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  1. I might consider gravity a force, or I might consider gravity as the curvature of spacetime. I might consider a virus and a prion to be alive or not. Unfortunately 'precise logic, definitions and facts' are subject to human convention and interpretation, and to confuse things further, not all humans (or scientists for that matter) agree with each other.
    2 points
  2. I’VE HAD A CYBERSTALKER SINCE I WAS 12 Stalkers using bugging devices and spyware to monitor victims The Reality Of Having A Stalker A cyber stalker and hacker has ruined my life for two years and counting. How do you deal with internet hackers turned real life stalkers? I posted links to most prominent cases given with Google search to give a good idea of what methods stalkers might use to torment their victims and outline the seriousness of such behaviour. So, say you met someone on a message board or perhaps you didn't converse with them but they saw your posts. Now, they have a personal photo on their avatar supposedly of themselves. A few days later and you're at work. A potential customer steps inside and you tell yourself hey he looks so familiar like I saw him before but then think nothing of it. The next day you see him once again and think the same thing, wondering, where do I recognize this guy from? Then all the sudden later that day you see that particular poster on the message board once again and you realize that the man in the picture and the customer that you recognized at work are one and the same. There's no mistake about it. If that isn't him then it's his identical twin. You ponder the chances of such a coincidence. You wonder, is he stalking me? You think to yourself this has to be a coincidence, why would anyone do such a thing, especially to me? I don't know this guy, I didn't do anything to him. You can't do much about it or really find out more about him to ease your paranoia so you keep it ever present in your mind in case more related eeriness develops. Another day later and some crazy shit that you never had to deal with starts happening. You are entering the mind of a stalker. There's a note on your front porch. The note doesn't have your name on it and it doesn't say anything related to what your doing or your life. The note seems random right? Like the wind blew it there. You feel uneasy about the note anyways. Then you walk down your driveway about to walk to the corner store and notice your mailbox is open and the little red plastic flag is up. You look inside the mailbox and theres nothing in it. You close the mailbox and go to the store. You get home and theres a lone single muddy footprint on your porch. It wasnt there when you left. Theres no other footprints. Theres no mud. You were gone 15 to 20 minutes. It starts to dawn on you that someone is trying to mess with your mental stability and cause some emotional disruption. You have 0 experience with stalking and never would have thought it would happen to you. You wonder who it could be. Your mind draws a blank, then you remember, what about that strange guy on that forum who showed up to your workplace twice? You go on the message board to check out his profile, not knowing what else you could do. So you get his profile up and find no real information about him but you read his latest posts and the last post he made mentioned a mailbox in it and used the name of the street you live on! Except he didn't use the word in the context of a street, he used your street name in a different context. You start to get spooked. You know you're not crazy, you're not imagining these things. You wonder, what can you do. You have no evidence that someone is stalking you, all you have are these clues that don't really point to real evidence of a stalker. You know you can't report it without more information about the stalker and better evidence other than mind game clues. So you decide to lock your doors and watch the message board closely. Your phone rings with an unfamiliar number. You answer but the line is silent. The message board user continues to post in several topics. You read all of the posts and within every post is another little nerve wracking clue related to something off. He mentions "footprint"! He mentions a trip to the gas station on a corner. He mentions a prank call. Now, mind you, he's saying these things to someone else in a manner that makes it appear like hes trying to tease you like he knows you're watching him on the message board. You are getting more and more spooked each time he mentions something that somehow relates to you personally or where you live. You look at other topics and count words to check if maybe its just probability that certain recognizeable phrases and words will coincidentally relate to you that closely. You see the numbers dont add up you start to become convinced that this guy is a hacker and hes stalking you and teasing you at the same time. This was a true story about a friend of mine who told me about this yesterday. I told him to call the cops and he said, "I can't do that, they'll think I'm crazy." If this were you, in what manner would you act in this situation? Also, what I forgot to include in this topic... In this situation, how would a hacker be able to locate where you live using your message board profile? How can joining a message board on your desktop computer allow for a hacker to find the location of your house?
    1 point
  3. I don't know how it sounds, what is the direction of time? Is it towards the center of the universe, the big bang or opposite? Thanks.
    1 point
  4. It’s mostly your humility
    1 point
  5. I’d agree with you, but then we’d both be wrong.
    1 point
  6. That's not a useful way to put it. Only time relative to another observer is affected (the coordinate time of the clock according to the observer). The clock itself is not affected by time dilation and measures "proper time", at 1 second per second. Your statement can lead to thinking like, if a neutron star (as an observer) rotates rapidly around another that it's colliding with 10 billion light years from here, then my clock slows down, but I don't notice because all clocks on Earth slow down. The real reason I don't notice any time dilation is that another observer's motion and its measure of my clock in its reference frame, doesn't affect time as measured in my own frame of reference.
    1 point
  7. Pigeonholing(timezone, writing style, identifying information), social media links, IP address (from something like an image download) and outright tricking someone to download malicious files. Only the last would really be hacking. It's generally not that hard if somebody's reasonably active or not cautious enough. So far it sounds like everything your friend is seeing is only circumstantial. Could easily be a case of false pattern recognition.
    1 point
  8. Depends on how the meat is flavored and what you’re eating with it. Sharp white cheddar is great, Swiss on some days, or if it’s really good meat like a steak, blue cheese. I also enjoy sometimes stuffing the middle with goat cheese so it oozes and melts into every bite. I’ve even been known to throw feta on some with crispy onions.
    1 point
  9. Ah yes that material I refer to as a 'simulated cheese food product', yum!
    1 point
  10. 1. Cultural preferences 2. Inherited traits 3. Confirmation bias 4. Environmental pressures 5. Dishonest friends and relatives 6. Mirror distortions 7. Misunderstood definition 8. Low standards 9. Random chance 10. Altered state of observer
    1 point
  11. im not a scientist, but i came here because there is a question bugging me. here goes... the universe is approx 13.8 billion years old, it has been expanding since its beginnings, so it was much smaller at one time than it is now. and we can see galaxys which are over 13 billion light years away, therefore what we see when we look at them is how they looked when the universe was very young and therefore a lot smaller than it is now. . but here are my questions if the further out we look, we are looking at a smaller and smaller universe, then why don't these galaxies appear bigger and bigger the farther away they are? or why dont they appear closer than they really are since the universe was very small back then? i can partly answer my own question but im not sure if im right. im assuming these galaxies are not 13 billion light years away from us now, but in fact ,they were 13 billion light years from us 13 billion years ago, (what a coincidence!) but now, they are probably much further away, long past the cosmic horizon, we are basically looking at a snapshot of something that is no longer there. am i right i saying all this? but that still doesnt explain why they dont look bigger than the closer galaxies since their universe was much smaller. (then again maybe they do look bigger than they should look LOL.). id appreciate some feedback on this. thanks
    1 point
  12. Still spontaneous, but isn't fission driven by collisions, and heavy water used to make fission type/resulting collisions more likely?
    1 point
  13. Matter is generally not lost to decay (in fact, you often have more matter, by particle count, after decay), and how is it that collisions "encourage" decay? (decay being a spontaneous process) It's determined by the gravitational potential, which is not the same thing Except it's math, and 1) math is not constrained by physical laws, and 2) one may be idealizing a case and ignoring extraneous detail (in which case, refer to 1) so this is similar to objecting to the fact that there are no frictionless surfaces in the real world; it has no effect on solving a problem using one in a problem. If you want to ignore the time dimension in thinking about a problem where it has no effect, you are free to do that. Just like how you can ignore spatial dimensions because the motion of an object is not taking place in that dimension.
    1 point
  14. The best starting point would be a good junior high school book in physical geography,that deals with Weather patterns and Climate. This will not assume any prior knowledge or maths. It would give an excellent background into how the natural planetary systems work(ed) before Man's activity interfered significantly. Yes catching up on some background in maths, physics geology etc is a very good idea. Fortunately the science is not mind blowingly difficult and can be acquired alongside progress in climate study. This out of print book (but you can get is second hand for next to nothing) will provide all the scientific background you need and more. https://www.amazon.co.uk/Atmosphere-Ocean-Our-Fluid-Environments/dp/0851412955 Good luck in your journey.
    1 point
  15. The ideas touched on in the 1st article linked by Strange, along with changes in current farming practices suggest that moving away from monocultures and treating farm lands as diverse ecosystems can have very large impacts on carbon sequestration. Interesting results in carbon sequestration have been achieved, along with better water retention, soil fertility microbial action and more by mimicking the effects of migratory herds. Conservation grazing is becoming recognised as a tool for for better land management. Industrialised farming practices appear to be a huge contributor to desertification, and the ability of soils to retain carbon.
    1 point
  16. A number of ways of doing this have been proposed, some quite high-tech and others using more "natural" processes. A summary of a few here: https://www.bbc.co.uk/news/science-environment-45967215 But it seems it may not be effective enough, even if it could be done: https://www.scientificamerican.com/article/sucking-co2-from-the-air-would-not-halt-effects-of-global-warming/ Then there is the problem of what to do with the captured CO2. Unless it can be sequestered for a very long time (probably thousands of years, at least) then it isn't really solving the problem. This system captures CO2 and uses it to grow vegetables: https://www.sciencemag.org/news/2017/06/switzerland-giant-new-machine-sucking-carbon-directly-air Firstly, I am sceptical that providing CO2 to plants will greatly improve yields (for some plants it has the reverse effect). Secondly, once those plants are consumed (and the non-edible parts composted) a large part of the CO2 will be returned to the atmosphere.
    1 point
  17. There has been discussion of doing this at the exhaust of devices that use fossil fuels, where the concentration is much higher than the ambient atmospheric value. Such as https://www.acs.org/content/acs/en/pressroom/presspacs/2012/acs-presspac-january-4-2012/new-materials-remove-co2-from-smokestacks-tailpipes-and-even-the-air.html Still can potentially be energy intensive, if you are stripping the Carbon from th Oxygen, but you aren't having to move huge volumes of air about.
    1 point
  18. The biggest single problem is that there's not much CO2 in the air. At 400 ppm (by volume), each tonne of air only contains about 600 grammes of CO2. So you need to shift huge volumes of air, and that takes a lot of energy.
    1 point
  19. What makes you (given the context ) think this makes any more sense than the OP?
    1 point
  20. I will be glad too, but you first (if you read/write carefully before you post), the OP makes little sense; why else would I compose three replies, before I click "Submit Reply"?
    1 point
  21. The only centers and boundaries we can logically speak of, is the center of our "observable universe"...which of course anyone can legitimately claim, from wherever he is. While knowledge and data of BB model only goes back to t+10-43 seconds, cosmologists are able to reasonably speculate re those early times. During those early times, the four forces we know of today were united in what was called the "Superforce" As space expanded and temperatures and pressures dropped, this superforce started to break up or decouple, gravity being the first. This created what we call phase transitions and false vacuums. eg: the phase transition of ice to liquid water. These false vacuum states may also be responsible for the Inflation epoch. http://cse.ssl.berkeley.edu/bmendez/ay10/2002/notes/lec19.html During this epoch as temperatures and pressures continued to drop, excesses of energy went into creating our very first fundamental particles, quarks, electrons and such. At three minutes the first atomic nucleus was formed [protons and neutrons] The rest is pretty reliable history. The universe over large scales is homogeneous and isotropic. The same can be applied the the expansion rate...that is, it is only applied over large scales.
    1 point
  22. The Big Bang was a snappy name, invented by Fred Hoyle, to compare with the (equally catchy) Steady State theory. (He always denied it was intended to be derogatory.) It is a model that describes the ongoing expansion of the universe from an early hot, dense state. The universe was then, and is still, uniformly full of matter. (Hence not an explosion.) As the universe expanded it cooled (like when you release the pressure from an aerosol can) which allowed structures like stars and galaxies to form.
    1 point
  23. Simply put, the BB was the evolution of space and time [as we know them] from a hot dense state at t+10-43 seconds. All of space and time [spacetime] that we observe was packed within the volume of an atomic nucleus, and as such it can be realized that the BB happened everywhere at the same instant...
    1 point
  24. Time is like distance. (They're both measures of lengths between events) You can walk from the door to the corner of the house and then back, and say, "I'm decreasing the distance that I walked," but you're not really. You're decreasing the displacement between you and the door. The total distance you've walked can only increase. Time as measured by clocks is like that, it's the total elapsed. The problem isn't that there's some hidden physical difference by what must be the "true physical meaning of time" and "true meaning of space", it is merely a difference between the measurements we're choosing to consider, and of choosing the wrong analogies to compare them. A temporal analogy to displacement might be the minimum communication time between two locations, which would be the length of a light-like path between them. This can be increased or decreased, but it's not a measure we call 'time'.
    1 point
  25. I first came across the terminology of the "arrow of time" in Stephen Hawking's book, "A Brief History of Time" In it he describes the thermodynamic arrow of time, that is entropy increasing with time, and the asymmetrical nature of time, the cosmological arrow of time, or the direction of the expansion of the universe, and the Psychological arrow of time, or the flow of time from the past to the future. From memory [long time since I read the book] he speaks of the possibility of the universe recollapsing [or the reversal of the cosmological arrow] yet the flow from past to future continues in that one direction. In essence, while time is variable, it is also asymmetric or one directional.
    1 point
  26. Not quite. Science is a process of hypothesizing about and attempting to model the cosmos in a way that minimizes our blind spots, enables accurate predictions, and helps us disregard flawed ideas. Your position above, I’m sorry to inform you, should be considered flawed for precisely omitting those core concepts and disregarded accordingly.
    0 points
  27. Yet another claim extracted from your anus. At least your bullshit is consistent
    0 points
  28. Because Republicans are more apt to be born wealthy and buy their degrees instead of earn them.
    -1 points
  29. "Coincidentally" a few minutes ago I found that someone got in one my locked storages yet again, you think its the same gay? I wonder what they took this time or how long it was hanging open. The thing about these bitches is they kick you when your down over and over again but for themselves in their own priveledged lives they will never go through downs of their own, their lives are one big easy up from start to finish. They don't have real problems so, to see what real problems look like, to see what its like to have downs like this, they kick you when your down. Thats why they break into my storages all the time thats why they are obsessed with taking my valuables from me. Life is a big up for them, so at my expense they get some real insight into what being down looks like. Must be awesome being them, huh? wink Like, the worst problem they could ever have is their bank doesn't have enough cash on hand for that 10,000 dollar withdrawal. So they break into my things and cause me property damage. What do I do to them? Absolutely nothing, ever.
    -1 points
  30. You can disregard whatever you want, and I can tell you something in a clear and understandable way, but I cannot understand it for you. Nothing I said there is flawed, and I did not "omit" anything, because I was not obliged to say everything that is important about science. I was free to emphasize just that what I think is important, and is lacking in that post.
    -1 points
  31. This is not science. Science is about precise definitions, precise logic, and precise facts. What we "might consider" is none of that. Again, all definitions that include comparison to human, are not objective, and therefore I disregard them.
    -2 points
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