A tidally locked planet is one that turns to always face its parent star, but what's the term for a planet that doesn't turn at all? (i.e. with a day/night cycle that's equal to exactly one year) |
- A tidally locked planet is one that turns to always face its parent star, but what's the term for a planet that doesn't turn at all? (i.e. with a day/night cycle that's equal to exactly one year)
- Can mitochonrial DNA control RNA instructions, imposing a threat to transcription sequences in organisms (specifically mammalian)?
- Did NASA sterilize the mars rovers to prevent relocating bacterial life to mars?
- Why is escape velocity so high?
- What do the indivisual lines in an atomic spectra represent?
- Why do elderly people sound old?
- Tin (Sn) has the largest liquid range of all metals (505 K to 2875 K), why?
- How far into the future can we predict the exact dates of lunar and solar eclipses?
- What does it mean when a particle has a statistical significance?
- How does energy move between fields in QFT?
- Have we made any headway on the branch between quantum and classical mechanics?
- Why some popcorn do not pop?
- Why is it that some dyes, like that used in laundry detergents, do not stain [white] clothes and can actually do the opposite, clean them?
- Shouldn’t an aircraft body act like a faraday cage? How am I able to get a cellular signal inside an aircraft?
- Where do the parts of a rocket (e.g. boosters, fuel tanks, etc) end up after they detach? If someone retrieves them, how do they do it?
- When referring to a planet's axial tilt, what is the tilt relative to?
- How does the human body regulate its temperature under water?
- In a really long line, if the first person moves forward, what's the average time until the last person moves. (That is, what's the speed of wave propagation in queues)?
- Why do some plants like apples and bananas have to be cloned to ensure the same kind of fruit, instead of being grown from seed?
- How much percent of global warming is caused by humans?
- Are there more -features- in 4G vs 3G, and 5G vs 4G, than just higher speed?
- How is REM sleep avoided during an eye surgery with anesthesia?
- Does the equator experience time dilation compared to the poles?
| Posted: 02 Feb 2018 12:00 PM PST |
| Posted: 03 Feb 2018 04:34 AM PST Mitochondrial DNA is exposed to genetic mutations, as is the Nucleic DNA. In humans, mitochondrial DNA provides instructions for making molecules called transfer RNA (tRNA) and ribosomal RNA (rRNA) which are complementary cousins of DNA. One of their main functions is carrying the transcribed DNA to different ribosomes in the body. Since the RNA is created by the Mitochondrial DNA, is it possible for instructions to be altered causing deficiencies in the organism? If so, what are they, and how high is the rate of incidence (occurrence)? [link] [comments]  |
| Did NASA sterilize the mars rovers to prevent relocating bacterial life to mars? Posted: 02 Feb 2018 08:17 AM PST I'm assuming the rovers were totally cleaned of all "life". You wouldn't want to bring a bacteria or archaea to mars and then "find life" after it fell off your rover and multiplied. [link] [comments]  |
| Why is escape velocity so high? Posted: 03 Feb 2018 05:50 AM PST Why is the escape velocity for earth 11.2 km/s? Can someone explain why it needs to be such a high speed? Why can't a vehicle just travel at a steady 1 km/h until is out of reach of the planet's gravity? [link] [comments]  |
| What do the indivisual lines in an atomic spectra represent? Posted: 03 Feb 2018 06:09 AM PST i know there's gotta be something to do with the release of photons maybe? some type of energy, right? i'm not sure, but i want to know. [link] [comments]  |
| Why do elderly people sound old? Posted: 02 Feb 2018 07:21 PM PST What is it about one's vocal chords/intonation/enunciation that causes them to physically sound older? I can tell when the person who answers the phone is young, middle aged or elderly. Why? [link] [comments]  |
| Tin (Sn) has the largest liquid range of all metals (505 K to 2875 K), why? Posted: 02 Feb 2018 03:23 PM PST What makes the melting point of tin relatively low, even though the boiling point is high? Is it the valency? Bonding? The atomic weight? [link] [comments]  |
| How far into the future can we predict the exact dates of lunar and solar eclipses? Posted: 02 Feb 2018 06:26 PM PST I know we can model the solar system precisely enough to pinpoint dates and times of eclipses back to antiquity, but I'm wondering how far that predictive power actually goes. What variables could make precise predictions challenging going into the far future? [link] [comments]  |
| What does it mean when a particle has a statistical significance? Posted: 03 Feb 2018 03:48 AM PST I understand that the larger the value the more likely it is to exist and be accepted but how is it measured? I ask this after reading about the LHC detecting a pentaquark in August 2016 with a statistical significance of 9đ. Link: https://physics.aps.org/synopsis-for/10.1103/PhysRevLett.117.082003 Any further reading recommendations would be great! [link] [comments]  |
| How does energy move between fields in QFT? Posted: 03 Feb 2018 02:46 AM PST How does a vibration in a photon field become a vibration in the electron field for instance. Also, how does heat work in QFT? Is it "attached" to the vibrations or is it it's own seperate field? [link] [comments]  |
| Have we made any headway on the branch between quantum and classical mechanics? Posted: 03 Feb 2018 01:32 AM PST I'm reading "The Large, the small, and the human mind" by Roger Penrose, and he makes a wide array of potential theories throughout the book, backed by a very technical and scientific approach. The book was written in 1997, my question is, what forms of progress have we made since then, and is there anything we can definitely rule out? For those who haven't read it, he proposes different possible solutions or formats for solutions for the branches between quantum and classical physics. He also raises questions about biophysical processes and consciousness, that maybe there is an answer to be found in quantum level biophysical processes that could explain consciousness in a scientific sense. If all that seems too hard to answer without actually reading the book, there are three general theses he poses,
We've learned a lot since 1997, I'm not sure these questions are solved, but we must've had some big steps since then in these questions? Or are these things now trivial? Thanks to all who answer in advance, sorry if my questions are poorly worded, I just didn't know a better place to raise these questions. [link] [comments]  |
| Posted: 02 Feb 2018 05:32 PM PST |
| Posted: 02 Feb 2018 05:53 PM PST The question popped in to my head as I poured a popular detergent in to my washer containing white clothes and I noticed how dark blue the detergent was, completely opaque, and I found it odd that it cleans as opposed to leaving a dreadful blue splatter all over my clothes. [link] [comments]  |
| Posted: 02 Feb 2018 06:35 PM PST Is the signal coming in through the windows? Surely those are too small and sparsely distributed across the body? [link] [comments]  |
| Posted: 02 Feb 2018 11:45 AM PST |
| When referring to a planet's axial tilt, what is the tilt relative to? Posted: 02 Feb 2018 08:00 PM PST if earth's tilt is 23.5 degrees, where is it zeroed out at? On the surface of earth the reference for tilt would be where the center of (earth's) gravity, i dont know if my question is clear or makes sense, if it doesnt ill try to clarify. [link] [comments]  |
| How does the human body regulate its temperature under water? Posted: 02 Feb 2018 07:46 PM PST |
| Posted: 02 Feb 2018 05:52 PM PST I was waiting in a long line (queue) at a theme park yesterday and started wondering: how long does it take from the time that the first person moves until the opening gets to me and I can step forward? That is, what's the speed of wave propagation in queues? I'm picturing waves of people moving forward though the line, and it's kind of a neat image. I've tried Google searching a bunch of related phrases but haven't turned anything up. Surely someone has measured this. Although I can't really think of any practical implications. Any ideas? [link] [comments]  |
| Posted: 02 Feb 2018 03:39 PM PST |
| How much percent of global warming is caused by humans? Posted: 03 Feb 2018 01:22 AM PST I had a small discussion with my classmates about this topic. It seems there are alot of studies about it online but the results are almost always different. Have a nice day! [link] [comments]  |
| Are there more -features- in 4G vs 3G, and 5G vs 4G, than just higher speed? Posted: 02 Feb 2018 05:28 PM PST More than just the "conversation" that the phone has with the tower to establish a connection, and on which channel, and on how much power, etc probably changes; and embedded in that initial conversation is "what time is it here" and "what time zone am I in", etc. Is there more to it than just the protocol changes? Are there new, shall we say, "APIs", meaning new -features- that a 5G device can use that simply didn't exist for 4G (and 4G over 3G)? [link] [comments]  |
| How is REM sleep avoided during an eye surgery with anesthesia? Posted: 02 Feb 2018 06:15 PM PST |
| Does the equator experience time dilation compared to the poles? Posted: 02 Feb 2018 11:00 AM PST |
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