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Category Archives: Uncategorized
Bees in the yard, must be spring
We hived our three new packages of bees yesterday; the apiary has been expanded from 2 hives to 4. All 4 hives are abuzz with activity; Hive West has its first honey super on, and we’re hoping to get a … Continue reading
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Buzz Buzz
It’s good to have bees in the yard again. We got a couple nice hours this afternoon, and the air was suddenly full of honeybees buzzing around. They’re still getting their bearings, so there’s a lot of bees landing on … Continue reading
CNC Build, Day 28 – so happy! Together!
The CNC build has been stalled out for months. Looking back, I realize that I haven’t really touched it since Thanksgiving (2 full months and some change ago). Thanks to John C in CA’s ingenious idea, I was able to … Continue reading
Posted in Making, Uncategorized, Woodworking
Tagged CNC, Rails, Table Saw, Torsion Box
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Sidereal Time, cont.
I’ve been looking for an electronics project, so I’ve been dredging up old shelved ones, and sidereal time made it back into my consciousness. I posted about this last year, but decided to add some more thoughts. First, according to … Continue reading
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Robotics competition
I volunteered at the US FIRST Robotics competition last weekend. High school teams have 6 weeks to design and build a robot from a given kit of parts, the robots then play a game determined by FIRST; this year was … Continue reading
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Polar Coordinate transformations in 3D
In 2d, converting a theta and radius (in circular polar coordinates) into a cartesian X and Y, are performed via the following functions: x=cos(theta)*r; y=sin(theta)*r; In 3d, a phi angle is added to the spherical polar coordinates and converting theta, … Continue reading
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