Saturday, June 18, 2011

CrazyEngineers Forum

CrazyEngineers Forum

Curiosity and ideas on Dark Matter in the universe, ("The missing mass")

Posted: 18 Jun 2011 02:04 PM PDT

My question i would like to bring up is, how has Dark Matter been proven to be a mass? As of right now we cannot detect it because it doesn't emit radiation. Because of that we cannot find the mass of it either. Are there any laws of physics that disprove the possiblity of Dark Matter being more so a force rather than a mysterious matter? Though of course some of the laws may be inaccurate when talking about Dark Matter..There are defnitely Neutrinos with the dark matter which have so much energy they can pass through a lot. My idea was that maybe Dark Matter is a different type of gravity like an antigravity or something that came along with the anti-matter during the Big Bang. This unique form of gravity depending on its origin could have the possiblity of being interwoven with Baryons or Neutrinos. It would be sort of like how Electricity is interwoven with Magnetism for Electromagnetism, but instead Baryons/Neutrinos interwoven with this theoretical "gravity"(Dark Matter). It supposedly makes up like 90% of the Universe and well of course gravity exists everywhere. Does anybody know if it is indeed possible that Dark Matter could actually be a unique force of gravity rather than matter?

MS in INDIA

Posted: 18 Jun 2011 11:30 AM PDT

is it worth doing MS in INDIA????

errors in discharge measurement

Posted: 18 Jun 2011 11:13 AM PDT

Engineers please guide me about "discharge measurement and common errors in discharge measurement"

needed help

Posted: 18 Jun 2011 09:12 AM PDT

hey friends,
i need some new ideas related to Electrical and electronics group for my mini project
i have some but we can't make them possible with this technology so give me some new ideas i am saying new please don't give running or already done projects as we think some times and gets many ideas
actually what my problem is if i don't have any new idea my guide will give my batch some new topics and make us done but i don't like it
so, give me some ideas i will add some features and try it as my mini project if no idea about your thought please give some hints i will try to know them
so finally i like to say please Help me

decoding a game need help

Posted: 18 Jun 2011 09:11 AM PDT

hi
i want to decode a data(DAT) file of the game to see the source code of the game to fix it glitches and bug please help is there any kind of software to see the source code



thank you:)

Major Project

Posted: 18 Jun 2011 08:11 AM PDT

i m final year project please help me out in selecting some topics for my major project....

Replacing Bearings

Posted: 18 Jun 2011 07:40 AM PDT

When exactly should we replace the bearings of vehicle wheels? How to know whether bearings are to be replaced? What exactly/How exactly ball bearings work in Cars and other vehicles?
Refer: Hstuffwork... I want some discussion to understand clearly.

coding matter please help

Posted: 18 Jun 2011 07:35 AM PDT

i am trying to write and read a simple program using these codes. writing code seems to work fine,it prompts for data and after it terminates properly.but the reading code only give me the error "file could not be opened". I am using visual studio 2008 express. thank you!!

writing code

#include <stdio.h>



int main(void)
{
int account;
char name[30];
double balance;

FILE *cptr;
if ((cptr=fopen("clients.dat","w"))==NULL){
printf("hello world");
}
else{
printf("enter the account details\n");
printf("enter EOF\n");
printf("?");
scanf("%d%s%lf",&account,name,&balance);
while(!feof(stdin))
{
fprintf(cptr,"%d%s%.2f\n",account,name,balance);
printf("?");
scanf("%d%s%lf",&account,name,&balance);
}
fclose(cptr);
}


return 0;
}

reading code

#include <stdio.h>
#include <conio.h>

int main(void)
{
int account;
char name[30];
double balance;

FILE *cptr;

if (( cptr = fopen("clients.dat","r")) == NULL){
printf("file cannot be opened\n");
}
else
{
printf("%-10s%-13s%s\n","Account","Name","Balance");
fscanf(cptr,"%d%s%lf",&account,name,&balance);
while (!feof(cptr)){
printf("%-10d%-13s%7.2f",account,name,balance);
fscanf(cptr,"%d%s%lf",&account,name,&balance);
}
fclose(cptr);
}
getch();
return 0;
}

patterns in java

Posted: 18 Jun 2011 07:26 AM PDT

can any one help to write a java code using patterns for the below project
i'm not able to start the project plzzz help me

you will have to simulate the spawning of antfarms in a meadow, battles between ants of different species etc and finally one ant queen conquering all antfarms as per the functional and technical requirements detailed below. You need to implement this assignment in Java. If any of the technical requirements are not adhered to in your implementation, the assignment will not be evaluated.
Functional Requirements:
1. A meadow can have many ant farms in them. For this assignment, only ever allow one meadow to take place.
2. A meadow should be capable of spawning a logically unlimited number of antfarms.
3. An antfarm should be comprised of a network of antfarm rooms.
4. An antfarm should have rooms for spawning more ants.
5. Ants should be able to battle other ants. When they do, the loser of the battle should die (it's antfarm can no longer command it), and the winner of the battle should get the attributes of the ant.
6. An antfarm should only have one species of ant. Each species should have some kind of bonus to them. Perhaps they harvest food faster. Perhaps they have a higher chance to kill other ants.
7. If a member of an ant colony kills the queen of another colony, the killer's queen should assume control of the dead queen's population of ants. all ants should now also have the attributes of both species of ant. (So if one species was strong, and the other species was efficient, now both populations are merged into a single population that is both strong and efficient.)
8. Ants should have to rest every so often. When they do, they should consume food. An antfarm should be limited in capacity of how many ants can rest at a time based on the number of rooms (X amount per resting room).
9. The simulation should end when, at the end of a tick, there is 1 or less active colonies/queens. This means you should spawn at least 2 colonies before your first tick.
10. Rooms in the Antfarm should require a certain (probably large) number of worker-ticks to build. So, if it would take 1 worker 100 ticks to dig a room, it would take 50 workers 2 ticks, etc. But there should be a significant cost to building a room, since rooms determine how much you can rest. (This requirement added in spec revision 1.)
Technical Requirements: (Design patterns bolded)
1. The Meadow class MUST be a singleton.
2. An antfarm should be a built by building rooms into an antfarm. (Builder pattern)
3. Drones and Warriors should only be created with the factory pattern by AntRooms, and Queens by the factory pattern by Meadows for purposes of a new colony.
4. Use the decorator pattern to keep track of an ant's attributes.
5. The simulation should be tick-based. (Mediator pattern) Each tick, every ant (in a random order) should perform some action based on its surroundings. Drones should look for food, warriors should hunt enemies (or go back for food if hungry) and queens should spawn an egg.
Interface requirements:
The interface to the ant farm should be a command line interface with the following commands:
Summary I - should give a summary of colony I. A summary gives information about that colony.
Example summary 1 might give the following output:
Output:
Species: Killer
Workers: 14
Warriors: 10
Ant Kills: 18
Colony kills: 2 (2:Pansy 4:Gatherer)
Ticks alive: 143
Status: Alive
Example summary 2 might give the following output:
Output:
Species: Pansy
Workers: 4
Warriors: 0
Ant Kills: 2
Colony kills: 0
Ticks Alive: 25
Status: Killed by 1:Killer

How to maintain the height of all the columns using div ?

Posted: 18 Jun 2011 07:10 AM PDT

hello friend's
I need some help from css experts.
Actually i want to create a dynamic 3 column page whose middle column varies according to the content in them.But the problem is that i am not able to maintain the height of all the columns.
It's a simple thing to do by using table but i want to do it using div.
Any idea how this can be done ?

does reversing the polarity of inputs to an adaptor affects its working????

Posted: 18 Jun 2011 05:30 AM PDT

hey friends,my 12V adaptor was not working properly.on opening it i found that just input connections are needed to be soldered,so i did.but soon i connected it to supply,supply switch got a spark.......
i dont knw what's the reason,and wht to do now.whether i soldered input terminals reversely???????or there is some another cause.............plz help CEans,i need to fix it today.thanks in advance.:)

gre help

Posted: 18 Jun 2011 05:26 AM PDT

hello guys i need help with gre preparation and application procedure??

Anatomy of a house

Posted: 18 Jun 2011 04:27 AM PDT

STAAD.foundation

Posted: 18 Jun 2011 04:15 AM PDT

This video will provide an overview of STAAD.foundation and explain how it integrates all common footing designs including spread (isolated) footings, strip (combined) footings, pile cap arrangement and design, octagonal footings and mat foundations.

STAAD.Pro 2007

Posted: 18 Jun 2011 04:11 AM PDT

This video will provide an overview of STAAD.Pro and explain how it works in conjunction with other programs such as STAAD.foundation, Bentley AutoPIPE, Bentley Structural and RAM Connection.
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