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  1. proslijedio/la je Tweet
    23. sij

    New paper on nanoimprint lithography, electromigration and making electrical measurements on single molecules

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  2. 9. sij

    I'll stick with using PDMS (polydimethylsiloxane) for microfluidics and nanoimprint lithography, thanks.

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  3. proslijedio/la je Tweet
    3. sij

    For some reason, Metroid Prime rendered at 4k with a high res texture pack inside of Dolphin VR so that being in my VR headset == being inside Samus' helmet, is more fun than all of my VR games. It is SO GOOD. And the visuals are so crisp. And it's Metroid!

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  4. proslijedio/la je Tweet
    17. pro 2019.

    the aquarium is held under a slight vacuum

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  5. proslijedio/la je Tweet
    17. pro 2019.

    This is one of the most cursed things I've ever seen: $ python2 >>> import string >>> string.letters 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' >>> help(string) >>> string.letters 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'

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  6. proslijedio/la je Tweet
    8. pro 2019.

    Turbomolecular pumps are used together with a secondary pump to pull very high vacuums (up to 10^-13 atm!) The pumping mechanism only works if blade spacing is < mean free path of air, so the separation and angle of the blades decreases as pressure increases toward the bottom

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  7. proslijedio/la je Tweet
    5. pro 2019.

    “Let’s just walk inside the impedance matching network...”

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  8. proslijedio/la je Tweet
    3. pro 2019.
    Odgovor korisnicima

    I have a result! A 1n4007 does work as an X-Ray detector. Video to follow.

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  9. proslijedio/la je Tweet
    26. stu 2019.

    Fig 1. Electronegativity and Bond Polarity ✏️

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  10. proslijedio/la je Tweet
    24. stu 2019.
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  11. proslijedio/la je Tweet
    9. stu 2019.

    Coccoloba gigantifolia (Polygonaceae) is a newly described plant species from the Brazilian Amazon. It reportedly has largest leaves in the world!🍃 Leaves were measured at >200 cm in length. This photo is credited to the authors and is in the publication.

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  12. proslijedio/la je Tweet
    27. lis 2019.

    Here video from the fib of eucentric tilting to go from milling to cross section imaging. The stage on this thing amazing, it's probably close to 800lbs and it rotating around a few micron point.

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  13. proslijedio/la je Tweet
    27. lis 2019.

    So what do you do when 's sends you a sample of the retroreflectors they use to make their table top AR system? Of course I stick it in a Focused Ion Beam Microscope to figure out how they are made by slicing them in half with a beam of metal. [Thread]

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  14. proslijedio/la je Tweet

    'Tis the season!

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  15. 21. lis 2019.

    First round of wireshark on the Focused Ion Beam microscope yields a in-built scripting command set!

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  16. proslijedio/la je Tweet
    18. lis 2019.

    Here’s our preprint on creating glow-in-the-dark plants. It is hard to find words to describe the fairytale feeling you get from being in a dark room with them. 1/6

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  17. 19. lis 2019.

    Add non-sudo ability to dump packets: sudo dpkg-reconfigure wireshark-common sudo gpasswd -a wireshark newgrp wireshark Capture to a file: tshark -i <bridge name> -w test.pcap -F libpcap Dump data: tcpdump -qns 0 -A -r test.pcap | grep -C 5 <http website URL you visited>

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  18. 19. lis 2019.

    Then give the bridge an IP (untested): sudo ifconfig <bridge name> <ip address> or if your network will automatically assign one via DHCP (worked for me): sudo dhclient <bridge name> Finally to start sniffing on say, port 80: sudo tshark -n -Y "tcp.port == 80" -i <bridge name>

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  19. 19. lis 2019.

    Start the bridge with this: ip addr flush dev <interface 1> ip addr flush dev <interface 2> brctl addbr <bridge name> brctl addif <bridge name> <interface 1> <interface 2> ip link set dev <bridge name> up

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  20. 19. lis 2019.
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