4 years ago
The small satellite mission I worked on in College, the Radio Aurora Explorer launched last night! The first ground station to make contact was in Honolulu, Hawaii, and we started getting our first packets from our ground station in Ann Arbor early this morning.
If you happen to be an amateur radio operator with packet radio equipment, you can join the ground station network!
This is Michigan's first satellite, and the first satellite funded by the National Science Foundation. Find out more if you're interested at rax.engin.umich.edu .
5 years ago
Heading out on a drive from Ann Arbor to Maker Faire in California today!
This last semester, I took a class at Michigan called Cloud Computing in the Commute, a joint venture between a couple of professors here and some Ford engineers. The task was to build interesting social applications that can run on the prototyped computing system which will eventually make it's way into the production Ford Fiesta.
We built CaravanTrack, a way for people to road trip together. It shows the other cars in your group on the map, their fuel levels and speeds, lets you search for nearby food and gas stations and let others know where you plan to stop.
Our group won the class competition at the end, and the prize is taking the American Journey 2.0 with the Ford engineers we got to work with during the course. We're taking I-80 west through Ann Arbor MI, Chicago IL, Omaha NE, Boulder CO, Reno NV and ending in San Mateo CA.
The American Journey site has both the University of Michigan road trip site and the Ford road trip site. On our's, you can add points of interest you know of along our route, and they'll show up in our application as we're driving. On Ford's, you can put together a road rally for us to follow by adding interesting places to visit in one area.
The car the Ford engineers will be driving is a 2011 Fiesta nicknamed AJ. It has software loaded that will send tweets depending on the vehicles "mood". If you're driving quickly, winding around roads, and moving through traffic well, the car will be happy. If you're sitting still with the wipers on, that might call for a sad tweet.
American Journey 2.0
AJ's twitter page
AJ's facebook page
Crunchgear's article on the trip
5 years ago
Hopefully there are some audio folks here who might have an idea.
I have a set of Altec Lansing speakers and subwoofer for my computer. I don't know the model number exactly, but here's the manual to a model that seems to be it or very close to it:
When I plug the subwoofer into power, it puts out an obnoxiously loud humming noise. I've tried it in a couple of different power strips and I get the same problem. It doesn't even need an audio source or the speakers plugged into it, and starts as soon as it powers up. I've been able to pull the back cover off the sub and take a look inside, but nothing looked out of the ordinary. My view is limited though, the cables are glued to the board that comes out and limits how far I can pull the part out.
The sub plugs into the computer through the standard stereo out jack on my motherboard, then the two satellite speakers plug into ports on the sub itself.
This may or may not be relevant, but I have felt over the last few weeks I've had to turn the volume on the speakers up slightly louder in order to get the same sound, but that is completely subjective, and may have just been due to environment changes I didn't notice.
Thanks in advance!
EVERYTHING Valve is on sale for $99 (including latest and greatest Left 4 Dead). You can get it here:
This includes all the Half-Life games, TF2, TF: Classic, Ricochet, Portal, Everything Counter Strike, Left 4 Dead, DoD, and DoD:Source, pretty much everything Valve has ever made. You save about $130 over buying individually. You get to gift anything you already have to a friend. Hop to it Valve fans. :-D
I'm sure lots of you use Pidgin for chatting. If you've upgraded to 2.5.0 and are having crashes when bringing up the tooltip of an away AIM buddy. The problem has been identified and fixed. Just download the updated DLL and place inside your main Pidgin folder (usually C:\Program Files\Pidgin).
The fix won't be officially in until Pidgin hits 2.5.1 which may still be a few weeks away, so if you want to fix the crashing now, here's the way to do it.
Generated PHP file is here:
Snapshot (which I've been trying to load from) is here:
I'm trying to get Google Maps to work by placing plane markers on the map (that part is easy) but I can't for the life of me read the XML file I created with PHP. For now, I'm just trying to pull the first element out of the first pilot and echo it to the status box, but it keeps coming up blank (or null, in Internet Explorer's case).
Here's the page:
I recently made my first car purchase, a 2003 Chevy Malibu from a private owner. It has 130,000 miles on it, and is an automatic transmission, front wheel drive.
I've noticed that around 45-50 MPH, the road noise picks up suddenly and is quite loud. It could be that I just can't hear it below 45, and other noises are droning it out before then. I'm fairly certain it doesn't have anything to do with RPMs, I can slow down with the sound changing with speed, I can drop the car into neutral and rev the engine up to 3000 RPM without noticing any difference in the sound as I'm rolling down the road.
It's tough to describe the noise in text, but its kind of a rolling rahrahrahrahrah, very cyclic, and comes in time with the wheels rolling.
I don't feel a pull to either side of the road when driving, and the wear on the tires is pretty well even, so I don't think its alignment.
Today, I had the car up on the jack and was able to spin the tires a bit. (I put the car in neutral to spin the front) There isn't any play in the wheels (which I've read can be an indication of a bearing failing) but there is a slight scraping noise on 3 of the four wheels as they spin. The scrape always comes when the wheels are at the same angle of rotation.
On the front wheels only, there is a slight "winding" noise, like the one you would hear if you were winding up one of those little cars that zip across the table, but I assume this is because they're connected to the transmission.
I believe, although don't have the tools to check, that the slight scraping sound is a brake rubbing. I know the basics of getting around a car, common problems and such, but I'm certainly no expert, and most of my knowledge comes from my Dad doing the little bit of work he did on our cars.
I feel like the noise I hear up around 45-50 is too low a pitch for brakes, but I'm not sure what else would be causing the noise. Besides the slight scraping noise and the winding explained earlier I didn't hear anything while spinning the wheels.
So, do I just need to get in and adjust the brakes? Or does anyone think there is something else more "sinister" () at work here?
Thanks a lot everyone,
The problem will be apparent when you look at the site.
I have a news box floated to the right, inside the content div that holds all the stuff in the left hand column. The text wraps around the news box just fine, but I can't figure out how to keep the background on the <h2> section from overlapping.
Relevant parts of CSS below (You can of course see the entire thing at the site):
background: url("images/theme/head2Corner.png") top left no-repeat #666666;
margin:10px 5px 0 5px;
border: 1px solid #666666;
padding: -1px -1px 0 -1px;
margin: 10px 10px 0 0;