Category Archives: Knowledge

CNC – parts is parts

Posted on February 14, 2011 by jimbo

I fired up the CNC machine over the weekend. I was trying to figure out how to cut concentric circles in a piece of plywood, and decided that it would be easiest to do it “in software”. The hardest part … Continue reading →

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Real sugar

Posted on September 27, 2010 by jimbo

Coke and Pepsi from Mexico are made with real cane sugar, not high-fructose corn syrup. They taste *totally* different. It’s a crisp, light, refreshing beverage that makes you realize that HFCS just tastes syrupy. I have been having trouble finding … Continue reading →

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Sidereal time

Posted on July 2, 2010 by jimbo

The stars rise about 4 minutes earlier every day, making them seem to march ever-westward across the sky. I received the gift of a real-time clock (RTC) circuit last week, and it got me to thinking about how to convert … Continue reading →

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Podcasts are cool

Posted on February 10, 2010 by jimbo

It’s the second week of the winter pledge drive on NPR, so I’ve been listening to podcasts instead of the radio during the commute. There are full college-level courses for free up on “iTunes U”. I’ve been listening to the … Continue reading →

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Woodworking projects

Posted on August 4, 2008 by jimbo

My wife said that she’d like to come up with a wood working project that she and I can do together. For instance, her Mom and Dad made some little benches that were cute. She thinks it would be fun … Continue reading →

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noisy glow

Posted on July 24, 2008 by jimbo

I like this Photoshop trick to get a noisy glow around the edge of a circle. I use it for icons.

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