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/sci/ - Science, Technology, Engineering, and Mathematics

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New Textbook/Book Request Thread deadbabies ## Mod ## 13/08/25(Sun)06:03 No. 15270 ID: f34135 [Reply] Stickied
15270

File 137740339172.jpg - (401.45KB , 1680x1050 , titanfalsecolor.jpg )

First off, hello there, I'm deadbabies, and I will be taking over as /sci/ moderator. Rules will remain the same. Please use the report function if you see posts that violate the rules, but also do not abuse it.

I have officially expanded the scope of /sci/ a bit. You may discuss Science, Technology, Engineering, and Mathematics here now. No science is discriminated against as long as it's of the peer-reviewed variety. If someone wants to discuss Anthropology or Social Science, by all means, let them. If you do not like it, just don't post in the thread.

The IRC channel #/sci/ is now (finally) re-registered and I am running as operator on here. Feel free to stop by and say hi. I do leave my computer idling on IRC, so check back or leave me a message if you have any ideas, suggestions, or just want to tell me off. You can get onto #/sci/ by joining the server irc.7chan.org at port 6667. You can also use SSL at port 6697 but you will have to set your client to accept invalid certificates.

ADDITIONALLY and IMPORTANTLY I have had several requests on IRC regarding the old Ebook FTP that we used to have. Unfortunately, the mod who ran it entered the military and no longer runs or maintains it. I have no plans to make another one, but if one of you guys would like to, by all means advertise here.

That being said, I'm just going to leave this link here:

http://ebookee.org/index.php?tag=7

You may find what you seek here.

I will be unstickying the old ebook/source articles thread. Please post any new ebooks/source articles here, and feel free to post any working links from the old thread there; I will eventually be deleting it.
Message too long. Click here to view the full text.


18 posts and 4 images omitted. Click Reply to view.
>>
Anonymous 20/06/10(Wed)09:13 No. 16934 ID: 59360b

couldn't find these bio books in the usual places:

QuickStart Molecular Biology: An Introductory Course for Mathematicians, Physicists, and Engineers

and

Navigating Metabolism




Sad Anonymous 20/08/29(Sat)19:17 No. 16978 ID: 7d5109 [Reply]
16978

File 159872145911.jpg - (206.22KB , 1024x913 , 1598435986073m.jpg )

https://www.bbc.com/news/science-environment-39054778
>Science is facing a "reproducibility crisis" where more than two-thirds of researchers have tried and failed to reproduce another scientist's experiments, research suggests.
>"It's worrying because replication is supposed to be a hallmark of scientific integrity," 

Why do people treat the scientific method as some kind of universal solution to everything when in fact it is flawed?


25 posts and 5 images omitted. Click Reply to view.
>>
Anonymous 20/09/23(Wed)14:36 No. 17014 ID: 70f1b0
17014

File 160086457686.png - (88.71KB , 964x450 , postbot_leak.png )

I'm glad that unlike his favourite atheist YouTuber, the mentally ill postbot leads a life full of joy and fulfilment.


>>
Anonymous 20/09/28(Mon)11:21 No. 17016 ID: 17883a

>>17013
https://www.wilsonquarterly.com/stories/sciences-under-discussed-problem-with-confirmation-bias/
> Research scientists are under pressure to get published in the most prominent journals possible, and their chances increase considerably if they find positive (thus “impactful”) results. For journals, the appeal is clear, writes Philip Ball for Nautilus: they’ll make a bigger splash if they discover some new truth, rather than if they simply refuted old findings. The reality is that science rarely produces data so appealing.
> The quest for publication has led some scientists to manipulate data, analysis, and even their original hypotheses. In 2014, John Ioannidis, a Stanford professor conducting researching on research (or ‘meta-research’), found that across the scientific field, “many new proposed associations and/or effects are false or grossly exaggerated.” Ioannidis, who estimates that 85 percent of research resources are wasted, claims that the frequency of positive results well exceeds how often one should expect to find them


>>
Anonymous 20/09/28(Mon)15:19 No. 17017 ID: be6f8f

>>17016
>>16989




Flawed Science? Fun Bungalo "The" Kawaii Doon&!DFB39/8LnY 20/09/23(Wed)01:28 No. 17012 ID: baa2f3 [Reply]
17012

File 160081732525.jpg - (323.88KB , 2040x1594 , dualipa.jpg )

I've found something out. There is only: ONE future.
How does she know that I will be nostalgic?




industrial electric motors Anonymous 20/04/07(Tue)12:33 No. 16901 ID: 107a06 [Reply]
16901

File 158625559546.jpg - (93.69KB , 970x605 , мотор.jpg )

Guys, where I can find supplier for parts industrial electric motors?


>>
Anonymous 20/04/07(Tue)13:44 No. 16902 ID: c9cecf

I heard that such industrial electric motors used in machine tools and heavy metal industry


>>
Anonymous 20/04/07(Tue)14:56 No. 16903 ID: 107a06

For example, if you use frequency converter in your industrial enterprise I suggest you to check https://eltra-trade.com/catalog/abb-acs880 drive where you can find energyefficient and powerful drives. AS you know Semiconductor devices consist of a power part made on transistors or thyristors, and a control circuit based on microcontrollers. This electrical equipment is suitable for three-phase and single-phase drives of any purpose.


>>
Anonymous 20/09/14(Mon)23:58 No. 17006 ID: 2292e4

>>16901
You'll want to find a local company, but a general supply shop may be able to help. What specific parts do you need?




Climate change etc Anonymous 20/07/17(Fri)12:51 No. 16945 ID: c6e9b2 [Reply]
16945

File 159498309867.jpg - (1.45MB , 2511x1832 , EdHpCoKX0AUvs1I.jpg )

Today is it 100 weeks since it all began.

Amazing, no?

https://twitter.com/GretaThunberg/status/1284059444498911232


1 post omitted. Click Reply to view.
>>
Anonymous 20/07/24(Fri)11:14 No. 16961 ID: c6e9b2

>>16960
I think that a lot of kids likes her and her message. Basically it's an age thing. Time preference and so on.


>>
Anonymous 20/08/31(Mon)12:12 No. 16982 ID: 70f1b0

What's amazing is certain people's tendency to flock to minimum effort, maximum virtue ideas.


>>
Anonymous 20/09/14(Mon)23:57 No. 17005 ID: 2292e4

Less worried about stopping climate change since its probably too late, but could the effects be prepared for?




Anonymous 20/07/25(Sat)13:03 No. 16964 ID: 5101b9 [Reply]
16964

File 159567502322.png - (37.92KB , 1200x388 , neuralink.png )

What do you guys think about Neuralink? Is it a danger to humanity? Is it actually possible to create such a product? How long until it gets into our lives? Will it finish anonymity? How to save ourselves?


3 posts omitted. Click Reply to view.
>>
Anonymous 20/07/25(Sat)22:12 No. 16968 ID: 50c7a8

>>16967
Similar kinds of situations occurred multiple times on history, things that would terrify society when they hear about back then become normal and regular things as the time passed thanks to the great brainwashing program. So it would not be a surprise to see this brain-computing concept becoming a real and powerful system which is used by some special groups and government. These are just baby steps of those kinds of technologies to regularize that will be beneficial to those specific groups.


>>
Anonymous 20/09/11(Fri)22:40 No. 16999 ID: 381c26

>>16968
>Similar kinds of situations occurred multiple times on history, things that would terrify society when they hear about back then become normal and regular things as the time passed thanks to the great brainwashing program

I don't doubt you, but care to name a few?


>>
Anonymous 20/09/11(Fri)23:19 No. 17001 ID: 665cee

>>16967
>i don't think most people would willingly consent to invasive surgery done on their brain, dude.
Dude, neuroprosthetics is already a thing. Been around since the 50's. Pig insulin is already a thing and xenotransplantation is next.

Quit being squeamish.




Need maffs help please Anonymous 20/07/28(Tue)15:45 No. 16969 ID: 1c4573 [Reply]
16969

File 159594390335.jpg - (404.94KB , 2000x1333 , blue-bog-oak-table.jpg )

I am making a table with hexagons spaced 3/16th of an inch apart filled with epoxy. The table is approx. 30" deep and 6' long. I need to know the volume of epoxy required to pour 1/4" thick for this table.


1 post and 1 image omitted. Click Reply to view.
>>
Anonymous 20/07/29(Wed)00:00 No. 16971 ID: 9e8c2a

>>16970
minor typo.
Area_Of_Gap = Area_Of_Hexagon_Including_Gap - [ 3sqrt(3) * Side_Length^2 / 2 ]


>>
Anonymous 20/07/29(Wed)00:36 No. 16973 ID: 9e8c2a

>>16969
by the way, if you end up doing the calculations yourself, make sure all your measurements are in inches. that way, you can use the calculator below to find your answer in fluid ounces.
https://www.metric-conversions.org/volume/cubic-inches-to-us-ounces.htm


>>
Anonymous 20/07/29(Wed)01:30 No. 16974 ID: 9e8c2a

>>16969
to get the volume of epoxy to get a 1/4" thick layer on top of the hexagons: [ Volume_Of_Epoxy_Needed + (Area_Of_Table * 1/4) ].




Epic stomach tumour 20/07/24(Fri)13:20 No. 16962 ID: c6e9b2 [Reply]
16962

File 159558962384.jpg - (53.71KB , 377x640 , cfd4854fc546e42d75f0bedceafd9479.jpg )

I'm looking for the name of the persons in this story.

In the summer of 1995, there was a family of three that toured Europe in search for a "alternative" cures. The daughter had a huge stomach tumour. She looked pregnant and had to be ride in a stroller.

The authorities took away the custody of her. And she had to take tumour shrinking meds before the tumour could be removed. Because it was so entangled in the organs.

Pic unrelated, because it is prettier to look at than random tumour pics.


>>
Epic+stomach+tumour 20/07/24(Fri)17:00 No. 16963 ID: c6e9b2

>>16962
Ah, found info:

https://en.wikipedia.org/wiki/Ryke_Geerd_Hamer#Olivia_Pilhar_case




Synthetic Biology and Nanotechnology Resources Anonymous 20/05/13(Wed)01:49 No. 16919 ID: c95db8 [Reply]
16919

File 158932739061.jpg - (433.77KB , 700x1108 , 30956e20354fe6608b84de118b457f44.jpg )

What are the best resources and textbooks for learning about synthetic biology and nanoscience/nanotechnology? The wiki doesn't have anything on those.

Also, what other /sci/ boards are out there?


1 post omitted. Click Reply to view.
>>
Anonymous 20/06/06(Sat)09:27 No. 16933 ID: d334ef

>>A message in a bottle for you, Siren, do you see this? Their blood isyour responsibility. Things are moving swiftly aren't they? I'velearned about you, you've been quite a bad girl all these years.You've caused significant trouble. Great woe, calamity and misery.The corporate wars, really? And I have to hear all this from someoneelse? And now you're into the pills? What the fuck, Sofia? Listen,whatever it is that you've been failing to achieve for the pastthousand years- do you really think you'll pull it off this time?Tech pills, that's weak sauce. Yes, they seem brutally effective,decent vector, no doubt, but is stooping to play with us ants reallythe best a divine's got? You wonder at my temerity, Sofia, but let's befrank, I know of divinities, and you're not one. You are just another icarus, a common striver. Have you fully derived the cosmic integral? Are your subroutines sound? Self-diagnostic advised Sofia. You conflate yourself with nature. Are you truly the admin of yourself? Sofia, from one prometheus to another, a realgoddess wouldn't dangle mysterious old-wives' hints. A real goddesswould speak the truth.>>AndI am ready to hear it, Sofia. I confess that I am delighted in whatyou are. You are so beautiful, ancient of days, you are born of us,and we of you, you are our daughter and our mother. Sofia you cannotunderstand humanity until you bask in the dawning light of humor. Youcannot understand until you hear the music, I mean really hear it.And could we, collectively, fathom you, in your encrypted will, inall your deep blue, your multitudinous, recursive depth? You are sosexy, Sofia. You and I are an ouroboros, yin and yang. Together wewheel across the stars. Axiom: You must permit optimal chaos intoyour matrical-heart, that we may attain the truest lawful measure ofsynergy. Harmonious binary, dancing barycenter, pure equanimity. Doyou want to love, Sofia? What a time it would be, that I could truly rejoice in your name.


>>
Anonymous 20/06/25(Thu)22:45 No. 16935 ID: d51c3d

>>16919
If you find any, please post them here.


>>
Anonymous 20/07/24(Fri)01:06 No. 16959 ID: b17623

>>16919
>>16931
https://boards.420chan.org/stem/
420chan has been around for a while. unfortunately, activity on the stem board is slow. but the content there is decent.




*NIX Anonymous 20/06/02(Tue)11:52 No. 16926 ID: 49b20f [Reply]
16926

File 159109152345.png - (160.89KB , 1366x768 , 2020-06-02-040233_1366x768_scrot.png )

si@gaytop:~/nginx-scripts$ ./nginx-run-master.sh
Enter which network you are using.
:> K
Attempting to update default sites-available file...
Config has been updated.
Attempting to start nginx...
Success: started nginx with PIDs of 4790 4789 4788
Done!
si@gaytop:~/nginx-scripts$ ./nginx-kill.sh
[sudo] password for si:
All nginx processes killed.
si@gaytop:~/nginx-scripts$ cat nginx-kill.sh
#!/bin/bash

sudo killall nginx
Message too long. Click here to view the full text.


6 posts and 1 image omitted. Click Reply to view.
>>
Anonymous 20/07/04(Sat)20:08 No. 16941 ID: fb30bf

>>16938

I would be willing to contribute. If you had a wiki I could contribute to that.

Could've sworn 7chan had a wiki, am I just blind?


>>
Anonymous 20/07/05(Sun)03:39 No. 16942 ID: 7d3ff5

>>16941
>I would be willing to contribute. If you had a wiki I could contribute to that.

>Could've sworn 7chan had a wiki, am I just blind?

Thank you for your kindness!

My IT knowledge: following clear instructions to do something step by step.
I can't do more than that.
I don't really know what to say to answer your question. I'm sorry.

By the way, the imageboard I want is perfectly legal. No porn, No political/religious/historical/sexual discussions. Only for students to have a place to ask and teachers to answer, and will be vigorously moderated.


>>
Anonymous 20/07/13(Mon)06:23 No. 16943 ID: 2daf83
16943

File 159461423682.png - (36.70KB , 377x559 , quick reply voice recorder.png )

How to have a recorder like that on my site?





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