July 2009

New Synth cabinet

July 30, 2009

I recently spent some time learning how to refinish/finish wood properly. Up until recently I would just bung on some varnish and call it a day – but there’s a lot more too it than that. WoodCraft put me right on how to apply dye/stain/toner to match one wood finish to another. I’m also trying [...]

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Scientists create a real green laser…

July 28, 2009

You may not know this, but green lasers are actually 2 stage infrared lasers that have the frequency doubled (and the wavelength halved) into the green part of the spectrum. They are only about 6% efficient, whereas red and blue lasers are “pure” lasers. BUT… [Via Slashdot on Ars Technica:] “Ever wonder why projector systems [...]

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A few video clips of Jarre’s latest harp…

July 17, 2009

I just found these clips on youtube… A couple of things I noticed, one is the flare on the camera lens when he breaks a beam. This manifests itself as a vertical broken line – due to the pulsed or scanning nature of the harp. Another thing is he sometimes seems to hesitate before selecting [...]

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Nikola Tesla’s birthday

July 10, 2009

Today is the birthday of Nikola Tesla, I just wanted to preserve the neat logo that Google did today… And my attempt to recreate one of his devices… Hopefully the Google lawyers won’t come get me… Hang on, there’s somebody at the door…

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