Human Definition and 880 Threads

  1. S

    How Much Power Can the Human Body Output?

    Does anyone know how much power can the human body output? Specifically, how much power can each part of the body output? e.g. how much power can an arm output, a leg output, a particular muscle output, etc? Thanks, sphoenixee
  2. S

    Can People Fly? Investigating Human Flight Possibilities

    Stupid question: can people fly? Evidently, one doesn't see people flying around the streets, but is it possible? Has anyone done studies on whether this is possible or not? Any articles on this would be highly appreciated. Has anyone actually done this? Furthermore, how does physics apply to...
  3. C

    How many watts does the human body use

    how many watts does the human body use i guess 500w
  4. -Job-

    Human Computation: Google Tech Talk

    The following tech talk at google discusses using humans to collect useful information for things such as images, using games. It's an interesting approach, which certainly makes a lot of sense. http://video.google.com/videoplay?docid=-8246463980976635143&q=techtalk&hl=en
  5. A

    Medical The Human Mind and Predicting Behavior

    http://dsc.discovery.com/news/2006/08/16/mindreading_hea.html?category=health&guid=20060816103000 Very interesting article. This could be the beginning of something big, the way I see it. The reason why I found this article so interesting is because it seems to be the first time we have...
  6. N

    Need Info On The Human Genome Project

    I Need some con/bad things about this here topic..Can anybody help??
  7. Evo

    Tragic Elevator Accident at Ohio State University Leaves One Student Dead

    Student crushed to death when 24 Ohio State students crowd onto dorm elevator. "The 2,500-pound weight capacity of the elevator was exceeded by as much as 1,100 pounds, said Doug Smith, a battalion chief for the Columbus Division of Fire." The human capacity for idiocy continues to astound...
  8. S

    Center of mass of the human figure

    The drawing shows a human figure approximately in a sitting position. For the purposes of this problem, there are three parts to the figure, and the center of mass of each one is shown in the drawing. These parts are: (1) the torso, neck, and head (total mass = 41.5 kg) with a center of mass...
  9. C

    Future Human: Making human's invisible without a suit

    Greetings, in the physics forum we've had a discussion on how to make a person invisible. Many people suggested complicated invisibility suits which I won't get into. I had an idea of how we could possibly biologically engineer a human body to be invisible without the need for a suit. I'm...
  10. B

    Estimating Volume of an Average Adult Human

    For a current assignment i am trying to determine the volume of an average adult human in metres cubed. My strategy is to mulitply the average hieght by wast circumfrance for a rough estimate and convert to metres however i am having a hard time findng the average waist size. i found that...
  11. C

    Average Atomic mass of the human body?

    I was wondering average atomic mass is of a fully grown male human. What I mean by this is, if we consider the human body to be comprised of mainly Carbon, Hydrogen, Oxygen, Nitrogen and other trace elements like Calcium, Sodium, Phosphorus, etc. Is it possible to determine an estimate about...
  12. K

    How do vaccine work in the human body?

    how does vaccine help the body develop the immunity that it needs?
  13. D

    Lowest Light Intensity Stimulating Human Eye - Wavelengths

    What is the lowest intensity of light that generates any stimulus in the human eye? In what wave length range?
  14. T

    Are Human Ethics Absurd Yet Necessary in Daily Life?

    What do people mean when they say they are arguing from a moral point of view? Are moral views there, existing but consealed in our brain? do we have an inner idea of what ethical view like justics is suppose to be? For myself, i think judging each person in his or her own term is a ethical...
  15. B

    What Is the Role of Ions in Human Electric Conduction During a Shock?

    Hi folks, I was just looking into conduction as part of an electric shock, as in, the flow mechanism, when I ran across an article about such things, which states: "However, NO ELECTRONS FLOWED THROUGH YOUR BODY AT ALL. The electric charges in a human body are entirely composed of positive...
  16. S

    What Causes Spontaneous Human Combustion?

    Does anybody has any comment on this? What might cause it? B/c I don't want to explode. lol
  17. T

    How Do You Calculate the Moment of Inertia for a 5'10, 165lb Male?

    I am having a lot of trouble trying to find the moment of inertia of myself, a male 5'10", and 165lbs. It seems as if it should be simple but am unsure how to take this one on. Any help would be great thanks.
  18. S

    Learn the Science Behind Human Hair and Its Unique Properties

    why when you cross the 2 hairs http://img148.imageshack.us/img148/8223/image15dz.png the moment you try to break them up, you would see like they are "somehow connected", is that "static electric" ?
  19. O

    The Platonic World. Real or a human construct?

    Does the abstract mathematical world exist independently of the physical world? Roger Penrose, the author of "The Road to Reality", regards this as part of the Platonic world — and seems to incline to the view that it does have an independent existence, as some kind of eternal truth. I'd...
  20. S

    Can the human body influence electronics?

    I've never been to this forum before but I was googling the hutchison effect and also info about radio waves and the human body and that's how I found this place. I've read a topic dating back to 2004 and made me wonder if the human body can influence electronics like causing interference and...
  21. A

    How many atoms in a human cell?

    How many atoms could fit inside a human cell? "A person's body is actually made up of trillions of cells (source: Science Concepts - Cells by Silverstein)", but how many atoms could fit inside a human cell? 125 million atoms could fit inside the period at the end of this sentence. But how...
  22. J

    Exploring the Limits of Human Morals

    I understand the moral stands of Absolutism, Objectivism and Realism now what i am wondering, is their a stand that says humans have no morals at all and we just fool ourselves into thinking what is right and wrong, or is this in one of the ones i named above and I should just learn them better...
  23. Amith2006

    How Do You Calculate the Power of a Human Heart Pumping Blood?

    Sir, Please help me with this problem. # The heart of a man pumps 4 litres of blood per minute at a pressure of 130 mm of mercury. If the density of blood is 13.6 gm/cc, what is the power of the heart?
  24. iansmith

    Human and chimp genomes reveal new twist on origin of species

    http://www.eurekalert.org/pub_releases/2006-05/biom-hac051106.php
  25. E

    Can You Beat a Machine in IQ Test-Like Games?

    In this page you can play against a machine in IQ test-like games. Very funny. www.theiqchallenge.com
  26. Hootenanny

    Average Human Reaction Time to Visual Stimulus

    I was wondering if anyone knows of a site that gives the average reaction time for a human. I'm looking for something which relates to someone stopping a stopwatch when a visual stimulus is seen? Any help would be appreciated.
  27. A

    Human Eye Resolution: Testing Light Levels

    hi, I've just done an experinemt to try and show the resolution of the human eye in different light levels. i did it by putting a 0.25mm apart slits in a tube then, behind it had an adjustbable light, then i moved the slit further back, and asked them to say if they could see the two slits...
  28. M

    What If the Human Body Used First or Second Class Levers?

    I know that the human body is mostly made of third class levers, making it fit for speed. What would happen if the human body were made of first or second class levers?
  29. S

    Medical Human Stress Reaction: Mind Changes Explored

    Hello I mentioned this in General Discussion, but perhaps I can get some answers here. In the human stress reaction, the blood flows away from the skin and fat is dumped into the blood stream. The the removing of blood away from the skin allows the person a better chance of surviving in case of...
  30. L

    Regarding human influence and Heisenberg

    Ok...I'm new to these forums and am just beginning to understand quantum physics, so please be kind. I've been reading those Brian Greene books and I have a question that I don't think he addressed. If I understand correctly, some believe that IF we could measure the position, velocity and...
  31. O

    Is Capitalism the Natural Evolution of Human Society?

    Capitalism to me seems to be a natural development for humans. It's almost the only economical system where each person has an alleged equal chance at success. But is society built the right way? If we look historically on the psychological side of it, capitalism was a way to let people have...
  32. P

    Human civilisation in 1.5 billion years

    I once read a story on the internet, written by a supposed alien abductee, who said that intelligent insectoids will walk on Earth in 1.5 billion years and find no evidence that humans ever existed. :biggrin: My question is: If all humans were to go extinct right now, what would be left of...
  33. J

    The DNA of Eve: Uncovering the Mystery of Human Origins

    It is my understanding that the DNA guys have concluded that all Homo sapiens originated as progeny of a single "Eve" in Central(?) Africa. Since I haven't heard anything about "Adam," I assume that the genetic tracers don't allow anything to be said about the male lineage. Be that as it may...
  34. S

    Will human beings destroy the earth

    Do you think, in 200 years time, will human beings destroy the Earth and their own civilization?
  35. E

    How Does Height Affect Pressure on Human Bones and Leg Strength?

    Hi Two questions, a) how does pressure (in N/cm^2) on the cross section of a human bone change if the length (i'm assuming the length of the person) would increase 10 times ? b) How big would a giant have to be so it's legs can support a pressure of 1000 N/cm^2 with a cross section area of 8...
  36. B

    Surviving Evolution: The Ongoing Battle Between Pathogens and Human Immunity

    I have been thinking of the evolution of the human race over time. Obviously, environmental factors have prevented those with detrimental traits from passing them on, bringing us to our current form. However, with the amount of technological advances in our current time and in the near future...
  37. Ivan Seeking

    Medical Are Mice with Human Brain Cells Ethically Acceptable?

    http://pittsburghlive.com/x/tribune-review/health/s_403491.html
  38. S

    Mathematica Mathematical formula of a human being

    Mathematical formula of a human being (in biological terms (molecules, cell structures, cell arrangment, types of cells and their relations - natural laws by which human being is 'generated' etc))... (inspiration: fractals) (less complex formula giving structural information for everything...
  39. wolram

    Is human evolution at a standstill?

    http://www.guardian.co.uk/Archive/Article/0,4273,4348751,00.html For those who dream of a better life, science has bad news: this is the best it is going to get. Our species has reached its biological pinnacle and is no longer capable of changing. That is the stark, controversial view of a...
  40. M

    Human Remote Control: Experience It Yourself

    http://www.cnn.com/2005/TECH/10/25/human.remote.control.ap/index.html Thoughts? I want to try it out on myself to see what it's like... but ehhh
  41. R

    What Are the Limits of Human Perception and Understanding?

    The limits of the human mind... Can you perceive the fact that there is no end to space or the thought of God always being here and always will be or maybe the thought of there being nothing it can't be nothing it has to be something even being nothing its something,just like there has to be an...
  42. S

    Calculate the surface temperature of a human body

    I am unsure about some of my formulae and answers I would be very grateful if someone could clarify these please Q1 The insulating layer on the inner wall of a building is made from a compound layer of laminated board (inner) and styrofoam (outer). The thickness of the board is 0.02 m and...
  43. Greg Bernhardt

    The Psychology of Human Sexuality

    Author: Dr. Donald Luttermoser of East Tennessee State University
  44. cronxeh

    Can you take a non human gene and implant it?

    Rattlesnakes have infrared cavity sensors, and I was wondering if it was possible to, ahem, take their Pax6? Pax7? genes and clone them into human embryos, creating a super baby human that can see IR waves
  45. P

    Human contributions less than previously described

    Human contributions "less than previously described" I chose that title because someone on Politics made the claim that human contributions were less than previously thought, but I never saw a reference provided for the claim (although I asked for one). I believe I was the recipient of a...
  46. E

    What Defines Humanity: A Philosophical Exploration

    So, may I ask you guys, What Does it Mean to Be Human? After all the studying of different philosophies, what makes Human Human? How does one become Human? What is the philosophy of Being Human?
  47. 1

    Power and focal length of human eye

    I am extremely stuck on this question and do not know how to go about it. Could somebody help me? 1. (a) If the human eyeball is 4cm from lens to retina, what is the range of the power and focal length of the eye lens when focussing an object an infinite distance away and one at the normal...
  48. N

    Pictures of female human albinos

    I really want to see a picture/pictures of female human albinos...could somebody provide one or two? I think when I was in primary school one of my teachers said she taught one (or more?) and that they were really pretty thanks
  49. B

    Human Eye Resolution: Megapixels

    *What is the resolution (in megapixels) of the human eye?
  50. S

    Can Artificial Intelligence ever reach Human Intelligence?

    1st time post here... thought i'd post up something that causes much debate over... but a good topic. ;-) (please keep it level-minded and not a heated argument) Question: Can Artificial Intelligence ever reach Human Intelligence? please give your thoughts... i vote no.
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