Recent content by TheChemist

  1. TheChemist

    How can Li-Po's blow up and how does one prevent it?

    Nickel metallic hydride and lithium iron phosphate batteries aren't necessarily more safe than lithium ion batteries, although their voltage and current tolerances tend to be higher depending on the specific electrochemistry. Statistically, the number one cause of lithium battery explosions is...
  2. TheChemist

    USB touchscreen monitor on the cheap?

    As long as you get a DisplayLink USB monitor (I think they make touchscreen models as well), there's been a pretty ok driver in the mainline Linux kernel since 2.6.38. The name of the module is udlfb. If you really wanted to feel like an OMG1337HAXOR you could bypass X entirely and use libdlo...
  3. TheChemist

    Anyone else having trouble accessing MR?

    Same here, but only with Firefox. Chrome seems to be fine...
  4. TheChemist

    SS and ßeta get it done

    Next time we do it we can use air pressure to keep bubbles from forming. We can use some of that cheap gas from Home Depot we saw on Friday.
  5. TheChemist

    Commission needed! Acrylic embedding

    There are a lot of DIY resin molding products out there. A friend of mine once wanted to cast a fishing lure out of acrylic, but he would always end up with a ton of air bubbles. I suggested he try casting under high pressure, so we built a little pressure chamber that he would pressurize and...
  6. TheChemist

    Interest in an OpenPandora-like device?

    How exactly would you define "durable?" Carbon fiber has both a high compressive strength and tensile strength. Carbon fiber sparsely intercalated with a polymer would look pretty sick, and provide a similar expected impact failure mode to plastic. :cool:
  7. TheChemist

    casting my own plastic sheets

    Rather than trying to shape the plastic thermally, depending on the type it might be easier to dissolve it, press it flat, then reconstitute the plastic. ABS will dissolve in many common volatile organic solvents like acetone, and with a little research you could likely apply the same...
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