Live data from Hacker News

Viewing profile — dr_coffee

dr_coffee

HN member
Joined
Fri, Dec 16, 2016, 2:50 PM UTC
HN karma
136
Public activity
31 items

About dr_coffee

No profile information was provided.

Recent public activity

  1. comment
    Comment #49144931

    It was US Treasury Secretary Scott Bessent https://www.reuters.com/world/asia-pacific/bessents-to-do-li...

  2. comment
    Comment #47826958

    Richard Feynman’s 1959 lecture “There’s plenty of room at the bottom” envisioned atomic pick and place to build complex nanoscale machines. The lecture is often considered the conc…

  3. story
  4. comment
    Comment #46244040

    The article lists several manufacturers of 4k dumb tv’s

  5. comment
    Comment #45712455

    Amazing that this can be achieved at such a low cost. The DVD optical pickup is truly a marvel of engineering, incorporating fairly complicated optics into such a small space. The …

  6. comment
    Comment #44084198

    what about computational methods? i have always wondered how stacking many short exposures without tracking compares to deconvolution of a single long exposure. it seems that there…

  7. story
  8. comment
    Comment #39235698

    You can just go to view >> web layout in MS Word to get a pageless view. And view >> print layout to go back to pages FYI

  9. comment
    Comment #38076650

    https://www.nature.com/articles/s41586-019-1397-7 this paper came out a few years ago using super resolution fluorescence and dna origami to track unwinding of dna by single helica…

  10. comment
    Comment #31207424

    One important distinction is to understand that VA ECMO is more often used as mechanical circulatory support in cases of severe heart failure leading to cardiogenic shock. Used alo…

  11. comment
    Comment #29352527

    Hackaday has featured a couple of projects featuring the ps3 optical pickup unit. The author of one of the projects breaks out the 40-pin ribbon cable and is able to drive it with …

  12. comment
    Comment #29352387

    https://journals.plos.org/plosone/article?id=10.1371/journal... Heres a decent open source? stage that i adapted for one of my projects in the past. Resolution is 1 micron laterall…

  13. comment
    Comment #28945467

    Was the phosphorescent dye inhaled? What was the physical process responsible for the phase lag? Would love to read more about your device if you ever published your results!

  14. comment
    Comment #22654596

    I really enjoy using Julia too but I have also been disappointed with how the updates have played out. Just a few weeks ago I rolled back my installation from v1.2 to the LTS versi…

  15. comment
    Comment #22464235

    True iodine deficiency is quite rare in the west as many table salts are fortified with iodine. It is extremely uncommon to see people with Goiter in the US. The same goes for thia…

  16. comment
    Comment #21668670

    Building on your comment, I think that while it does help to have high quality cameras and objective lenses, it is always worthwhile to push the limits of how cheap we can go. Ther…

  17. comment
    Comment #21252423

    That is indeed an extreme example, given how matter of factly they teach transposons in molecular bio these days. When we couldn't get a paper published, my old PI would always jok…

  18. comment
    Comment #21223565

    "At least with medical school, Peter said, the job prospects are better. New doctors begin making $60,000 and their salary increases by $20,000 a year during residency." Actually n…

  19. comment
    Comment #20756828

    Do I spy Dear Imgui used for one of the colormap control panels? Love using this for whipping together quick interfaces. https://github.com/ocornut/imgui

  20. comment
    Comment #20702552

    The cell's ability to mechanically sense it's surroundings is fascinating. There is an old paper from 2006 in Cell that was similar to this study in that it showed onencould direct…

  21. comment
    Comment #19724271

    The hypothesis for many prion diseases is that of "seeding" whereby a small number (or maybe even a single) prion protein acts as a template to induce misfolding of other proteins …

  22. comment
    Comment #19276498

    Zotero has been great. I switched four years ago and never looked back. Plugin support is great- I have drag and drop support in my latex editor and fairly easy citation selection …

  23. comment
    Comment #19233101

    This comes at a very important time, with measles outbreaks occuring around the world from Brooklyn to Japan. It is horrible because it puts at risk the lives of those who are too …

  24. comment
    Comment #18333014

    A friend of mine showed me the chemRxiv paper and I realized that although I do research in protein biochemistry, it never occured to me that techniques other than NMR could be use…

  25. comment
    Comment #18127041

    Depends who you ask... I saw David Grier ( http://physics.nyu.edu/grierlab/ ) give a talk in which he said that this kind of optical tweezers doesn't really count as a a tractor be…