--- Log opened Sat Jan 21 00:00:11 2017
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06:02 < kanzure> hrm
06:05 < JayDugger> Hmm..
06:08 < kanzure> .tw https://twitter.com/reshmapshetty/status/822452908226707456
06:08 < yoleaux> We're excited to welcome the @Gen9Bio team to @Ginkgoo ! Our thirst for DNA is endless :) http://www.prnewswire.com/news-releases/ginkgo-bioworks-acquires-leading-synthetic-dna-provider-gen9-300393701.html (@reshmapshetty)
06:08 < kanzure> gen9bio got acquired
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06:15 < kanzure> .title https://news.ycombinator.com/item?id=13447741
06:15 < yoleaux> ZeroVM: Virtualization based on Chrome's NaCl | Hacker News
06:30 < chris_99> hmm i thought NaCl was a crypto project
06:32 < chris_99> ah this is native client
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07:28 < kanzure> music https://www.youtube.com/watch?v=Z6ih1aKeETk
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08:27 < kanzure> .title http://www.bionet.ee.columbia.edu/hackathons/ffbh/2017
08:27 < yoleaux> Fruit Fly Brain Hackathon 2017 | Bionet
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10:34 < gnusha_> https://secure.diyhpl.us/cgit/diyhpluswiki/commit/?id=c020cce7 Bryan Bishop: transcript: ken hayworth and verifiable brain preservation >> http://diyhpl.us/diyhpluswiki/transcripts/verifiable-brain-preservation/
10:35 < kanzure> http://diyhpl.us/wiki/transcripts/verifiable-brain-preservation/
10:35 < nmz787> sup
10:36 < kanzure> electron microscopy stuff in above
10:39 < chris_99> nmz787, did you get your sem working btw?
10:39 < gnusha_> https://secure.diyhpl.us/cgit/diyhpluswiki/commit/?id=c127f884 Bryan Bishop: typo fix >> http://diyhpl.us/diyhpluswiki/transcripts/verifiable-brain-preservation/
10:39 < gnusha_> https://secure.diyhpl.us/cgit/diyhpluswiki/commit/?id=c1493f1d Bryan Bishop: include tweeter link >> http://diyhpl.us/diyhpluswiki/transcripts/verifiable-brain-preservation/
10:41 < nmz787> haven't got the new diffusion pump oil yet, ordered last weekend though, so maybe today... there's been a lot of weather related disruptions in travel
10:42 < nmz787> chris_99: I need to try getting that spectrometer I bought working today, for the first time
10:43 < nmz787> a friend who I've worked with on an xray detector wants to try passing a stripped TOSLINK fiber optic through the wall of the vacuum chamber... coating one end of the fiber in phosphor, and the other end into a detector
10:43 < chris_99> heh interesting
10:43 < nmz787> that way any electronics are outside the vacuum, for easier debugging
10:44 < chris_99> and move the fibre inside?
10:44 < nmz787> idk if the signal loss over the length of the fiber will have negative affects
10:44 < nmz787> nah it will be stationary under the beam and workpiece
10:44 < chris_99> wouldn't it only really give you an on/off kind of output
10:44 < chris_99> with a single fibre?
10:45 < nmz787> I'd expect you can transmit varying brightness over it
10:45 < chris_99> yeah true, i'm confused what you'd use it for though, as it'd be only a single pixel right
10:46 < nmz787> yeah, idea is to acquire relative x-ray emission/dose
10:46 < chris_99> ahh
10:46 < nmz787> phosphor converts them to visible
10:46 < chris_99> so you'll fiddle with the kV of the xray tube?
10:46 < chris_99> and monitor ouput from the phosphore
10:47 < nmz787> almost
10:47 < nmz787> except the 'fiddle with kV of xray tube' is actually
10:47 < nmz787> .wik pixe
10:47 < yoleaux> "Particle-induced X-ray emission or proton-induced X-ray emission (PIXE) is a technique used in the determining of the elemental make-up of a material or sample. When a material is exposed to an ion beam, atomic interactions occur that give off EM radiation of wavelengths in the x-ray part of the electromagnetic spectrum specific to an element." -- https://en.wikipedia.org/wiki/PIXE
10:48 < chris_99> ah wait , so this isn't a std. x-ray tube, which use thermionic emission don't they?
10:49 < nmz787> or .wik Auger effect
10:49 < nmz787> .wik Auger effect
10:49 < yoleaux> "The Auger effect is a physical phenomenon in which the filling of an inner-shell vacancy of an atom is accompanied by the emission of an electron from the same atom. When a core electron is removed, leaving a vacancy, an electron from a higher energy level may fall into the vacancy, resulting in a release of energy." -- https://en.wikipedia.org/wiki/Auger_effect
10:49 < nmz787> nah, this is in a Focused Ion Beam
10:49 < chris_99> oooooh
10:49 < chris_99> fancy
10:50 < chris_99> so this is the x-rays released from ions hitting stuff?
10:50 < kanzure> brain blood volume should be replaced with non-blood during sleep, such as to reduce hypoxia
10:50 < nmz787> so the ion smashes, electrons and ions explode outward in all directions (idk how true 'all directions' is), and then they re-smash into nearby atoms (electrons can travel a good way before stopping, substance and eV/energy depending)
10:51 < nmz787> and eventually electrons convert to photons
10:51 < chris_99> oh complex!
10:55 < chris_99> so you don't get any photons emitted from the first collision?
11:02 < nmz787> you probably do
11:02 < nmz787> maybe trying this fiber-to-spectrometer would be interesting to try without the phosphor
11:03 < chris_99> theres also a type of crystal they use on gamma ray spectrometers i think, that they use over dental x-ray sensors
11:04 < chris_99> to convert x-rays to vis light
11:06 < chris_99> www.ebay.co.uk/itm/262424266781
11:06 < chris_99> had that bookmarked for a while
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11:13 < nmz787> what is PG(Ag)... Ag is silver, what is PG?
11:15 < chris_99> could it mean https://en.wikipedia.org/wiki/Platinum_group
11:15 < yashgaroth> phosphate glass presumably
11:15 < chris_99> Ag is part of platinum group
11:15 < chris_99> oh wait
11:15 < chris_99> maybe it's not
11:16 < yashgaroth> "This is phosphate glass by silver activated PG(Ag)"
11:16 < chris_99> ah
11:16 < chris_99> cheers
11:22 < chris_99> the seller also has - www.ebay.co.uk/itm/Cloud-chamber-Wilson-chamber-/252727475775 i'm confused how that can possibly work without cooling
11:43 < nmz787> huh, that is really cool
11:43 < chris_99> the chamber or..?
11:44 < nmz787> "* - I added about 0.1ml of alcohol into the hand pump. And tracks began appearing after few push-release cycles (see images)
11:44 < nmz787> "
11:44 < nmz787> yeah the chamber :)
11:44 < chris_99> but that doesn't work afaik
11:44 < chris_99> you need to chill it
11:45 < nmz787> seems like it wouldn't be too hard to make
11:45 < chris_99> i tried to make a peltier chamber, but it didn't get cool enough
11:45 < nmz787> using alcohol?
11:45 < chris_99> https://www.anfractuosity.com/projects/cloud-chamber/
11:45 < chris_99> yeah
11:45 < chris_99> iso
11:45 < chris_99> you can see ice on the peltiers
11:46 < chris_99> but still wasn't cool enough possibly the plastic insulated it maybe
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11:48 < nmz787> maybe it's just cold enough in russia?
11:48 < nmz787> :P
11:48 < chris_99> lol
11:48 < chris_99> maybe
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11:50 < chris_99> apparently the radioactive boy scout died recently :(
11:56 < streety> September apparently
11:57 < chris_99> mm
11:58 < streety> reading from http://arstechnica.com/science/2016/11/this-fall-the-radioactive-boy-scout-died-at-age-39/
11:58 < streety> some of teh quotes are really interesting
11:58 < streety> "The NRC gave me all the information I needed," he later recalled. "All I had to do was go out and get the materials."
11:59 < chris_99> the channel 4 documentary is interesting if you haven't seen it
11:59 < streety> the NRC official assured "Professor Hahn" that the "real dangers are  very slight," since possession "of any radioactive materials in  quantities and forms sufficient to pose any hazard is subject to Nuclear  Regulatory Commission (or equivalent) licensing."
11:59 < streety> thanks, I may add it to the list
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13:29 < nmz787> ok, got a win XP virtualbox instance running, installing spectrometer software now...
13:29 < nmz787> WINE didn't work
13:29 < nmz787> now I gotta research logging the USB traffic that I'll pass through from the USB-to-serial converter
13:37 < chris_99> why do you need to log the usb traffic?
13:48 < nmz787> so I can write a python library ;)
13:50 < chris_99> ah neat
13:50 < chris_99> you know you can use wireshark
13:50 < chris_99> for usb
13:59 < nmz787> yeah, that's what I'm trying to do
13:59 < nmz787> know a good guide?
13:59 < nmz787> this one is not as helpful as I'd like https://wiki.wireshark.org/CaptureSetup/USB
14:00 < chris_99> the mount usbmon thing is the main thing really
14:00 < chris_99> then i just chose usbmon0 or something when capturing
14:00 < chris_99> s/mount/modprobe
14:01 < chris_99> but if you're doing the capturing within vbox in windows i'm not sure sorry
14:02 < kanzure> chris_99: where did you end up with re: electrowetting?
14:04 < chris_99> kanzure, im still a bit confused wrt the electrodes, whether the droplets do need to overlap the electrodes, i assume they probably do though, i'm going to work on converting a python script i made to generate an arbitrary sized matrix for electrowetting
14:04 < chris_99> ive got an electrophoresis psu that can do ~250V so i'll have to play with that
14:04 < chris_99> on stripboard
14:04 < chris_99> or something
14:05 < kanzure> script is generating the pcb design?
14:06 < chris_99> yup
14:09 < kanzure> usbmon docs http://lxr.linux.no/#linux+v2.6.27.7/Documentation/usb/usbmon.txt
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14:38 < kanzure> "international committee on taxonomy of viruses" http://www.ictvonline.org/
14:49 < nmz787> got packets capturing
14:49 < nmz787> now to look into python USB I guess
14:50 < chris_99> is there a python interface to libusb or something
14:51 < chris_99> or does this just create something like /dev/ttyUSB
14:51 < nmz787> err
14:51 < nmz787> wait, yeah
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15:26 < nmz787> hrm, well the spectrometer works pretty well in the VM
15:27 < nmz787> seems pretty sensitive
15:27 < chris_99> woo
15:27 < nmz787> my first attempts with pyserial and what I saw in wireshark didn't really seem to work though
15:38 < kanzure> if the company is evil then they might have made up a protocol with replay attack prevention
15:51 < kanzure> http://diyhpl.us/~bryan/papers2/bio/genomes/viruses/timestamps/virus-timestamps.tar.gz
15:51 < kanzure> http://diyhpl.us/~bryan/papers2/bio/genomes/viruses/timestamps/virus-timestamps-all.tar.gz
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16:33 < chris_99> heh http://hackaday.com/2017/01/21/remote-controlling-a-dog/ is pretty funny
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16:45 < chris_99> TIL theres a tonne of different phases of ice
16:50 < kanzure> and water
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16:54 < chris_99> mm
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19:37 < superkuh> open rtms list has been overrun by pseudo-science idiots and persinger delusionals. :(
19:37 < superkuh> I liked it better when it was just dead for 10 years.
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19:38 < kanzure> i noticed recently; i thought your email was very restrained.
19:41 < superkuh> I've received a couple emails from others trying to respond to the list but just sending it to my personal email instead. They're even worse than what has hit the list.
19:53 < kanzure> we should probably try not to associate with things that voluntarily call themselves god helmets
19:53 < kanzure> i mean, in one aspect, this is asking for trouble of all kinds
19:55 < superkuh> Yep.
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--- Log closed Sun Jan 22 00:00:12 2017