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Dirty Bike Originally uploaded by heinemanfleck. In past years, I’ve suggested that celebrating my birthday by riding my age was a modest goal. Forty-eight miles yesterday (77 kilometers, not sure what it is in metric years) was tough. I could blame the weather, but I really don’t have a lot of miles in my legs …

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ACA sticker

ACA sticker Originally uploaded by heinemanfleck. With three large projects going simultaneously in addition to the day job, I’ve been a bit oversubscribed lately, so I’ve been getting a lot of my bike time indoors on a trainer. It allows me to multi-task, getting some reading done while I exercise. And I do enjoy it. …

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A Greenhouse Calculation

Here’s a lazyweb word problem: John rides his bicycle to work, thus saving a half gallon (1.9 liters) of gasoline, consuming 700 calories in the process. If John replaces those calories by eating beef, what is the net reduction (increase?) in greenhouse gas emissions? If he gets the calories from soy protein? Etc? (Ideally, the …

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Bosque Trail

Bosque Trail I Originally uploaded by Miguel Navrot. My friend Miguel has posted some great snaps of my favorite bit of bike trail in the city, the shaded, secluded stretch of bosque trail south of the National Hispanic Cultural Center.

39-16

I heard a story once about John Coltrane that I’ve always loved. I don’t remember where it’s from, so take this with a grain of salt, but the story was that Coltrane spent his whole life looking for the right saxophone mouthpiece. He had this sound in his head, and he was always looking for …

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