Saturday, May 14, 2011

CrazyEngineers Forum

CrazyEngineers Forum

The LIKE Button epidemic and stupid generation.

Posted: 14 May 2011 12:06 PM PDT

This all started from Facebook.

I have been boiling in the inside for a few months now. Two months ago I told some of my friends I will never "Like" any status from now on but reply with a comment. I did but I got "Likes" on the comments I made...

In plain and simple terms clicking the Like button means you are a lazy child who cannot add anything intelligent to a conversation. It is a complete disregard for the original message and the poster.

Now I see this on Crazyengineers forums. It is an insult to engineers and the forum.

Quote:
"You know the LC circuit shown here can bypass above 12 MHz but I am still not sure on its exact envelope."
Quote:
JohnSmith Likes this.
Are you kidding me JohnSmith? You Like the post? Could you not tell me if the information I have given is right or wrong? You could just re enforce the point I made. You can point us to a new idea. At least you can encourage all of us on the whole process. Or can keep your finger off the like button.

So my question is do you think the Like button is creating a generation of stupid and lazy people?

BMW plant in Chennai fully functional

Posted: 14 May 2011 08:02 AM PDT

BMW assembly starts in Chennai!

Wanna buy one ??? read this. :)
BMW Starts Local Engine Assembly - Current Prices To Be Retained - CrazyEngineers

Titme travel in SAMOA!

Posted: 14 May 2011 07:59 AM PDT

People in Samoa are going to travel in time! :mrgreen:

Cannot believe, then see this :) Citizens Of Samoa To Travel One Day Ahead In Time - CrazyEngineers

Now you can make chemical detectors using Nano sensors

Posted: 14 May 2011 07:56 AM PDT

E paper made real

Posted: 14 May 2011 07:54 AM PDT

Five things in Career Perspective

Posted: 14 May 2011 06:24 AM PDT

Five things you should not tell your boss

Full disclosure and transparency are undoubtedly necessary for career success. But in the modern complex corporate scenario, it doesn't mean that your boss should know everything going on in the office. Therefore, if you wish to have a thriving career, you should know certain things that you should never tell your boss.

1. Technology is my forte, no business
You are highly technically skilled as your job demands, but you should never tell your boss that you do not know what the business wants. In fact, some managers expect the IT professionals to tell them how well technology can help the organization to do better business. Your credibility as an employee is better respected when you can present technology in the context of business.

2. One solution for all
You might love certain manufacturer, a technology or a programming language above all, but developing an attitude that one type of solution will fit for all situation is very dangerous. It questions your skills of flexibility which any boss would demand from an employee. With such a stubborn character, you are most likely to be viewed as an obstacle or a roadblock to the progress of the organization.

3.Negative opinion about your colleague
When your team fails to meet a deadline, it's possible that your part may get overlooked as the blame goes on the whole team. But be cautious before you point your figure at your colleague because bosses generally do not enjoying hearing it - especially when you haven't put your best effort. Office politics is inevitable at times, but managers usually do not encourage employees who always crib about others. Of course, you will have to discuss personal issues with your boss at times, but you should be discreet and objective.

4. There's no way
Everything is possible - This is the ideal attitude any manger looks for in his employees. At a time when you have a situation where you think it's impossible to reach a set goal or deliver the goal in the way it has been outlined, you need to have a conversation with your boss before you say - "there's no way out." You need to bring the challenges to the notice of your manager so that he can explore if there is a way forward. You will be surprised by what you can accomplish by letting go of your biases and your boss would love to work with such an employee.

5. Surprise for your boss
Your boss who manages a business with relentless changes, crises and troubles, would not enjoy a surprise from his employees - whether it's positive or negative. Bosses prefer to hear the news directly from their workers regardless of how good or bad the news is. Holding back information from your boss for the sake of giving him a surprise would not help you as most of the managers like to hear the news sooner rather than later.

Source: Five things you should not tell your boss - General news

Five things you should tell your boss

Office politics looks very complex at times where it's very hard for you to differentiate the do's and don'ts in your organization. But there are certain things that enable you to be proactive and a team player and these will create a smooth way ahead for you in your office. There, you need to know which types of information your boss expects you to provide.

1. Tell the truth
You invite a bad reputation for yourself when you hide the problems, hold back information, overpromise and eventually you underperform consistently. Managers expect a clear picture of any given situation so that they can effectively lead and find a proper solution at the earliest. You should use your power of discretion to differentiate truth from your own opinion. Bosses always admire quality communication in their employees.

2. Flesh out your ideas
Bosses generally appreciate fresh ideas that can improve the business, even if they're outside of IT. The fact is that employees are often reluctant to take their ideas to the management fearing the established chains of command. You should take the initiative and gain the courage to take your ideas straight to the top level so that it gets materialized fast.

3. Tell what you want
You can always approach your boss to ask for a shift to a process that you enjoy the most. Unless you let it be heard loud and clear, no one would recognize it. Many managers believe that such approaches by the employees can help in a great way in improving office morale, employee retention, and productivity.

4. Say no
Develop the habit of saying 'No' to what you don't agree. It's always great to say no to projects, technologies, budgets or timelines that you think aren't going to work. Saying no should not be a predetermined decision to obstruct an entire project. Bosses would appreciate your constructive criticism that would help the organization to grow.

5. Share your success
Good news is always welcomed. Your boss would love to hear your success stories than the usual news project setbacks, failed deadline etc. It's wrong to think that what you have achieved is not worth to share. If you have such an attitude, you need to change your mind-sets, share your happiness with others, so that you boost up yourself as well as encourage others too. Moreover, it also helps your management to learn your style of work so that they can apply the best practices.

Source: Five things you should tell your boss - General news

Environmental Air Pollution

Posted: 14 May 2011 05:48 AM PDT

This video lecture series on Environmental Air Pollution by Prof. Mukesh Sharma Department of Civil Engineering IIT Kanpur.

[CE Project] Local Movie Catalog using JAVA and IMDB/Rottentomatoes

Posted: 14 May 2011 05:42 AM PDT

This is a project that has been started on CE - Labs http://www.crazyengineers.com/forum/...ng-imdb-2.html. I am posting here so new members can see it and can take part in it.

Everything that is posted here will be ralevant. CE - Labs link will be updated by proper complete code, anyone can do that.




*******The Project:***********

Problem:

Too many movies on our hard drives without proper information to sort them according to rating, release dates, themes, etc.

Solution:

To do so we need a software that will fetch all the important data from IMDB or Rottentomatoes.com.

The database will update itself using the name of the movie and fill in important columns like IMDB rating, Starring, Directed by, Written by and Category (Horror, Drama, etc).

After the database has been populated we can sort them according to any field (Rating, Directed by, Release date, etc) and have a search function.

*************************

This would now be written in Java instead of Python as planned before.

The first version will be a very basic bare-bones database.

Pour in your suggestions.

RESOURCES:

Rotten Tomatoes API for JAVA:
apirottentomatoes - API for java to access Rotten Tomatoes data - Google Project Hosting

IMDB webservice (limited):
IMDB API, IMDB web service

Java Movie Database:
Java Movie Database

Notes:

There is a software that already does this. Called XBMC : XBMC

It has a few flaws: The catalog is proper however, to play the movie we have use their movie player which does not give us the freedom to use our own player.

Secondly, it is a bloated program with music cataloging and picture cataloging too. about 35 MB.

Water and Wastewater Engineering

Posted: 14 May 2011 04:50 AM PDT

This video lecture series on Water and Wastewater Engineering by Prof C.Venkobachar, Prof. Ligy Philip and Prof. B. S. Murty Department of Civil Engineering IIT Madras.

Android Battery Life Problem

Posted: 14 May 2011 04:38 AM PDT

I've been hearing and reading about the Android Battery Life Problem for quite some time now. I earlier through battery life for most modern Android devices was influenced largely by the hardware and software had little role to play. However, it turns out that the low battery life exhibited by most of the phones is actually Android software problem.

Google's CEO Larry Page says that if you are not getting a full day on single charge, then you surely have a problem. Geek.com reported that they noticed many developers and engineers carried battery charging devices along with them at the Google I/O.

I want to hear from Android hackers and developers about the causes of this problem and possible fixes. I'm aware that installing few apps that cut down processes may save power. A general tip is to turn off all the unwanted features (3G, Wi-Fi, Bluetooth) and turn them on only when required.

Looking forward to your responses.

CrazyEngineers Front Page Redesigned

Posted: 14 May 2011 04:17 AM PDT

CEans,

We've just released the new, redesigned front page of CrazyEngineers. The new redesign has been kept simple and focuses more on latest engineering news. Our authors have been contributing awesome stuff relevant to engineers and we'll now feature all posts on front page. The Small Talk are exclusive and currently released at a frequency of one per month.

We've cut down on JavaScript so that pages load faster. The design in currently in beta and we'll make changes over the next few days.

We look forward to your interaction on VoiCE :) . Your comments are welcome in this thread.

Making a Small Helicopter at Home! :)

Posted: 14 May 2011 03:59 AM PDT

Note: Before you build the actual helicopter you will need to build a simple bending jig (a board with some nails pounded into it) to twist the tongue depressors.

What you need:
2 1/2" long Finnish Nails
Finnish nails are thin and have a small head. They are the same as the one used to build the launcher. Here they are used to make the tongue depressor bending jig.

Small wooden board or short "2 by 4".
This will be the base that the nails for the bending jig go into. This could be just about any scrap of wood or plywood with a flat side that is is at least 3 1/2" by 3 1/2" by 3/4" thick.

Pliers or sturdy needle-nose pliers
These are for bending the nails over on the bending jig.

6" long wooden tongue depressors
These provide the frame of the helicopter. I prefer the wider "senior" tongue depressors because they seem a little sturdier, but I've used the "junior" size too. Look in the yellow pages under "medical supplies" and call around. They usually come in boxes of 1000 but they're cheap and useful for lots of things. You can also try craft stores.

Drill and 1/8" drill bit
If you don't have a drill, you could substitute a nail heated in a fire, held with pliers, to just burn a hole through.

Hot water
It's amazing how you can bend wood and have it retain its new shape by dunking it in hot water first. You will be twisting the tongue depressors so the airfoils have a slant, called an "angle of attack." I like to use water that is close to boiling--using a stove, hot plate or microwave oven--and pull out the tongue depressors with pliers, but you could use hot water out of a tap and soak it a little longer.

Cardboard
Using cardboard to make an airfoil shape makes the tongue depressors go dozens of times higher. I use old breakfast cereal boxes (or poster board of comparable thickness) or milk carton. Cereal box cardboard is easier to bend into shape but it has to be kept dry. It will wilt and weaken even after landing in dew covered grass. Milk carton can shake off water but it's a bit harder to bend and you will need to sand (scuff) the surface where it glues to the tongue depressor. It would probably be best to start with a cereal box.

Scissors, ruler

Electrical tape
This will hold various parts of the airfoil together. Although black is the most common, get red if you can because it shows up if the helicopter lands in tall grass.

Hot glue gun and glue sticks
I prefer the cool-melt kind with the thin glue sticks because you are less likely to burn yourself.

Non-hardening modeling clay.

The weights in the tips of the helicopter use momentum to keep it spinning. Paradoxically, adding weight to the center would just weigh it down, but weight at the tips makes the helicopter go dozens of times higher.

When the weights are spun fast, they are subjected to centrifugal force, (although that is not technically correct) and people underestimate just how strong it pulls on the weights. If not properly contained in the tips of the helicopter, the weights fly out. I use non-hardening modeling clay available from craft stores, mail order or perhaps you could get a little from a sympathetic art teacher.

I have to confess that I did not always use non-hardening clay and I am sure other people will rediscover using coins as weights. They provide a denser mass than clay, they are easy to put in, don't deform and they don't have to be weighed to get the right amount. However, if they are flung out they are really dangerous.

This is a true story. Back in the early days of making helicopters with classes of 9th graders the launchers did not spin the helicopter up above our heads, but rather right in front of our faces. So we used full face protection in the form of a clear face shield. One day, however, I was absent for part of the day, conducting science activities at a nearby elementary school. When I returned to the jr. high school, I saw drops of blood leading to my room. A student stopped me to ask if Eric was all right. I almost fainted.

I learned that although I had left instructions for the substitute teacher to only to show a video tape about flight, my 9th grade students had somehow talked him into letting them go outside and launch helicopters. Furthermore they assured the substitute teacher that no face or eye protection was needed. A coin in a helicopter launched by a student named Eric was flung out. It hit him in the thin skin right next to the corner of his eye. He required 3 stitches. Although the scar is virtually invisible and it was an unforgettable learning experience for everyone, I was so horrified by the incident that for years I didn't do the activity with students. It was only after developing non-hardening clay as a weight that I started it again.

Although we now accelerate the helicopters over our heads, flung out coins would still be a danger to other people nearby, not to mention a threat to windows. I think using coins as weights is a bad idea. Stick with modeling clay.

Triple beam balance (or other way of measuring weight to nearest gram.
This is for measuring 4 or 5 grams of clay for each tip of the helicopter. Science teachers always have at least one. They are fun to use. If you can't find one I'll show you how to make a homemade balance in step 7.

Due to some issues, I haven't posted the article here. Read the full article at BUILDING THE HELICOPTER

Hello

Posted: 14 May 2011 03:53 AM PDT

I am Jijeesh a new face in this forum . About me : Much more interested in Electronics and now working as a H/W Eng. Plz include me too ...

I am a newbie here.

Posted: 14 May 2011 03:06 AM PDT

How are you? I am Elizabeth Ruda a newbie to this community. I am here to introduce myself to all of you. I am very excited to take part of different discussion. I hope I can enjoy my stay here with all your cooperation and suggest.

Thanks and Regards
Elizabeth Ruda p { margin-bottom: 0.21cm; }

Square to sinewave convertor

Posted: 14 May 2011 02:30 AM PDT

Hello everyone,
i have a 312MHz square wave oscillator and want to generate a 312MHz sinewave with it.i am stuck at this point and dont know how to proceed.i googled it but did not get much info,if anyone can provide some circuit or any ic capable of it,that would be very valuable info for me.

Thanks in advance
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