Nonlinear Device Puns

I was reading about https://qrper.com/2020/09/an-introduction-to-the-usdx/

The basic idea behind Class E nonlinear amplifiers is that transistors have little loss when they are switched fully on or off. The losses occur when devices are limiting power flow in linear amplifiers. The idea behind a Class E amplifier is to use transistors in a switching mode to generate a square wave to drive a resonant circuit to generate RF power.

This method is used in the popular QCX QRP CW transceiver kit line developed by Hans Summers and sold through QRP Labs  https://qrp-labs.com/.  More than 10,000 of these great transceiver kits have been sold (I built one). There is a good discussion of the circuit and particularly of the class E amplifier in the excellent QCX documentation https://www.qrp-labs.com/images/qcx/assembly_A4-Rev-5e.pdf.

The QCX was the base for the QCX-SSB which starts with a QCX and modified the circuit and software to add SSB capabilities. The wizardry that  Guido accomplished uses pulse width modulation of the PA supply voltage to control the amplifier in an Envelope Elimination and Restoration (EER) technique  https://core.ac.uk/download/pdf/148657773.pdf. To generate SSB a DSP algorithm samples the  audio input and performs a Hilbert transformation to determine the phase and amplitude of the complex signal.  The phase changes are transformed into temporary frequency changes which are sent  to the  clock generator. This result in phase changes on the SSB carrier signal and delivers a SSB-signal with the opposite side-band components is attenuated.

Am I reading this correct to say that there the possibility of Class E amps for legal limit usage?

I don't want to step on anybody's toes here, but the amount of non-dad jokes here in this subreddit really annoys me. First of all, dad jokes CAN be NSFW, it clearly says so in the sub rules. Secondly, it doesn't automatically make it a dad joke if it's from a conversation between you and your child. Most importantly, the jokes that your CHILDREN tell YOU are not dad jokes. The point of a dad joke is that it's so cheesy only a dad who's trying to be funny would make such a joke. That's it. They are stupid plays on words, lame puns and so on. There has to be a clever pun or wordplay for it to be considered a dad joke.

Again, to all the fellow dads, I apologise if I'm sounding too harsh. But I just needed to get it off my chest.

This is a link post for https://escapingflatland.substack.com/p/learningsystem

Civilization is kept afloat by a massive, decentralized body of often unseen knowledge.

This dark mass is made up of innumerable pieces of know-how accumulated by people mostly stumbling around, observing each other and the way things work. It's what's lodged in the head of the East German handyman that knows whom to bribe (and how) to get West German spare parts. It's the idiosyncratic thought patterns and norms picked up by the students of Gerty and Carl Cori, who won the Nobel Prize in 1947, six of which went on to win the prize in turn. It's your two-year-old learning the local language.

Since this body of knowledge is hard to quantify, and often even hard to spot, we tend to not think about it as deeply as it deserves. Talking about learning, and how to improve it, we often limit our discussions to the legible subset of knowledge transmission channels – that is, schools and universities. But as important as those institutions are, the education system plays only a minor part in knowledge reproduction.

As Lester Thurow argued in Education and economic equality: “Most actual job skills are acquired informally through on-the-job training after a worker finds an entry job and a position on the associated promotional ladder.”

This informal process, whereby job skills get picked up at work, social skills in friend groups, and language at home, is where virtually all knowhow is passed on. Education is the visible white tip kept up by this submerged iceberg; it is a formal order kept afloat by an informal one. Education cannot function without decentralized pathways of knowledge transfer, yet it often ignores them, and competes with them for resources.

As James Scott has observed:

>The more highly planned, regulated, and formal a social or economic order is, the more likely it is to be parasitic on informal processes that the formal scheme does not recognize and without which it could not continue to exist, informal processes that the formal order cannot alone create and maintain.

In this essay, I'm going to look at the body of the iceberg – the decentralized processes that create and spread knowledge. To disting

Do your worst!

I'm surprised it hasn't decade.

Published Patent Application to Improve Stability and Performance of Lightwave's Proprietary Polymers for Internet-Based Applications with Silicon Foundry Partners

ENGLEWOOD, Colo., Jan. 3, 2022 /PRNewswire/ -- Lightwave Logic, Inc. (NASDAQ: LWLG), a technology platform company leveraging its proprietary electro-optic polymers to transmit data at higher speeds with less power, today announced the publication of its patent application 20210405504A1 by the United States Patent and Trademark Office (USPTO) – entitled 'Nonlinear Optical Chromophores Having a Diamondoid Group Attached Thereto, Methods of Preparing the Same, and Uses Thereof' – which significantly improves the overall stability and performance of the Company's electro-optic polymers.

The materials chemistry invention is to advance the performance of the Company's electro-optic chromophores and their use in high-speed electro-optical modulators, which are designed to drive data rates 2-3x faster and with 2-3x lower power than incumbent technologies in-use today.

Specifically, the chromophores are designed to have one or more diamondiod molecular groups  attached to the chromophore. When such chromophores are dispersed in a host polymer matrix, the electro-optic materials result in improved macroscopic electro-optic properties, increased poling efficiency, increased loading as well as increased stability of these materials after poling.

The impact of the technology disclosed in the published patent application is significant in that it will accelerate the path for very high-speed, low-power electro-optic polymers to be implemented into large foundry process development kits (PDKs) to boost performance of integrated photonic circuits.

Dr. Michael Lebby, Chief Executive Officer of Lightwave Logic, commented: "This patent application conveys the world-class work being done at Lightwave Logic. This significantly increased performance from a chemistry and materials standpoint allows us to keep our focus on partnering with silicon foundries and seamlessly integrating our electro-optic polymers.

"In technical terms, this chromophore is important because it represents a class of materials that has extraordinary electroptic properties such as high poling efficiency and high r33. Importantly for sil

For context I'm a Refuse Driver (Garbage man) & today I was on food waste. After I'd tipped I was checking the wagon for any defects when I spotted a lone pea balanced on the lifts.

I said "hey look, an escaPEA"

No one near me but it didn't half make me laugh for a good hour or so!

Edit: I can't believe how much this has blown up. Thank you everyone I've had a blast reading through the replies 😂

It really does, I swear!

Virginia Woolf (1882 – 1941) was an English modernist writer who studied classics and history at King's College, worked as a journalist in London and published her first novel at the age of 33.

Woolf made use of the stream-of-consciousness technique which was still highly experimental in the 1920s. Her nonlinear approaches to narrative, exerted a major influence on the genre. Aside from her novels, Woolf is also known for her letters and diaries as well as her essays on literary and social theory.

Novels:
1915: The Voyage Out
1919: Night and Day
1922: Jacob's Room
1925: Mrs Dalloway
1927: To the Lighthouse
1928: Orlando: A Biography
1931: The Waves
1933: Flush: A Biography
1936: The Years
1941: Between the Acts

Long essays:
1929: A Room of One's Own
1930: On Being Ill
1938: Three Guineas

We are going to read To the Lighthouse since it received the most votes (132 points). This book revolves around the Ramsay family and established Woolf as a leading writer of the 20th century.

The book is divided into three sections:
The Window 19 chapters (41,577 words)
Time Passes 10 chapters (5,737 words)
The Lighthouse 14 chapters (22,021 words)

The text is in the public domain (AU). You can copy it to your device [from here] (https://gutenberg.net.au/ebooks01/0100101.txt).

We are going to ease into it by starting with the first 10 chapters (~75 pages) so that those of you who want to get a physical copy can catch up.

Schedule:

Sun, Dec 12: The Window: Chapters 1-10 (20,070 words) ~75 pages
Sun, Dec 19: The Window: Chapters 11-19 (21,507 words) ~80 pages
Sun, Dec 26: Time Passes & The Lighthouse (27,750 words) ~100 pages

You don't need to have any prior knowledge to participate in this read-along. This is not a conventional novel, so I would suggest not to bother too much if you don't understand a whole lot. Just let the prose flow over you. There will be snippets and themes that you will pick up and we will be able to talk about those.
Looking forward to the discussion!

They’re on standbi

Because she wanted to see the task manager.

Pilot on me!!

Nothing, he was gladiator.

Dad jokes are supposed to be jokes you can tell a kid and they will understand it and find it funny.

This sub is mostly just NSFW puns now.

If it needs a NSFW tag it's not a dad joke. There should just be a NSFW puns subreddit for that.

Edit* I'm not replying any longer and turning off notifications but to all those that say "no one cares", there sure are a lot of you arguing about it. Maybe I'm wrong but you people don't need to be rude about it. If you really don't care, don't comment.

When I got home, they were still there.

What did 0 say to 8 ?

" Nice Belt "

So What did 3 say to 8 ?

" Hey, you two stop making out "

I won't be doing that today!

[Removed]

Where ever you left it 🤷‍♀️🤭

This morning, my 4 year old daughter.

Daughter: I'm hungry

Me: nerves building, smile widening

Me: Hi hungry, I'm dad.

She had no idea what was going on but I finally did it.

Thank you all for listening.

There hasn't been a post all year!

You take away their little brooms

It was about a weak back.

Hello everyone,

I've been using Pop_os for some time now (21.04, upgraded from 20.10) and found out that dota 2 runs way worse on vulkan than on opengl even though when I start it, it says that vulkan should perform better.

My PC specs are as follows:

CPU: Intel i5-9400f,

GPU: Geforce 2060

16 gb ram and a 512 m.2 ssd (shouldn't be relevant here).

I run dota 2 on 1400p with almost every setting maxed (ran without issues on windows with a very high framerate (160fps++) all the time.

On linux with opengl I get about 80-140 fps depending on the amount of units / effects on a screen but with vulkan I get 40-100 and it's much more often 40fps, what's more is that moving the screen if very jittery.

Here's my nvidia-smi output:

Sun Nov 21 11:26:50 2021

+-----------------------------------------------------------------------------+

| NVIDIA-SMI 470.86 Driver Version: 470.86 CUDA Version: 11.4 |

|-------------------------------+----------------------+----------------------+

| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |

| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |

| | | MIG M. |

|===============================+======================+======================|

| 0 NVIDIA GeForce ... Off | 00000000:01:00.0 On | N/A |

| 42% 33C P5 14W / 170W | 946MiB / 5931MiB | 16% Default |

| | | N/A |

+-------------------------------+----------------------+----------------------+

and top lines of my vulkan-info:

==========

VULKANINFO

==========

Vulkan Instance Version: 1.2.162

Instance Extensions: count = 18

===============================

VK\_EXT\_acquire\_xlib\_display            : extension revision 1

VK\_EXT\_debug\_report                    : extension revision 10

VK\_EXT\_debug\_utils                     : extension revision 2

VK\_EXT\_direct\_mode\_display             : extension revision 1

VK\_EXT\_display\_surface\_counter         : extension revision 1

VK\_KHR\_device\_group\_creation           : extension revision 1

VK\_KHR\_display                         : extension revision 23

VK\_KHR\_external\_fence\_capabilities     : extension revision 1

VK\_KHR\_external\_memory\_capabilities    : extension revision 1

VK\_KHR\_external\_semaphore\_capabilities : exte

One of the hot areas in the dielectric materials research is the creation of porous coordination polymers with the ability to control dielectric permittivity based on the choice of linkers and metal nodes involved. The ultimate goal is the development of coordination polymers with tailored properties for possible applications like piezoelectricity and ferroelectricity as well as mentioned in the title switching of the dielectric response.

The assembly of components for electronic devices motivates the research on materials with reversible electric response changes on account of their extensive application in the fields of data signal processing, ferroelectrics, piezoelectrics, and the like.In this regard, it is common knowledge that switchable and tunable dielectrics, due to their convertible dielectric properties between low and high dielectric states (commonly known as dielectric switching), are performing a significant role in the field of optoelectronics. Moreover, switching can be focused not only on the dielectric property but also can touch upon nonlinear optical responses.

Switchable compounds, which can exist in two different stable states with different physical properties of optical, magnetic, electrical or mechanical origin are extremely useful as the next generation of sensors, and in so-called smart applications. Although it may sound counterintuitive, the switching of physicochemical properties of compounds is not a rarity. Indeed, many materials that feature hysteresis-like loops of physical properties, like magnetic susceptibility hysteresis loops or P-E hysteresis loops observed in ferroelectrics can be considered “switchable”.The research on bistable materials has been extended recently to molecular compounds that exhibit bistability at the same time in several physical channels, including electrical, nonlinear optical, magnetic. This allows more flexibility in the design of devices.

Ferroelectric materials exhibit electrical polarization that is spontaneous and bistable and which is able to be altered by stimulus of an electric field.They are excellent systems to study materials that have many switchable physical properties since Ps can respond to external stimuli to produce numerous properties, including piezoelectricity, pyroelectricity and second harmonic generation. Recently, the discovery of molecular ferroelectrics has generated immense amount of attention, and a handful o

Why

It’s pronounced “Noel.”