Squawk 1200

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About Squawk 1200

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    Quark

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  • Favorite Area of Science
    aerospace engineering

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  1. Processing fear

    When a dangerous situation takss place, people (generally) react in a very predictable way - they panic and completely lose ability to think clearly. Is there a subgroup of people who naturally (without training) react the opposite way (slowed down heart and breathing rate, lower blood pressure, general relaxation)? OT more simply, a subgroup of population that finds situations most people find dangerous to not be dangerous at all or even pleasant?
  2. Scientists and pop sci

    Do people with solid background in science (physics and math) enjoy pop-sci books, tv shows etc. or do they have a "oh my head hurts so much from that BS/oversimplification" type of reaction?
  3. Job market of the future

    You're so sure nothing will change for worse?
  4. Job market of the future

    Given ever-increasing automation of everything, how will the job market look like in 2030 or 2050? Will the idea of a "job" even exist?
  5. Retina regeneration

    When do you think will repair of a damaged retina be possible and with what technology? Asking this as a ROP (retinopathy of prematurity) survivor... one with very poor eyesight. I can barely see a human from 100 meters away (and they appear really really tiny) I can't properly recognize facial features from 10m away (I can recognize people though) and I can't read normal books except from a few cm's away. Most of my field of view is in my right eye, my left eye is even weaker and I can't read anything with it (it is not blurred but I still can't see). No medical intervention for my condition is currently available.
  6. Russia Decriminalizes Domestic Violence

    This law does not legalize domestic violence. It only changes the character of the sanction, if no physical harm is done, from criminal to administrative so instead of getting a criminal fine one pays an administrative one. Other cases are still under criminal jurisdiction if at least mild physical harm is done.
  7. I want to become a self-taught theoretical physicist

    I think everyone who wants to become a theoretical physicist should ask why they want to become one. If it's for fame, then it's a bad career choice since 99% of physicists (even world class ones) ar not known by anyone except other physicists and maybe, mathematicians. Theoretical physics also looks nothing like stuff depicted in popular science documentaries - it's just math, math, math. It takes not just high intelligence but a highly specific personality type to succeed and feel well doing this job.
  8. I want to become a self-taught theoretical physicist

    I think it is perfectly possible to teach yourself classical mechanics from textbooks. It should also be possible to teach yourself calculus and differential equations. Knowing that stuff is extremely helpful in formal education. By the way, Ed Witten's story is quite interestomg - he got a M.Sc in history and then stepped right into M.Sc. in physics and got a Ph.D. around 3 years later. He had to be exceptionally briliant (how else would you expect a history major to be allowed to get right into physics graduate program of a major university and then into a PhD program under a recent Nobel Proze winnter?)
  9. hard-soft science division

    My are aof study is law. Should I then be worried about the value of my knowledge in everything except making money?
  10. hard-soft science division

    What's the practical usefulness of less hard sciences?
  11. hard-soft science division

    Do you consider this division to be valid? Math, physics and chemistry are usually considered to be "hard" sciences while sociology, economics, law and political science are considered to be "soft". Anectodal evidence says that hard sciences are more intellectually demanding, harder to master and at college level they have entry requirements and higher dropout rates - does data back this claim up? I have even seen economics being classified as a pseudoscience... by people with academic background in economics (one of them also had a minor in pure math).
  12. Need recommendations for jet engine education.

    Ramjet engines are the simplest but not the best for normal applications as they get efficient at very high speeds (mach 2 and above) and cannot produce thrust without airspeed. THough, if you want to build a supersonic aircraft cruising at Mach 3 at 80,000 ft, ramjet would be a way to go.
  13. A glider like transport aircraft - possible?

    At the beginning may be 50-60 passengers with baggage or equivalent amount of cargo. Maybe with a closed wing configuration, like the one below but with much more slender airframe (that one looks like a full blown wide body airliner) and two high bypass turbofans rather than four piston engines:
  14. Hi. In short - my interest in gliders has sparked a question if a high aspect ratio transport aircraft would be possible from an engineering POV? The aircraft would possess a high lift to drag ratio (>25) and would be able to fly for a long periods of time and fly shorter routes with less fuel consumption. Cruising altitude would be between 45-65,000 ft with a possibility of making completely unpowered descent and landing. A spy plane of simialr configuration entered service in USAF (Lockheed U-2)