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

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There's a new /777/ up, it's /gardening/ Check it out. Suggest new /777/s here.

Movies & TV 24/7 via Channel7: Web Player, .m3u file. Music via Radio7: Web Player, .m3u file.

WebM is now available sitewide! Please check this thread for more info.

Microsoft Edge Anonymous 16/11/08(Tue)04:49 No. 16376 ID: 57a468 [Reply]

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Serious opinions about this new browser?

And I want honest opinions and not those entirely based upon the fact that a past iteration of the engine was not good. Like all things, they can improve or get worse.

Anonymous 16/12/15(Thu)13:00 No. 16399 ID: 75c683

It's garbage.

Anonymous 17/01/18(Wed)18:33 No. 16420 ID: 3bc715

It's trying entirely way too hard to be 'good', also it spawned an endless cascade of edge jokes, and I am not fine with that.

replacing speaker with 1/4" jack chrissychris 16/12/19(Mon)21:09 No. 16401 ID: 8ed2cc [Reply]

File 148217815616.jpg - (110.29KB , 1000x1000 , 7chan post photo.jpg )

Alrighty, I am looking for some help.

For the sake of experimentation and fun, I'd like to replace the speaker of a shitty kids toy (very similar to the one in the pic) with a 1/4" audio jack so it can play through a larger amp, possibly even through guitar effect pedals.

I've already tried this twice. Taken apart the toy, soldered in a 1/4" jack, and plugged it in. Both times I ended up with a reallyyyy spotty and quiet sound. At first I thought it may be a bad soldering job, but now I feel like it could be due to the low power of the toy, it takes 3 AA batteries.

So what's the deal here? Any ideas what could be wrong?

Anonymous 17/01/01(Sun)23:02 No. 16405 ID: 67f38c

It has nothing to do with the electrical power. Real electric guitars don't have any batteries. The issue could be that the amp is designed to work with the signals from a guitar's pickup, which are probably not the same as the signals from a speaker. If I had to guess, the pickup would be taking the signals from each string individually, while the speaker from this kid's toy is taking the entire sound as a whole.

It's also possible that the teeny-tiny magnet in that speaker just isn't strong enough to send a strong signal. I'm not sure what you could do about this.

Cool little Simulator CometCrazy 16/12/27(Tue)01:31 No. 16402 ID: ec6349 [Reply]

File 148279866422.jpg - (45.39KB , 1271x601 , CometCrazy.jpg )

Check out this cool simulator

watch as the snowman comes back to life jsnap 16/11/29(Tue)02:28 No. 16393 ID: 2af0d7 [Reply]


PISA 2015 A SNEAK PREVIEW /sci/ Volume Anonymous 16/11/26(Sat)05:48 No. 16389 ID: 9ed66a [Reply]

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Here’s one update to discover on 6 December when latest results from PISA are made public


Anonymous 16/11/26(Sat)05:49 No. 16390 ID: 9ed66a

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Anonymous 16/11/26(Sat)05:50 No. 16391 ID: 9ed66a

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Anonymous 16/11/26(Sat)05:51 No. 16392 ID: 9ed66a

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warbeast Anonymous 16/11/12(Sat)04:38 No. 16377 ID: 779e7a [Reply]

File 147892188039.jpg - (229.34KB , 900x296 , insect_musicians_tibi-prui_WH_WHITE.jpg )

let's say i have the materials and technology needed to create a biomechanicaL warbeast based on a cicada. i want it to be able to blast out 194 Db waves of pure fuck-you-up. but also be able to use different frequencies and amplitudes of sound for different things too.

so, what's the best way to go about making it?
how would it work?

Anonymous 16/11/15(Tue)00:46 No. 16383 ID: 7f4ba3

who hurt you anon?

Reference books of basic Mathematica Daniel M 16/06/27(Mon)07:31 No. 16332 ID: 358ff9 [Reply]

File 146700546292.jpg - (58.08KB , 600x600 , image.jpg )

I want to learn mathematics. The next year I'll start a career of Pure Mathematics and I have a lot of years (5 aprox.) of neet. I'm looking for books to learn the topics about Mathematics in High School, alegbra and trigonometry, what else? If you can give me reference, please.

Anonymous 16/06/27(Mon)23:09 No. 16333 ID: e667c6

google NAVEDTRA books.

Anonymous 16/06/28(Tue)13:44 No. 16334 ID: 8be421

Any textbook will really work. Khan Academy is a good online source for getting ahead. Best of luck

Anonymous 16/10/14(Fri)12:54 No. 16366 ID: 1f1505

You will want Calculus, Linear Algebra, Differential Equations, Partial Differential Equations, Discreet Mathmatics, Complex Variables, Proofs, and Abstract Algerbra. There may be others but I can't think of them right now.

Anonymous 16/10/11(Tue)02:33 No. 16361 ID: 30b7a0 [Reply]

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Yooo, OnChip is maybe considering doing a crowdfunding thing for making a Devboard for a RISC-V MCU. Sounds kind of expensive at their estimate of 90 dollars a board, but I'm interested in RISC-V and if they do it I'mma get one. Curious if the chip will be packaged or if it's going to be wirebonded directly to the board like their current prototype board... https://twitter.com/onchipUIS/status/785328697133953024

Anonymous 16/07/18(Mon)19:24 No. 16345 ID: 7c58b3 [Reply]

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Does anyone else like programming, but hate the classes they have to take in Computer Science?

Anonymous 16/08/15(Mon)21:03 No. 16349 ID: 75c683

Fucking, yes, so boringggggggg.

Anonymous 16/09/03(Sat)09:49 No. 16359 ID: e3ecf4

My teacher is probably the best and most well liked in the school, so I love them.

Can someone please explain this "science matrix wtv" bullshit, t Anonymous 16/08/23(Tue)11:27 No. 16355 ID: eecf77 [Reply]

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