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Today I was reading articles from space.com on my Palm. One article concerned the Stardust space probe which is due to come back to Earth on January 15th carrying, what else, stardust that it has collected in space.

The mission is similar to the Genesis probe which also collected space dust and returned to earth. The idea was it would re-enter the atmosphere, deploy a parachute, and then be intercepted gently by a helicopter on the way down to avoid breaking the fragile collection plates sealed inside the probe. Well, the parachutes never deployed, the helicopters couldn’t catch it, and Genesis crashed into the ground at high speed in September 2004, ruining a $264 million science experiment.

Other than “the parachutes failed to open” I had never heard what caused the accident. But they did investigate. There were switches inside the spacecraft that would trigger the release of the parachute by detecting g-forces. At three g’s (as the spacecraft first hit the atmosphere) the switch would engage but not release the parachute until the g forces rose to 30 g’s and then came back down below 3 g’s again when it would be safe for the parachutes to deploy. But the designer at Lockheed put the gravity switch in upside down so the switch saw g’s in the wrong direction and never engaged. But they’re not complete idiots: there was a backup switch. It was upside down too. No one ever caught the mistakes. It would be like putting airbags in your headrest instead of the steering wheel.

Stardust was designed by Lockheed too. Watch out for falling spacecraft on the 15th.

Susan gave me a box of cereal that she didn’t think she would eat before moving (she closed on the old house and new house today without any problems. Yay!). The cereal is General Mills Fiber One Honey Clusters. It scared me because it had the word “fiber” in the title, but I wanted to see where sugar fell in the ingredients. I was surprised how far down the list sugar appeared: wheat, corn, modified corn starch, inulin, sugar . . . That’s number five! But wait a minute, inulin? What is that?

I googled it and found a wikipedia article about it. It is a starch produced by plants including dandelions. But as I was eating my first spoonfuls I got to this paragraph:

>>Inulin is indigestible by human enzymes ptyalin and amylase, which are designed to digest starch. As a result, inulin passes through much of the digestive system intact. It is only in the colon that bacteria metabolise inulin, with the release of significant quantities of carbon dioxide and/or methane. Inulin-containing foods are therefore notoriously gassy and not recommended for the socially sensitive.<<

Long night ahead. The dogs might be sleeping on the sofa.

I didn’t think I was going to make it, but due to some big days at the end of November my Google AdSense revenue reached $100. That’s how much you have to earn before you get a check, though now they do direct deposit. Last time it took a year, but this summer I broke $20 during a few months and was able to reach the mark in five months. I have decided to save up to buy a new iPod. It could take another year or so, so maybe it will be something we can only imagine now. The ideal thing would be a PDA that includes a big hard drive and acts a MP3 player. I carry a PDA all the time anyway, so that way I would always have music with me. It wouldn’t have to be an Apple product actually.

The dejumbler continues to get the most traffic and the most revenue. The car stereo page and the battery pack pages for iPods do pretty well too though. The iPod pages definitely get more revenue for the number of views. I’m getting a total of 7,000-10,000 views per month and a fairly consistent number of monthly ad clicks of around 130, though some days I get nothing and others I might get 10.

I think it’s interesting that I could have made the same amount of money by buying one share of Google at $300 5 months ago.

Today I took Susan to the Georgia Aquarium for her birthday. Though she doesn’t usually like to take MARTA, tonight downtown they were having the Georgia high school football playoffs at the Dome, a Thrashers game at Philips Arena, and the Georgia/Georgia Tech game further uptown, so we opted for public transit. The aquarium is a hike from MARTA, at least a 15 minute walk, at the northwest corner of Centennial Park. Even though I had reserved the tickets before the aquarium opened, we still had to stand in line (though there was a second line for walk-up tickets that was longer) to get through security. I was stopped because I had my swiss army knife on my keychain and no knives or guns are allowed. I tried to talk the guard into letting me go through but she said my only choices were to throw it away, take it back to my car (40 minutes away), or hide it somewhere outside. I finally decided to hide it and picked a spot just outside the aquarium. I came back and thought I could have probably just stuck it in my shoe and she’d have never known the difference. Anyway, it was good hiding spot I guess because it was still there when I got out.

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At Kroger they have Cape Cod brand potato chips that are kettle fried. One of the varieties is a reduced fat version that has 40% less fat. It is kettle fried too, but also baked. I tried them. They seemed just like regular kettle fried potato chips to me except they use little potatoes that yield small (but almost always whole) chips. They don’t come in nearly the variety of flavors (just plain), but they are worth trying, especially if they are on sale. I think they are just as good as the Ettensohn favorite, Krunchers.