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Viewing profile — sornen

sornen

HN member
Joined
Sat, Jun 28, 2014, 6:40 AM UTC
HN karma
8
Public activity
8 items

About sornen

sornen

Recent public activity

  1. comment
    Comment #40871478

    Chalmers in point 2 is not saying to imagine such a world, but that such a world is logically possible. Chalmers gives as an example of a logical impossibility a male vixen since i…

  2. comment
    Comment #40436353

    To illustrate what can be done with the BOSL2 library for openscad this can add 3 "diamonds" to the RIGHT, FWD, and TOP direction of a square, with the RIGHT and FWD diamond's corn…

  3. comment
    Comment #40435143

    Another option is the BOSL2 library for openscad which has align, attach and anchor operations and many other useful operations and parts.

  4. comment
    Comment #39749805

    In the case of sunlight exposure to UVB an equilibrium is reached where the amount vitamin D produced in the skin equals the amount destroyed by UVB. This does not happen if you po…

  5. comment
    Comment #36183211

    This was about 10 years ago but here in New Zealand I found someone who could repair and replace the rubber so my 30 year old infinities are as good as new.

  6. comment
    Comment #27684147

    The tiling window manager in popOS is well thought out, has intuitive key bindings. As a former i3wm user I find it a significantly better.

  7. comment
    Comment #20762196

    The light that is required to increase vitamin D production is UVB. The Penn State researchers used a pulsed UVB source for their research. Lower frequency light will not activate …

  8. comment
    Comment #18893127

    The problem here is that UVB levels, required for vitamin D synthesis, decrease dramatically before 9am and after 6pm, whereas UVA does not. The best option for vitamin D synthesis…