Friday, March 11, 2011

CrazyEngineers Forum

CrazyEngineers Forum

India Vs. South Africa Cricket Match @ VCA Stadium Nagpur 12 March Updates

Posted: 11 Mar 2011 08:45 AM PST

Two awesome teams in Cricket will play against each other at VCA Stadium in Nagpur on March 12. The match is certainly going to be interesting as both the teams are well prepared.

This thread is dedicated to posting your own live comments as the match progresses. Keep watch on this thread and keep commenting.

To set the ball rolling, tell me which team will win the toss? :cool:

PS: Also adding a poll to see what our CEans think about the outcome of the match. Cast your vote in the poll available above this thread.

accelerometer usb mouse

Posted: 11 Mar 2011 07:01 AM PST

HI
my project is air mouse using accelerometer
im struck as to how to send data to comp regarding mouse movement and clicking
im using arduino
plz help

Why are the numbers on a calculator and a phone in reversed order?

Posted: 11 Mar 2011 06:51 AM PST

It is an intriguing question I came across when I was reading something on the internet.
What is your take on the question ?

Designing

Posted: 11 Mar 2011 06:36 AM PST

I was thinking of designing some thing in these summer holidays using CATIA which I recently learned.I want to modify products using it.Does any company offers to design its products to students?

Introduction of Farjand

Posted: 11 Mar 2011 04:42 AM PST

Hi, I am Farjand.
I am in Mechanical branch from last 1 year.I like swimming as I have achieved a gold medal in school.My aim is to do something good and not just remain idle simply doing a job.

written assignments should be banned

Posted: 11 Mar 2011 04:25 AM PST

written assignments should be banned completely. some productive and useful type of assignments like ppts mini projects should be given. what are your opinions? :angry:

Biggest Pen In The World

Posted: 11 Mar 2011 04:15 AM PST

a nagpur based entrepreneur Ajit singh designed the worlds' largest pen. this pen is 29.7 kg in weight and 13.3 feet in height. it can write for 10 kms and has a ball point of 0.045mm. it costs nearly about Rs. 30,000 and refilling takes about rs. 3000. the earlier pen was approximately 11 feet high. :)

Tsunami In Japan After 8.9 Earthquake

Posted: 10 Mar 2011 11:59 PM PST

:( I just saw on television that 8.9 quake has struck on the north east coast of Japan and has triggered Tsunami.

The videos shown are horrible!

What is e-post and how it works ?

Posted: 10 Mar 2011 11:57 PM PST

Hello friend's,
I have to create an e-post application using java.But i didn't have any idea about e-post.
Anybody know what is e-post and how it works....?
:confused:

Powder Metallurgy

Posted: 10 Mar 2011 10:09 PM PST

Whenever you go to market and ask for a part made of alloy (which of course cannot be made by melting and adding to each other) what does the shop-keeper does? Well he simply hands you that part. And how he does it? Now don’t tell me he buys it from a manufacturer. The part is actually made from powder metallurgy. Now ‘powder metallurgy’ is a term which holds innumerable opportunities in industries in future (and of course in present era also).
So, what is powder metallurgy? Powder metallurgy incorporates a use of metallic powders to make products. By using this technology we can actually mix and form practically any composite material. Say for example we can also make self lubricating bearings by incorporating steel with graphite!
The process starts with ‘Blending of powders’ in which the two powders are mixed thoroughly to achieve uniformity in the part.



The next process is 'Compacting'.In this process the powders of metals or required material is then put in a mould and compressed.The force normally applied is around 100 to 1000MN/m2 .The process can be either mechanically operated or hydraulically operated.
The next process then is 'Presintering'. This is done to remove lubricants or binders if any.Product which you obtain after presintering is called a 'briquette' Presintering is nothing but heating the powder in the die so that the mould becomes a little hard to carry around and take the shape of the mould.This process is mostly performed and can be excluded for certain applications.In case of Tungsten carbide ,it is machined after presintering, because tungsten carbide has a property of hardening so much so that it is impossible to harden the product after 'Sintering'.Sintering is carried out mostly in controlled atmospheres.We can achieve final strength by this process. There are many secondary operation like coining,plating,broaching etc.They are done as required.
Well this process is highly automated and precise dimensional tolerances can be met.Labour costs are also saved as unskilled labours can be employed.We can also manufacturesmagnetic cores having special properties.
The advantages are many and disadvantages are few like the raw material i.e.; pure raw material is expensive to produce.There is no existing process which can produce metal powders cheaply.Also they have relatively poor plastic properties as compared to components made up of alloys and metals.
However you can have any material component if you have got this technology.And here lies its importance.

ClubHACK Magazine: Issue 14th, March 2011

Posted: 10 Mar 2011 08:55 PM PST

ClubHACK magazine is the First Indian Hacking magazine.
It focuses on hardcore hacking and security.
What's imp is that it is e-magazine and free!!

The latest issue covers following topics:-
Tech Gyan - Remote Thread Execution in System Process
Tool Gyan - JS Recon: Java Script Network Reconnaissance Tool
Mom's Guide - Choosing Right Secure Mobile
Legal Gyan - Law Related Unauthorized Access
Command Line Gyan - Backup & Bulk Copy
Maruix Vibhag - Introduction Part 1
Poster of the month - An attacker can hit you anytime.

PDF download link:- http://chmag.in/issue/mar2011.pdf

pendrive problem.......... please help!!!!!

Posted: 10 Mar 2011 08:55 PM PST

my transcend 8gb pendrive when connected to the pc gets detected but does'nt get formatted and is not working. when i tried to format it it shows
CAPACITY: 883gb (only one option)
filesystem: exFat(only one otion)
allocation unit size: default unit size

and whenever i try to format it gives error " unable to complete the format"
i have also formatted in dos and storage managment but stil the same problem.
i have formatted even in low level format tool but it gives the seek error.

please provide me the solution.

earlier when it was working i use to format the pendrive either in fat or ntfs and exfat option was not even appearing in it.

Which CITY is good for working in IT sector?

Posted: 10 Mar 2011 08:01 PM PST

Pune, Bangalore and Hyderabad: Which among the 3 cities is better if you are planning for a career in the IT industry ?? Any suggestions plzz ?

Questions related to analog

Posted: 10 Mar 2011 07:32 PM PST

1. define free electrons & valence electrons ( i waana details abt tat )
2. in p-n junction theory , holes are moving or not .. dis s my evergreen doubt so if anybody knows it, tell the answer


-crazyengineer(prakash)

Should TV Reporters 'Risk' Their Lives To Bring Us News?

Posted: 10 Mar 2011 07:05 PM PST

I'm reminded of the 26/11 attack on Mumbai, India by terrorists. All the news reporters were trying to go as close as possible and bring us no important news. After some time, I thought these reporters were laying down on street unnecessarily just to show us that they were 'risking' their lives and create sensation to attract more eye-balls.

This may not really apply to war correspondents who are specially trained to report from the war-field.

In any case, do you think TV reporters should risk their lives to bring us the news?
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