Brain Definition and 723 Threads

http://www.popsci.com/popsci/medicine/article/0,12543,573349,00.html . I try to avoid using cell phones. I figure I'm exposed to enough radiation daily, and using a cell phone is unnecessary. How often do you we hear things we want to hear on cell phones anyways? It's usually news about...

I have nearly exhausted all explanations, and tech support ran out of options long ago, and I can only guess at what is happening here, so I am passing this along as a good brain teaser if nothing else. If anyone knows a solution that would be great as well. We have Direct TV and a two TV...

http://www.youramazingbrain.org

I heard this one a while back: A Hungarian community of married mathematicians has the following tradition: should any man determine that his wife cheated on him, he shall hang himself at noon. The townsfolk being rather introverted, there is little gossip except when there is an affair. In...

Trigger the brain wif a little Radiation/...? PLS CorrECt me If there is anything that is incorrect! ...is it true that radiation cures deprssion? ...is it because of the mind, when triggered by radiation will tend to change into a different state of activeness! eg: when u'r exposed to...

Tommorrow I have a practical on the dissection of a fetal pig I have been doing all week. Today I removed the brain- intact out of the pig. I have completely forgotten a couple parts of the brain- and would like to remember them when I have the test tommorrow. Since the pig brain is similair in...

Umm I hear that some scientist often get together with architects and engineers to discuss the importance about having windows to allow natural sunlight to enter. I heard it was discovered that natural sunlight actually helps in the slow process of creating new brain cells. Is anyone familiar...

Brain Thumper #8 The Pacific Proprietary Production Plant has the capacity to manufacture straight sections of miniature railroad track on two machines, each of which produces a specific length of track. For instance, suppose that the company had initially configured the machines to make...

Brain Thumper #7 What is the greatest number of knights that can be placed on a chessboard such that no two pieces are in a position to attack each other? Please provide your solution.

Here is an interesting article in the NY Times about scientists using M.R.I.'s to study the responses of Democrats and Republicans to various images and commercials. There are no solid findings yet, but it is interesting nontheless.

Brain Thumper #6 Find the smallest positive integer that does not evenly divide any Fibonacci number in the sequence starting 1, 1, 2, 3, 5, 8, 13, 21, etc.

Brain Thumper #5 Five transit centers are evenly spaced near the perimeter of a small city. Any two transit centers are connected by exactly one route. Additionally, from each transit center there is one route that extends into the suburbs in the shape of a large colorful lollipop. The five...

I got this one at the last class at the end of my course in mathematics last semester... I have 10 stacks of gold coins with 10 coins in each of them, but one of these stacks of coins is false and therefore the weight is presumed to differ from that of the non-fake ones. How I am supposed to...

Brain Thumper #4 First some definitions. A bloc of voters is a group who cooperate to achieve their common goals. In other words, they have the same preferences and vote strategically, which means that they coordinate their votes so as to maximize the outcome. We will assume political party...

Brain Thumper #2 Three reasonably thin ropes of more than sufficient length are specially made so that they connect seamlessly at the ends. One is red, one white, and one blue. They are floated in a large kiddie pool which is then drained for the following game. A person picks a location in...

OK, here's the problem L^{-1}\{\frac{s}{s^2+4s+5}\} What I did: L^{-1}\{\frac{s}{(s+2)^2+1}\} =e^{2t}\cos{t} The book says: =e^{2t}\cos{t}-2e^{2t}\sin{t} Where did the 2e^{2t}\sin{t} come from? Mahalo.

It's time to study ancient Laurasian civilization. Here's an important formula that may or may not look familiar: L = J'6oAL EL5J YCAQ JC5C 68oL -> 5'TYoA QELL |6T5 LLC5 J5dd i Some common numerical sequences are encoded below: J, d, E, o, Q, LL, Ld, L8, dQ, E2, 56, o8, J|2, JE8, T88...

"Would an AI unit, with a quantum brain, be more conscious than a Human if" Would an AI unit, with a quantum brain, be more conscious than a Human, if it had adquired, the ability to sense all wavelenghts?

When I first bought my XBox I got 5 games to go along with it. I couldn't believe how little money I had left in my pocket when I left the store. I had walked in with nearly $400.00. Nearly half of the total cost was for the games and one of those came with the XBox. "Splinter Cell" cost as...

Unfortunately I don't have time to regularly post new brain teasers, I'm sure most have you have noticed :biggrin: So this means I am opening the forum to all. If you have a brain teaser you want members to try out, be my guest and post it! Please keep all threads solely brain teasers and...

Is Maths an underlying principle of nature or did it originate from our brain? I think we would agree that Maths is abstract, but would it be there if we wouldn't be here? Maybe Maths is an underlying principle of nature that our brain is capable of taking notice of in an abstract way. ...

how does a brain work? say a baby's one easier. i have no idea where should i post this?

In the thread about racists, it was said that research has been done by racists to prove that africans have smaller brains. What I'm wondering is why anybody would care. From what I've seen, bigger brain doesn't seem to make people smarter at all. The smartest people I've ever known were...

One of my recent problems is with double integrals... and I am having a brain fart on the \int ln(u) du can you do this?

http://www.biomedcentral.com/news/20040324/04

What gives rise to what we call consiousness? As I can't think of a better definition of consciousness than subjective experience (emotion, feeling), we can use that unless someone comes up with something better. What functions and structures of brains yield or are associated with...

Wow, this really got me once I first looked at this site, but a search on google revealed that this is just another hoax web-site! Brain Transplantation! Give me a break! http://216.247.9.207/ny-best.htm Check it out and have a laugh!

My teacher gave this problem to my class, for anyone who was failing, only one person was able to solve it correctly. It has been driving me crazy for almost two years. Alot of peolpe have said that it is impossible, but I assure you it is not. It was solved by a 17yr old student. here is the...

I think my brain is freezing. I can't see how to get the answers to these questions. A poker hand is defined as drawing 5 cards at random without replacement from a deck of 52 playing cards. Find the probability of each of the following poker hands. (a) Full House (one pair and one triple...

Over the years I have run across a few surprising facts about electrical components. I thought to pass on a couple of these [somewhat obscure?] interesting and often important details. So here are a couple of questions to chew on. 1). Why is it bad to oversize a relay contact? In other words...

A salesman has 6 baskets containing eggs. There are 5,6,12,14,23,29 eggs in 6 baskets respectively. They are either ducks or Hens eggs. The salesman says if I sell one out of the six baskets containing eggs, then I would have chiken eggs twice the no. of duck eggs which basket was Salesman...

Pic included. http://news.yahoo.com/news?tmpl=story2&u=/040115/480/indp10701152008&e=6&ncid=1756

Sorry if I am posting in the wrong forum.Please be gentle since it is my first post Found it in a magazine...and as much as I've tried - I cannot solve how it is done. I am sure someone can be of help. 1.First of all, pick the number of times a week that you would like to eat chocolate...

Found it in a magazine...and as much as I've tried - I cannot solve it. CAn you? 1.First of all, pick the number of times a week that you would like to eat chocolate (try for more than once but less than 10). 2. Multiply this number by 2 (just to be bold). 3. Add 5 (for Sunday). 4...

PRESS RELEASE UCLA Team Maps How Genes Affect Brain Structure, Intelligence UCLA brain mapping researchers have created the first images to show how an individual's genes influence their brain structure and intelligence. Complete text at...

Brain scan 'identifies race bias' A brain scan that can apparently root out racists has been developed by scientists. The technique was used on white volunteers shown photographs of black individuals. Complete text at...

When will computer hardware match the human brain? (Received Dec. 1997) Hans Moravec Robotics Institute Carnegie Mellon University Pittsburgh, PA 15213-3890, USA net: hpm@cmu.edu web: http://www.frc.ri.cmu.edu/~hpm/ ABSTRACT This paper describes how the performance of...

Have our brains come to the point in evolution where we could soon utilize them as mathematical matrices, noncommutative networks, and quantum logicians? Such reasoning may bestow the statistical benefits for predicting and understanding otherwise paradoxical or convoluted outcomes. If so...

1. A new high school has just been completed. There are 1,000 lockers in the long hall of the school and they have been numbered from 1 to 1,000. During lunch, the 1,000 students decide to try an experiment. - The first student, student 1, runs down the row of lockers and opens every door...

http://www.carlzimmer.com/blog/C1015037710/E1377996308/index.html on exciting work being done with tMRI. A careful analysis of research that shows that being a racist slows you down on cognitive tasks - or does it?

Hurkyl, I've been wondering, is there an analytic solution to this, or did you just write a loop with something like if((i*37)%109==1) printf("%d",i); ?

What essentially makes up brain matter? I mean the very composition of neurons.

http://www.washingtonpost.com/ac2/wp-dyn/A17434-2003Oct12?language=printer

The brain is the oldest computer known, developed through a process still undetermined in millions of years. As I see it now the brain is developing a computer to the level of A.I. (interesting). The brain needs information to function such as eyes,smell,taste,touch,hearing as forerunners...

Is it possible for us to make a functional model of the human brain? I'm not interested in the phylosophical implications, but more in the resources, techonolgies we can use (that's why I posted here... )

http://www.betterhumans.com/News/news.aspx?articleID=2003-09-29-6

Just read it all the way through. Acocdrnig to an elgnsih unviesitry sutdy the oredr of letetrs in a wrod > > dosen't mttaer, the olny thnig thta's iopmrantt is that the frsit and > lsat > > ltteer of eevry word is in the crcreot ptoision. The rset can be jmbueld > > and one is stlil...

[SOLVED] 3 Questions that have wracked my brain for two weeks If anyone can help this physics novice out, I have been working on these problems for 2 weeks. I just started looking at an old Physics book, trying to brush up... so if you can help, here are the 4 questions: 1.) When you life a...

I was wandering what area this would be called under Physics, however,The question is this... Considering that you have the ability to convert a text data or photo data into recognizable information to our brain, what would the possiblity be to transfer a 1,000 page textbook from a...

What replaces the ? in the puzzle below? 1 Lincoln + 2 Jeffersons + 3 Roosevelts + 4 Washingtons + 5 Kennedys _______________ ?