space suck all the water out?
| What is in the vacuum of outer space? Posted: 19 Jun 2017 05:37 PM PDT To clarify, what exists between, for example, to planets? There's no air or other gases (in most scenarios), so what fills the empty vacuum of space? It is my understanding that a perfect vacuum, an area in which literally nothing exists, is impossible, so by extension something needs to inhabit that area. So what exists in the void of space? [link] [comments]  |
| Posted: 20 Jun 2017 06:00 AM PDT |
| Would I experience the same pressure 10 meters below the water regardless of container size? Posted: 19 Jun 2017 11:11 AM PDT I'm learning about SCUBA diving and the initial reading about water pressure got me thinking. If pressure is just the weight of the water above you, do I experience the same or less pressure at the bottom of a 10-meter tall glass of water as I would at the same depth in a 100 meter wide swimming pool or a many miles wide ocean or lake? [link] [comments]  |
| Is it possible to cancel out AC current the same way sound gets cancelled with an inverse wave? Posted: 20 Jun 2017 04:20 AM PDT I was wondering since both AC and sound are waves. I know that the way sound cancelling headphones work is by simply playing an inverse wave of the sound it is trying to cancel. This way the two waves cancel each other out, and silence is formed. Are we able to do something similar with ac current where we would match the frequency to "cancel" any current? [link] [comments]  |
| Posted: 19 Jun 2017 09:21 AM PDT |
| Posted: 19 Jun 2017 10:33 AM PDT I've been having a hard time finding good explanations online. Does the heart "micro-tear" during aerobic or anaerobic work the same way skeletal muscle does during weight training? I've always learned that the heart does not grow because an enlarged heart is a terrible thing. So how exactly does a heart "get stronger" from cardio work? Is it perhaps the whole pulmonary system that changes and not just the heart? Thank you! [link] [comments]  |
| Posted: 20 Jun 2017 03:33 AM PDT For example, take some Oxygen atoms, deconstruct it into its Protons/Neutrons/Electrons & fuse them into carbon atoms? Apologies if this is a stupid question, I'm not sure I'm phrasing it right, plus I'm half asleep. [link] [comments]  |
| What factors can affect the magnetic field strength of planets and stars? Posted: 20 Jun 2017 02:00 AM PDT I believe I have a basic understanding of how planetary magnetic fields can be formed. I know that the core of such objects should be molten and conductive and that they should spin fast enough for this molten mixture to interact with each other to produce a field. However, I am uncertain as to what exact factors can affect magnetic field strength and how they really work. For example, I recall Jupiter's magnetic field is incredibly strong relative to the Earth but is its strength really all to do with the gas giant's size and rotation rate? What sort of relationships do various factors have on a field's strength in celestial objects? [link] [comments]  |
| Posted: 20 Jun 2017 05:34 AM PDT I also understand that the measurement of their spin can be seen as an "action" performed on the particle, but I still don't understand how it is surprising that two particles designed to be opposite to each other continue being opposite to each other over arbitrary distances. [link] [comments]  |
| Why does it look like spinning things start reversing? Posted: 20 Jun 2017 04:44 AM PDT Just got a fidget spinner, and I was staring at it spinning, and it looked like it had reversed its direction. I remembered this video, and it genuinely looks like it's reversed its spinning direction. Why? [link] [comments]  |
| Is it possible for vaccinated mothers to transfer their immunity to diseases to their newborns? Posted: 20 Jun 2017 06:01 AM PDT |
| Posted: 20 Jun 2017 05:58 AM PDT |
| Where does data come from and how does it exist? Posted: 20 Jun 2017 04:44 AM PDT All things are created. Who or what creates data and how is it transferred? [link] [comments]  |
| Why don't spiders get stuck in their webs? Posted: 19 Jun 2017 02:13 PM PDT |
| Posted: 19 Jun 2017 09:41 AM PDT |
| Why do antibiotics like doxicillin work against acne? Posted: 19 Jun 2017 08:26 PM PDT How I thought pimples formed: pore gets clogged (with oil/sebum), oil is no longer able to escaoe, inflammation. Yesterday my brother started taking antibiotics for his acne (it's really bad) Where do bacteria come into play? If acne is a result of oil and clogged pores, how do antibiotics help? [link] [comments]  |
| Posted: 19 Jun 2017 04:19 PM PDT |
| How do doctors determine which antibiotic to prescribe for different infections? Posted: 19 Jun 2017 04:23 PM PDT |
| Do animals get bored like a human might? Posted: 19 Jun 2017 09:14 AM PDT |
| How is life expectancy of a cancer patient calculated? Posted: 19 Jun 2017 02:18 PM PDT What are the markers they read in testing used to exact a diagnosis "You have 1 year left" to a patient diagnosed with cancer? Why does that one year left become six weeks all of a sudden? Are they comparing to others with similar types of cancer/treatments/backgrounds too? [link] [comments]  |
| Posted: 19 Jun 2017 10:47 PM PDT |
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