Monthly Archives: February 2006 - Page 3

Historic Photographs

It’s important to remember that even in this digital age many resources can still be provided by local agencies. One such example is the photography collection at the Minnesota Historical Society. While not all of their resources are avilible online, many are.

One of may personal favorites is the Northwestern Bell Telephone Company collection. It’s amazing what you can find if you know where to look. On this site you can find photos of everything from power plants to the Alaska Highway Construction to Minneapolis Saloons. What a great resource!

Let’s also not forget that it would be impossible to get such insteresting photographs as the power plant and telephone company photos with the restrictions (real or just imposed by unknowning officials) in place today. Will our modern infrastructure be documented in art such as this for future generations to enjoy looking back at?

Digital Video Self-Help

As more people start producing digital video they have more questions about how to format and convert it. One site with quite a bit of history in helping people with the thorny issues surrounding digital video is VideoHelp.com.

This site started off as VCDhelp.com. As you may recall VCDs (Video CDs) were a popular pre-DVD digital format in Asia but never made a big hit in the United States. The site grew to include SVCDhelp.com and eventually DVDRhelp.com but is now branding as VideoHelp.com.

Here you can find a number of tutorials that walk you through just about any digital video format conversion you can imagine as well as forums, background information and hardware/software suggestions and links. The site is a virtual trasure trove of all things digital video. In my mind there is no doubt that VideoHelp.com and doom9.net are the definitive resources for help with digital video projects. Next time you’re looking for help with one of your digital video projects be sure to take a look at one of these great sites.

Learning Your Preferences

The folks at the Music Genome Project have spent the last six years analizing songs from over 10,000 artists. If you have ever wanted to expand your musical horizons but wanted some good suggestions about what music you might like take a look at their web-based music suggestion utility, Pandora. You start out listing some music you enjoy and the free service will start making suggestions of other music you may like. By listening to and rating these selections the service will start to build a profile of music you would like and theoretically get even better about suggesting new songs and artists. Pretty cool stuff if you ask me. I’m surprised someone like the iTunes store or Amazon hasn’t started licensing this technology as a way to encourage people to buy more music.

The Mac Minitosh

Normally I’m not one for case mods but this is a really interesting one I found. Many people are familiar with the Macquaiums but the folks at destruc.tv have put a Macintosh Mini inside an old Macintosh Plus case. OS X running in a compact Mac case, now that’s something worth mentioning.

PS: Detailed instructions for building a Macquarium can be found here along with photos if finished mods here and here.

Photography is Right

Now more than ever photographers are under fire from government officials to stop taking pictures of “sensitive infrastructure”. Never mind that there is no evidence showing that photography has played an important role
in any terrorist attack in the last forty years. Perhaps more importantly unrestricted photography by private citizens has played a critical role in the fight for civil rights and protecting the freedoms we hold so dear. Much of the harassment faced by photographers is due to a lack of understanding by both the general public and police forces about what is and is not permitted in the United States. In general, if you’re on public property or have permission from the land owner you can photograph anything you want from that location. This has not changed by the implementation of the PATRIOT Act or any other national legislation to date which is a common mistake made by government officials. For a more complete understanding of the laws involved I suggest taking a look at Attorney Bert P. Krages The Photographer’s Right”. For a truly in depth look at the laws and concerns for photographers take a look at Bert’s book “Legal Handbook for Photographers: The Rights and Liabilities of Making Images“.

Unfortunately, many police officers (and even federal agents) fail to understand these rights. One grievous example of this is the story of Ian Spiers, a Washington state resident and photography student, who was harassed by police on two occasions for taking photographs of a local lock and dam as part of a photography assignment. He details his experience on his web site Brown Equals Terrorist. Lest you think this is an isolated case I suggest you listen to the National Public Radio Morning Edition story where they interview several East coast photographers who have also been harassed. The rights of photographers are being trampled from coast to coast and over zealous government officials who seem to have no understanding of the law and little regard for individual rights are making a mockery of the constitution. If you’re interested in this sort of thing one resource where you can stay up to date on the issue is the news site PhotoPermit.org which tracks news stories related to legal issues surrounding photography.

MIT Library Access to Music Project

In November 2001 MIT Student Keith Winstein had an idea to curb illegal file sharing on the MIT campus. His proposal to create a legal library of audio recordings and motion pictures online eventually became known as the Library Access to Music Project (LAMP). To avoid legal pitfalls the system would allow only one patron at a time to access an audio or video recording, just as if the items were actually being checked out of a physical library.

LAMP originally purchased 48,000 MP3 files from a Seattle company and planned to make a remotely controlled stream from those files accessible to students over the MIT cable TV network but in the Fall of 2003 it was announced that the company did not have rights to resell the music after all and the project voluntarily pulled the music while they regrouped. The final (and current) solution was to use a series of donated SteetFire Sound Labs RBX1600 controllers which allow ten consumer audio CD jukeboxes to be programmed over a web interface.

Students can sign in to the LAMP website and program up to thirty minutes worth of music which is subsequently played over one of sixteen MIT cable TV channels. By transmitting the audio in a non-digital format the students are able to use existing licensing agreements originally put in place for the campus radio stations which makes the entire system legal. Essentially this project allows students to program their own thirty minute “radio show” on one of sixteen channels via a web interface.

More information is available at the MIT LAMP web site.

WINS Name Resolution for Linux

Here’s what I had to do to get WINS name resolution working on my Debian based linux:


apt-get install winbind

Note that the winbind program is part of the samba package and I alrady had installed samba and configured it to point to my local WINS server.

I then had to edit /etc/nsswitch.conf adding the winbind and wins entries:


passwd: compat winbind
group: compat winbind
shadow: compat

hosts: files wins dns mdns
networks: files

protocols: db files
services: db files
ethers: db files
rpc: db files

netgroup: nis

I can now ping and connect to Windows machines by name.

When Good Engough Just Isn’t

Mark Gibbs a regular columnist in the trade paper NetworkWorld recently wrote an article lamenting the current lack of quality in consumer electronics. I encourage you to read his article “Digital Lifestyle, Part II“. Not only do I agree with his analysis of this disturbing trend in consumer electronics but I would suggest that it could be expanded to other parts of our life. Americans have become comfortable with mediocrity. I like to call this phenomena the Wal-Mart syndrome. In a continuous effort to get more for less, which any physicist will tell you breaks the first law of thermodynamics, we have put up with increasingly shoddy products. Think for a moment about the products of your youth. Food usually came in glass, paper or metal packaging and I bet that eight track player you bought as a teenager will still work if you pull it out of storage, I know mine does. Now think about the CD player you bought five years ago, does it still work? Assuming it wasn’t supplanted by superior technology chances are it stopped working. How about your TV? Do we even attempt to have these “electronic appliances” serviced anymore? No, the answer is that we simply go any buy a new one.

I first verbally expressed these concerns after coming back from a shopping trip with my parents last spring where they were looking at digital camcorders. My mother was wondering why the prices for the models I was encouraging them to look from the camera store are were so much higher than those at a big box retailer. At that point I realized that what has driven me to “professional” grade electronics is the steep drop off in the past 18 years. Most mass market consumer electronics are just not built and tested in the way they once were. While the decrease in price has made these electronics available to people who would otherwise not have access to them it’s still hard for me to say
that’s a fair trade for the consumer.

The reason I call this the Wal-Mart syndrome is that I believe that discount retailers, and especially Wal-Mart, and largely responsible for this decrease in quality. We have come to expect products to be far less inexpensive than they have been in the past and thanks to pressure from retailers manufacturers have done just that. Certainly, manufacturers have streamlined their practices in an effort to decrease cost but you can only take that so far. At some point the manufacturers started making trade offs in quality to meet retail pricing demands. I feel this is a shortsighted move and flies directly in the face of the reduce, reuse, recycle mantra we all heard in the 1980s. Still more dangerous is that this acceptances of mediocrity is creeping into other facets of our lives such as our educational system. As Gibbs points out in his article there is an entire generation that believes mediocrity is acceptable. What will happen when these youngsters become voters, managers and CEOs? Think about all the times when “good enough” just isn’t.

Calculating Subnets

If you do much network design you’re certainly familiar with the concept of subnetting, you probably even learned to do it by hand at one time. For those who are looking for an automated subnet calculation utility you can find a web-based one which requires no download or installation and supports subnets, supernets, CIDR and wildcards at subnet-calculator.com. The only real concern I have with this great utility is that the source code has not been provided so if the website goes offline you’re out of luck. In the long term timeframe I would like to write an open source version of this utility so anyone can run it on their intranet or another website. If anyone is interested in helping to write the code for this in PHP please contact me and I’ll move it up the list of priorities.

More public domain images

Following up on my earlier links to free NASA photography and NOAA photography is a link to the Wikipedia’s list of public domain image resources. This list contains sites where you can locate images of everything from animals to sports to art to flags. There are also links to other catalogs of public domain images and general collections of public domain imagery.