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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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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