wifi tshirt

In today’s troubled times, it’s a wonder that so many strange ideas can survive. Today’s Strangelet: a T-shirt that notifies you of adjacent Wi-Fi networks. From DigitalInspiration:

The wi-fi shirt, made of pure cotton, can detect wireless networks in your vicinity and displays the signal strength as animated glowing bars as shown in the picture.

It requires three AAA batteries, so this shirt is not for jogging.

Want proof? Doubt the usefulness of such a Tee Shirt? Watch the video!


Nicole Lapin Shows Off Her Wifi T-ShirtClick here for another funny movie.

This is a post I wrote awhile back, but now includes a significant update (see below) that makes the whole thing worthy of re-purposing. Windows and Mac users should stop reading now lest their heads explode.

A Great Wireless Card

Switching to Linux from Windows is no longer as difficult as it used to be. I hope to post a full-fledged guide on switching to Linux in the near future, but in the mean time I would like to address one difficulty that has plagued would-be Linux users for some time: wireless cards and driver support. The persistent problem with Linux is that hardware manufacturers only program for Windows. The Linux community, with all its hacker ingenuity, has overcome this obstacle for most hardware, and big companies such as Intel and ATI have recently come-around and opened-up their drivers. Two problem areas remain, however: graphics cards and wireless cards.

The latter has given me a problem for some time, particularly with our old laptop. Built in cards usually work fine, but those PCMCIA and USB cards rarely include native Linux support. So, to cut to the chase, for all those Linux users out there, let me recommend the ASUS WL-107G. It redefines plug-and-play, which is not one of Linux’s strengths. Seriously, I removed my old card, stuck this in its slot, and with every expectation of needing to poke and proud, was sorely dissapointed to discover that the card in question “just worked.” OpenSUSE (and later Ubuntu) immediately recognized the card, installed the driver, accessed my WPA2-AES network, and was up-and-googling within 30 seconds. Amazing. If I hadn’t spend 2 months trying to get my Linksys card to behave, I would have said something like “Let’s see Windows do that!”

In short, the ASUS WL-107G is a PCMCIA notebook wireless card that runs in Linux, Windows, and Mac. It supports WEP, WPA, WPA2, with either TKIP or AES. In short, it will meet whatever security needs you have, in whatever Operating System you run, and for about $40 less than most other wireless cards with these specifications. If you are running a Linux box, and have had trouble with wireless, this is the card for you.

Important Update: Increase your Speed

For this and other cards based on the ralink 2×00 chipset (the WL-107G uses the rt2500 chipset), you may run into slow internet speeds when you first install. I did in Ubuntu. This is because the ralink drivers for some reason default to a 1 mbs data rate. To fix this, type the following into a terminal:

sudo iwconfig wlan0 rate 54M

You should be operating at normal speeds. You can use http://speed.io to test your speeds before and after marking the change.

Or at least think about it.

While not yet fully “cracked,” WPA is now officially cracking. WPA is a security technology that many businesses, churches, seminaries, and home-owners use to secure their network traffic. It encrypts all data that is sent from your computer to your router so that others cannot read it or tamper with your network. Two researchers have been partially succesfull in cracking this sacrosanct security technology. Read about the technical details here. Here is a more descriptive analysis.

While homes and smaller organizations probably need not worry about this development, larger organizations that deal with sensitive data should consider upgrading their security to WPA2, which is still considered rock-solid safe.

For the rest of us: next time you buy a router or wireless card, make sure it supports WPA2.

This post describes an interesting development over at Redmond.

The new trend among tech-nerds are low-end computers (recently dubbed “netbooks”). The specifications may be “soooo 2006,” but laptop builders can make them super small, super efficient (all-day battery life), and super slick. Pack it full of extras like bluetooth support, wireless internet, and solid-state drives that don’t blink when you bounce them, and you have a fully-functional computer that can go anywhere you do. Oh, and they’re about half the price of a “normal” laptop. These work perfectly in a Web 2.0 world, a world in which most of your data is online anyway, and all you need is a internet connection to access and manipulate it. (If you’re in the market, check out these).

These low-end laptops have Microsoft a little nervous. Why? Because they’re increasingly popular but not really powerful enough to run something as bloated as Vista, and Microsoft wants to discontinue XP. The solution most computer manufacturers (the best for these little comps are Asus, Dell, and HP) have come up with is to use Linux. That makes me happy, since I love Linux, but it makes Microsoft sad.

So the release of a low-level OS designed to interface with webapps is a good move for Microsoft, though it might be too little too late.

There are other opinions about the future of Web 2.0 and cloud computing, however. Check them out here and here.

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