Human Definition and 867 Threads

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...

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...

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...

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

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

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...

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...

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.

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" ?

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...

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...

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...

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...

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?

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

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

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.

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...

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?

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...

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...

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...

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...

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...

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

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...

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...

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

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...

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...

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

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...

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...

Author: Dr. Donald Luttermoser of East Tennessee State University

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

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...

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?

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...

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

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

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.

Hi, I'm currently working on a bio assignment on human karyotypes and I've come across two questions that I've been researching on, but had no luck so far. 1) Why in some karyotype charts is the X chromosome(s) placed at the end of row 3 while the Y chromosome at the end of row 4? my guess is...

I'm a cartoonist and I'm currently working on a story that involves a 6-inch person and a long, outdoor trek. I'd like to introduce as many real-world issues to the equation as possible, and so here I am, intruding upon your forum to pick your mighty brains. :) I'd really be interested in any...

Breaking news; see this NY Times story. Two separate genes for brain size have been shown to have developed rapidly in recent times under selection, one since -37,000 (Cro-Magnon era), the other since only -5300 (neolithic, just before writing invented). The papers describing the research are...

An unusual proposal for the concept of a human subject is proposed in the thread about Gregg Rosenberg’s book (chapter 12 and chapter 13). I want to discuss it independent of the context of Rosenberg. It is proposed that a (human) subject is: “a thing that experiences a bounded unit of...

Do you talk to your dog or cat as if they were a person? Do you think that they understand you; to what extent? How about the bird or hamster...or the goldfish? :rolleyes: Plants? The computer? The cars? Paint cans? Centerfolds?

I recall there being several past topics where we debated whether evolution is still ongoing for humans. I just found & wanted to share http://pharyngula.org/index/weblog/comments/or_maybe_its_an_example_of_absurdist_british_humor/" ...

What is the Closest We Have to AI (within normal human "g" range)? Requesting info. please, thanks. Also, second question: I heard something about scientists mapping every human synapses and neurons in the brain and then somehow transforming these into artificial neural nets. How do they do...

The Earth's current Human population is 6 Billion. Some time in 1940 the world population was 3 billion and around 1750 the population was about 500 million. Is there a scientific method to extrapolate the Human population for the date 5000 b.c? Thanks.

I’d guess the majority of people participating at this site would say intellect. After all, isn’t that what most of us believe sets us apart from other animals? In fact, I am fairly certain there are those here who would say the ability to reason entirely distinguishes human consciousness...