What is Weird: Definition and 482 Discussions

Psychology is the science of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, as well as feelings and thought. It is an academic discipline of immense scope. Psychologists also seek an understanding of the emergent properties of brains, linking the discipline to neuroscience. As a social science, psychologists aim to understand the behavior of individuals and groups.A professional practitioner or researcher involved in the discipline is called a psychologist. Some psychologists can be classified as a social, behavioral, or cognitive scientists. Some psychologists attempt to understand the role of mental functions in individual and social behavior. Others explore the physiological and biological processes that underlie cognitive functions and behaviors.
Psychologists explore behavior and mental processes, including perception, cognition, attention, emotion, intelligence, subjective experiences, motivation, brain functioning, and personality. Psychologists' interests extend to interpersonal relationships, psychological resilience, family resilience, and other areas within social psychology. Psychologists also consider the unconscious mind. Research psychologists employ empirical methods to infer causal and correlational relationships between psychosocial variables. Some, but not all, clinical and counseling psychologists rely on symbolic interpretation.
While psychological knowledge is often applied to the assessment and treatment of mental health problems, it is also directed towards understanding and solving problems in several spheres of human activity. By many accounts, psychology ultimately aims to benefit society. Many psychologists are involved in some kind of therapeutic role, practicing in clinical, counseling, or school settings. Other psychologists conduct scientific research on a wide range of topics related to mental processes and behavior. Typically the latter group of psychologists work in academic settings (e.g., universities, medical schools, hospitals). Another group of psychologists is employed in industrial and organizational settings. Yet others are involved in work on human development, aging, sports, health, forensics, and the media.

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  1. C

    I found a really weird function

    Hey all, so I don't even know how I managed to find this, So I'll walk you all through how I've spent my last couple hours. I've been studying intro calculus, and I recently came across the chain rule. I was screwing around with finding the derivative of various functions like the square-root...
  2. Fredrik

    Solving Unusual Mouse Behavior on Windows 7

    My laptop has been driving me nuts for the past 28 hours. Weird things are happening when I try to use the mouse. For example, when I've just logged in (Windows 7), the mouse is always in one of these two modes: 1. Mouse actions work on the desktop, but not on the taskbar. 2. Mouse actions work...
  3. M

    Block and spring on a weird track (roller coaster)

    Homework Statement A block of mass m = 1.5 kg is launched from point A with speed VA = 12 m / s, in the circuit shown in Figure 4. If we assume that there is no friction determine: a) the speed of the block when it reaches the point C; Drawing of the problem: http://i.imgur.com/TrcMJ5I.png...
  4. N

    Why is my solution precipitating after neutralization with NaOH and HCl?

    We're attempting to measure the immunogenic affects of a particular molecule after subsequent acid and base treatments. As a first version, we're keeping it simple. After all treatment and neutralization, we wind up with 400 uL 0.2 N HCl + 400 uL 0.2 N NaOH + 200 uL H2O. We are getting massive...
  5. X

    Engineering Solving a weird circuit using nodal analysis?

    Homework Statement Homework Equations V=IR Kirchoffs Current Law The Attempt at a Solution I picked the middle node (the one surrounded by 3 resistors) as my reference. V1 and V2 are my other two nodes. I'm also assuming that V1>V2, V1<reference Using Kirchoffs Current Law: (Node 1)...
  6. Dishsoap

    Is it weird to give a thank-you gift for letters of recommendation?

    I noticed that there is another thread on this, however my situation is a bit different in that I am only a junior so it is very possible I will be asking these professors for a letter of recommendation again. I think that a gift card or something similar would be a bit inappropriate (though I...
  7. N

    What do the subscripts in the gradient notation represent?

    Hi! Two exerts from my lecture notes: "Assume we have a system of point masses in position ##\vec{r_i}## which are influenced by forces ##\vec{F_i}##." "Let's say you have a system where ##\vec{F_i} = - \nabla_i V##" In the second line, what does the notation ##\nabla_i## mean? Why is that...
  8. R

    Square Hill Barrier, weird question wording

    Homework Statement Consider a square hill barrier produced by a 10V potential. Incident upon this barrier is a steady stream of 5eV electrons. (a) If half the electrons are transmitted, how thick is the barrier? (Please derive the transmission probability rather than merely quoting it.)...
  9. P

    Angular Momentum weird scenario

    Homework Statement Before anything, please address this first question: Angular momentum, at least for pure rotation, is defined about the axis of rotation only, correct? [/B] We are given a wooden ring of mass M, radius R. I place a small particle of mass M on its circumference. Now the wooden...
  10. Domenico94

    Weird People in Faculty: Have You Seen Any?

    Hi everyone. I'm new to this forum and I'm an Italian engineering student. By navigating in other forums, I've often heard of people that one can happen to find in scientific faculties, and that one can find "weird" (Of course not all people studying in scientifc faculties are weird, only just a...
  11. M

    Predictions for antimatter are weird

    Is antimatter time-reversed negative matter? If so, then it would behave like ordinary matter electromagnetically BUT Newton's grav would yield like mass charges attract and unlike masses repel. Ie, a combination of antimatter and matter does not make a diametric drive due to the time inversion...
  12. Spinnor

    Do spinors still do "funky" weird stuff in 1+1 spacetime?

    Apparently we still need spinors for the Dirac equation in 1+1 dimensional space-time. Do spinors still do "funky" weird stuff in 1+1 dimensional space-time? Thanks for any help!
  13. T

    Lie Algebra of Lorentz Group: Weird Notation?

    In Srednicki's text on quantum field theory, he has a chapter on quantum Lorentz invariance. He presents the commutation relations between the generators of the Lorentz group (equation 2.16) as follows: $$[M^{\mu\nu},M^{\rho\sigma}] =...
  14. emeriska

    Convert Hamiltonian to matrix in weird basis

    Hi guys, I'm having a hard time with that one from Cohen-Tannoudji, ##F_{VI}## # 6. I'm translating from french so sorry if some sentence are weird or doesn't use the right words. 1. Homework Statement We consider a system of angular momentum l = 1; A basis from it sub-space of states is...
  15. berkeman

    Need help figuring out weird formatting in my Outlook e-mail

    I managed to stumble while typing pretty fast, and hit some key combination that put me into a weird paragraph-view type mode for the e-mail messages that I compose. See the screenshot below. I've tried searching Outlook help for "hotkeys" and "paragraph view" and similar, but no luck so far...
  16. Illuvitar

    How Do You Calculate the Mass Percent of Fe3+ in Iron Ore Using Stoichiometry?

    Hello, I am in desperate need of help with setting up this problem and I would very much appreciate being steered in the right direction. 1. Homework Statement Find the mass percent of Fe3+ in a 0.0293g sample of iron ore if 13.25 ml of a .200 M stannous chloride solution is required to...
  17. sheldonrocks97

    Is it Weird I Find Physics II easier than Physics I?

    Is it weird that I find physics II easier than physics I? I am currently in Physics II at university and flying through it with an A. However, I took Physics I at Community College and BARELY got a B. On my tests so far this semester I got a 87 on the first one and a 97 on the second one. In...
  18. DiracPool

    Explore Weird Population Distrib. of China, India, USA, Russia, Canada

    I saw on the news that Obama was going to visit Beijing pretty soon, and got to thinking...why does China have so many more people than the USA, when ostensibly, as the worlds melting pot, we should be the "Times square" of the planet and attract the greatest volume of planetary (even galactic)...
  19. STEMucator

    Weird Pointer Outcome: Analyzing Activation Record 6

    Homework Statement Not homework, but I don't really know where else to put this. Below is some code and it's relevant output, but the output is what I'm concerned about. Homework EquationsThe Attempt at a Solution #include <stdio.h> #include <stdlib.h> void foo(int a, int b) { int r =...
  20. J

    Weird unconventional geometry problem

    You are given a cone with height/length "L" and radius R. This cones Length is parallel to the Z axis in an XYZ frame of reference while the radius is parallel to the XY-plane. This cone is then revolved(spun) around the y-axis, graph the area "touched" by the cone on the YZ-plane. I am...
  21. DivergentSpectrum

    Weird idea (gradients and potentials)

    So, a while back i read about this idea, but i can't find it anymore, so i was wondering if anybody else knows about it. here it is: We know that if a vector field is conservative, then there exists some surface whos level curves are perpendicular to the vector field. or inversely, that the...
  22. G

    Some weird physics questions I'd like answering please

    Hello there physicists! Here are two questions I'd like you to answer please. If the population keeps increasing and if we keep building infrastructure, could the Earth's diameter decrease? In other words, could we crush the Earth like crushing a tin can in the palm of our hands? Surely the...
  23. T

    Weird shell method problem to find volume

    Y=x^(2/3) and y=x^2 rotated about the x=4. First I equate the equations giving me x=0,-1,1. The problem is I have exactly 2 graphs that are symmetric in respect to the y axis. N I have not encountered a problem in stewart dealing with this. I know that the volume on the right side of the...
  24. K

    How can I implement the state machine with the given constraints?

    Hi, I got this instruction given: > For each of the following three scenarios, initially assume that the East-West traffic has had a green traffic light for a long time. 1) If a North-South car is detected then the traffic lights will cycle to green in that direction. The walk light will...
  25. N

    How do you react if you meet a somewhat weird person

    I'm a bit curious about this. To make the poll a bit more scientific (:-p), let's use a common definition of "Weird": Behaving eccentrically, being socially inept and/or otherwise non-conforming to ordinary social norms, but all this to a moderate degree (so nowhere near insane, but still quite...
  26. skate_nerd

    MHB General formula for this weird Gaussian integral?

    Is there a formula for Gaussian integrals of the form $$\int_{-\infty}^{\infty}{x^n}{e^{-a(x-b)^2}}dx$$ I've looked all over, and all I could find were formulas saying $$\int_{-\infty}^{\infty}{e^{-a(x-b)^2}}dx=\sqrt{\frac{\pi}{a}}$$ and...
  27. B

    Troubleshooting Weird LED Behavior on PCB Design

    Hi, I recently designed a PCB in EAGLE, and I got it manufactured and I had all the pieces Sufrace Mounted on it, put it in the oven, everything seems fine and dandy, but I already killed 3 LEDs because of some weird thing going on. I have 5 different LEDs conneced to my circuit, the leds run...
  28. D

    Weird form of entropy using grand partition function for a system

    Homework Statement Hey guys, Here's the question. For a distinguishable set of particles, given that the single particle partition function is Z_{1}=f(T) and the N-particle partition function is related to the single particle partition function by Z_{N}=(Z_{1})^{N} find the following...
  29. F

    Will a Floating Disk Rotate or Move Linearly if Force is Applied off Center?

    if a rigid body, let's say a disk,is floating in space and we exert a force outside its center of mass will it rotate or just start a linear move? its center of mass is free to move.sorry if my English are not so good.I hope that you understood the question
  30. J

    Can someone explain this please? Weird pulley with Tension

    Can someone explain this please?? Weird pulley with Tension Homework Statement See attached picture for problem Homework Equations n/a The Attempt at a Solution The answer is B. No idea why. Any help would be appreciated. Thanks!
  31. D

    How Do You Integrate 1/(k + sin(x))?

    Hi Could anyone give me a hint on getting a closed form for the following integral: \int\frac{1}{k + sin(x)}dx where k is a constant. Thanks. e.
  32. F

    L'Hôpital's rule and weird expression

    Homework Statement Find, using l'Hôpital's rule: lim x-> ∞ ((tan(ax)-atanx)/(sin(ax)-asinx)) Where a is a non constant greater than ± 1. Homework Equations -The Attempt at a Solution I can't work out anything from this point. I don't know how to change or factorize the expression (is there a...
  33. N

    Very weird luminous bed sheet ?

    Very weird luminous bed sheet ?? I spent the night at another place yesterday. At night, the bed sheet (which was a bit "plasticy") would shine intense greenish light when I run my hands over it. The light sometimes converges to a specific point, as if there was an LED placed underneath...
  34. N

    Standards Definitions are weird

    Hello, While riding home today, I started to wonder what was the definition of a second in the context of time. I looked it up and found out that the definition has changed somewhat over the years and it is now defined as (paraphrased) 9,192,631,770 periods of the cesium atom. A meter is...
  35. A

    Weird probability problem With what probability is it raining?

    Weird probability problem..."With what probability is it raining?" Came across this the other day looking at interview questions. Suppose you want to determine whether it's raining in a distant city. You have three friends there who you can call and ask about this. Only thing is: Each...
  36. E

    Solving a Chemical Distribution Problem in a Pond Using Differential Equations

    [b]1. Homework Statement Apond initially contains 1,000,000 gal of water and an unknown amount of an undesirable chemical. Water containing 0.01 g of this chemical per gallon flows into the pond at a rate of 300 gal/h. The mixture flows out at the same rate, so the amount of water in the...
  37. G

    What's this weird thing I can do with my hand?

    Here's a video: https://www.youtube.com/watch?v=iHtIPbYK_EI I have been able to do this for as long as I can remember, and only on my right hand. The action that I do to trigger this thing involves pressing my 4th finger onto my palm. Doing this doesn't hurt even if done continuously...
  38. Feodalherren

    Weird wording, can't understand what they want

    Homework Statement Figure P4.31 represents the total acceleration of a particle moving clockwise in a circle of radius 2.50 m at a certain instant of time. At this instant, find (a) the radial acceleration, (b) the speed of the particle, and (c) its tangential acceleration.Homework Equations...
  39. V

    Something weird with my Kurie-Plot (Beta Spectroscopy)

    So I'm doing a Beta Spectroscopy of Sodium and apart from the Energy Spectrum, I'm intending to use the Kurie Plot to incorporate the Coulomb Correction Factor F(Z,p). But when I try plotting the data, my K(Z,p) has an incredibly huge number, on the order of 1020 and the linear graph looks...
  40. Artlav

    Solar panel aging and other weird behaviour

    Given: a ~3W monocrystalline solar panel, originally from a panel+battery+light pack from early 90s, spent a decade in a box, then a decade on the roof under the sun and elements, unconnected to anything. I wanted to finally put it to some use. The circuit is straightforward - the panel...
  41. W

    Weird ways of doing closed loop integrals

    I was looking at an example where it was evaluating a closed loop integral of a vector field around a triangle (0,0) (1,1) (2,0) by using greens theorem. This example was in the green's theorem section of the book so green's theorem must be used. Anyways the double integral was set up as follows...
  42. H

    Is Quantum World weird because we can 'see' higher dimensions?

    Let me try to explain. If I take a reel of movie film, I can unwrap it see different frames simultaneously. How ever if I were "trapped" in the movie I could only experience one frame at a time. Now this example is not a direct proposition I am making. It''s just to imagine a higher...
  43. C

    I don't see what's weird about the double slit experiment

    I've been reading & watching videos about the double slit experiment, and I'm failing to see what's so interesting & strange about it (I hope someone can enlighten me on what I'm missing). The weirdness is NOT the fact that observing an electron changes it's behaviour (right?) At first I...
  44. R

    A very weird improper integral on ^n

    Homework Statement Verify that \int_{ℝ^n}exp(-\frac{λ}{2} \langle Ax, x \rangle-i \langle x,ζ \rangle )dx=(\frac{2\pi}{λ})^{\frac{1}{2}}(detA)^{-\frac{1}{2}}exp(-\frac{1}{2λ} \langle A^{-1}ζ, ζ \rangle ) where A is a symmetric matrix of complex numbers and <ReA x, x> is positive definite, and λ...
  45. Z

    Weird input situation in a PIC circuit

    Hey everyone, I have built a circuit which includes a PIC. The logic is that if a specific pin gets a logic 1, the output pins will be activated and LED lights will flash. I am controlling the input pin with a magnetic reed switch. It was working great few days ago. However today the output...
  46. D

    So, a weird question about water and oil separation

    Well, the question is not weird, but the circumstances are. I am not a physicist, and I am not studying physics. I am a student at a university, and quite interested in physics, but I am intentionally keeping myself away from taking any more physics classes. I like to be able to imagine...
  47. L

    Mosfet Load switch + weird load

    I have a N-ch Mosfet load switch that connects to a WiFi module on a circuit board. When the switch is turned OFF, I still see a voltage of 1.4V at the load. Ckt attached. I decreased the bleed resistor from 1k to 100 ohms. The off voltage decreased to 1.1v. This doesn't happen with other...
  48. ash64449

    Explaining weird trend of d- and f- block elements.

    Hello friends, I noticed from Wikipedia the following information: Atomic radii: 4th period(only d-block elements): Sc:160 pm Ti : 140 pm V : 135 pm...
  49. Vorde

    C/C++ Solving C++ Array Issue in Matrix Program

    Hello all, I'm not really a programmer at all, but I learned c++ for a while so I can do basic stuff. Having just finished my linear algebra class I suddenly had an urge to write myself a simple matrix solver. I knew it wouldn't be easy (especially because of my lack of skill) but I was...
  50. jaumzaum

    Solving a Weird Optics Question: IIT-JEE 1991 Problem Explained

    I was attempting to solve the following problem from IIT-JEE 1991 (actually I first found it on the book Solved problems in Physics) It asks for the image viewed by an observer at left. Ok, an observer at left would seen an image that passes through a spherical dioptre glass-air only...
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