Hi LJs ;) A contest has been running at my university since January 7th. Neat subject: “Retro future”, the future seen from yesteryear. Well the bait got me and so I decided to enter it (hey there’s an iPad [mini,alas] and a few other goodies to be won!). So my idea was to mix up things from different time periods and make it look like a 30s advertisement. I had been saving four 50s Nixie display tubes to make a clock for my father (work in progress which will be po...
Carbide, is often a single word misnomer referring to one or more specific carbide mixtures depending on the context in which it is used. A carbide compound is simply the presence of Carbon and one or more other electronegative materials such as: Titanium (Ti) Tungsten (W) Cobalt (Co) Aluminum (Al) Silicon (Si) Why Carbide is so popular is its distinct characteristic that, when mixed with other components such as Cobalt (Co) and Nickel (Ni), allow its structure to be changed t...
Hi guys. So, to sum it up, this is Chlorociboria, a.k.a. “the mean tiny hulk”: Making nice things to the wood it lives into (right) because of this pigment, the xylindein: Which response to light in the visible spectrum looks like this: And whose picture I was (almost certainly) the first to ever take with a Scanning Tunelling Microscope.Say hello to my little friend: Now how cool is that? :)
Hi guys, So in an effort to gear up my lab stuff, I recently bought a cheap peristaltic pump on ebay to help extract xylindein faster. Relying on gravity sure works, but it’s damn slow. So I filled up a funnel with xylindein-stained sawdust, connected the output to the pump, set the other end of the pump above the funnel for a closed-loop circuit of sorts, dropped enough acetone to soak all the sawdust, and fired the pump for a few minutes. Wow, I gotta tell you, this modus operandi ...
So here it is: the first attempt at determining the temperature at which the pigment produced by Chlorociboria vanishes. This is preliminary data (you never stress it enough!), furthermore testing will be needed to assess the exact way it happens within a seriously controlled setup. The pigment is stable up to 90°C, then it quickly starts to degrade. At around 110°C, half the pigment has lost its color. At 125°C, only 25% of the coloring remains. At 155°C, only 10% of the green is s...
Hey guyzz, So little time these days with all the work at the university. But I finally settled for a while to build a wooden clamp for test tubes to make a first measurement of the temperature at which xylindein, the pigment produced by Chlorociboriae, permanently loses its color. As you all know, sanding wood leads to quite high temperatures at the surface, and I had previously noticed that xylindein was destroyed when bandsawing stained wood with a freakin’ dull blade from hell...
This post is about making the base and its two routed layers. Here I’m routing the air distributing plane, with my Dremel fitted with a tile router base and a downcutting bit, which prevents cutting all the way across the MDF in case the bit comes loose and keeps the edges of the routed channels nice and sharp. I sized my air channels wide enough that I don’t have to be really picky about their exact width, as long as Bernouilli’s law is respected (that’s why...
In this series I will follow the making of a specially-designed box for petri dishes into which I’ll grow Chlorociboria species fungi. I of course could have come with your average box, but as cultivating fungi on agar is quite delicate matter, because of the risk of contamination by airborne molds, I ended up with a forced-air, filtered design for the box, with pressured air provided by a fish tank air compressor, which is quite overkill for the oxygen needs of fungi. After s...
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