Pratica di Shadowing: The weird history of the internet... - Impara a parlare inglese con i video
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In the beginning, there were humans, and those humans captured the power of the skies, put it into rocks, tricked those rocks into thinking, and called them computers.
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But those computers are lonely.
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They can't talk to each other.
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If you want to move data from one computer to another, you write it into a magnetic tape, walk outside, get in your car, light up a dart, and drive it across town.
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This is called the sneaker net, and for about 20 years,
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it's the fastest network on Earth. and scare Americans.
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In a panic, the US government creates an agency named ARPA to ensure that they would never be big dorked again.
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A few years later, a guy at the RAND Corporation named Paul gets handed a military problem.
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The Air Force wants to know how its command
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and control links could survive a nuclear first strike and stay alive long enough to order a counter -strike.
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The phone network of the day runs on circuit switching, where two machines reserve one dedicated end -to -end line for the whole conversation,
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break any link in the chain, But Paul is smart.
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He comes up with an idea.
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What if instead of a dedicated line, you slice the message into small chunks called packets, stamp each one with its own destination address, and let them scramble across the network independently,
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each one finding its own route through whatever nodes are still standing, before getting reassembled on the other end.
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He invents what'll later be called packet switching, and in 1969, ARPA actually decides to build the thing, and they call it ARPA -NET.
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The first message is sent from a computer at UCLA, Institute in Menlo Park.
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They try to type the word "login", the system crashes after two letters, the next thing you know...
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By 1971, the network connects 15 computers and a man named Ray needs a symbol to separate humans from machines.
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He brings shame to his family by choosing the @ symbol and inventing email.
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But there's another problem.
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ARPANET is just one network, but it's lonely too.
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There are other networks, but none of them can talk to each other.
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and invent a universal language called TCP slash IP.
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TCP chops your data into packets and makes sure they show up, and IP gives every machine a numbered address so packets know where to go.
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On January 1st, 1983, every machine on ARPANET switches to TCP IP on the same day.
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They call it Flag Day, and the internet is born.
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But now we have another problem.
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Remembering numbered addresses is hard.
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So that same year, a different guy named Paul invents the domain name system,
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human -friendly domain names into the IP address where the computer lives.
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So now, there's a global network connecting thinking rocks all over the planet.
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But it's the last place you'd want to be, since it's only accessible to academics.
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Then, in 1989, a British scientist named Tim is working at CERN, a particle physics lab in Switzerland.
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Tim is a smart guy, and he has an idea.
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All these academics have information trapped on different computers in different formats,
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and there's no reads it and scribbles three words across the top.
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Vague, but exciting.
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That proposal was the World Wide Web.
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Tim goes on to invent HTML, HTTP, and the URL, the first web browser, and the first web server on a computer with a sticky note begging people to not turn it off
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because if they did, the entire internet would go down.
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But the coolest part is that he then gives it all away for free because he wants it to belong to everyone.
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For the next few years,
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the web is just an ugly wall is a browser called Mosaic that can display images in line with the words.
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The browser shows promise, Mark graduates, moves to California, and turns Mosaic into Netscape Navigator, which quickly becomes the most popular software on Earth.
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From there, the information superhighway becomes mainstream, and Bryant Gumbel asks, what is internet anyway, on the Today Show.
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Then, Microsoft wakes up, notices the internet exists, and panics.
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A horndog named Bill declares war.
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Microsoft builds free with Windows, which is on about 9 out of every 10 computers on the planet by this point.
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This gets them sued by the government for being a monopoly, but it kills Netscape, whose dying body is scattered to the open source gods and is eventually reborn as Firefox.
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Meanwhile, normal people are getting online for the first time through a company called AOL, which carpet bombs the planet with free trial CDs through the mail
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that 7 -year -old me thinks would be fun to microwave.
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It is.
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Oh no. The microwave is on fire.
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Ouch, ouch, hot.
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To connect screams into the line to make a digital handshake.
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The two modems negotiate a baud rate and modulate ones
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and zeros into audible tones over a copper line that was originally built for human voices.
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You top out around 56 kilobytes per second, which means it takes roughly eight minutes to download one song off Napster and give your computer aids.
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And because the modem is hijacked the same line your telephone uses, the second anyone picks up the kitchen phone,
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their voice gets dumped right Now it's the late 90s.
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Everyone realizes you can make money on the internet, or at least convince other people that you're about to.
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Investors throw billions at any company with a dot -com in the name,
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so companies lease OC -3 lines and stuff data centers full of Sun servers to handle traffic that never comes.
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One company sells pet food online and lights its entire war chest on fire for a sock puppet Super Bowl ad.
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Another offers to drive a single candy bar to your door for free.
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when the bubble pops, when the Nasdaq loses most of its value and thousands of companies vanish overnight.
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Sadly, a generation of young men on that Mamacoco have to move back in with their parents, but a few survivors manage to crawl out of the wreckage,
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the biggest being two guys named Larry and Sergey who write an algorithm they call PageRank.
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The idea is to treat every hyperlink as a vote, then weight each vote by how important the linking page is recursively so a link from a
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then wire it up to an ad auction and turn it into the most profitable money printer ever built.
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Meanwhile, the browser continues to evolve, and some call it Web 2 .0.
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Under the hood, a trick called Ajax lets JavaScript quietly fetch data in the background with XML HTTP requests
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and update a page without a full refresh, so a website can finally feel like an app instead of a pamphlet you need to keep reprinting.
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And now, it's 2007.
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Civilization has peaked, but we don't know it yet.
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built -in backdoor for his shareholders.
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Around the same time, a guy named Steve pulls a rectangle out of his pocket.
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It's a phone that runs a real browser with an always -on cellular connection.
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The information superhighway escapes from our desk into our pockets.
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And the good news is that we no longer need MapQuest to navigate around the world.
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But the bad news is that it'll eventually rot our children's brains.
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And that brings us to today.
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When you visit an average website, you must first accept cookies, decline the newsletter pop -up,
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dismiss the app download download before you can even read the content that probably wasn't even written by a human.
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Thankfully, two guys named Sam and Dario ingested the entire internet while tricking the rocks into thinking harder, and now they're renting it back to us at a premium.
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But while some companies are filling the internet with slop, others are trying to clean it up.
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Which brings us to CodeRabbit, the sponsor of today's video.
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AI can write code faster than ever, but reviewing 40 files of PR slop still feels like reading your code base through a paper shredder.
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A CodeRabbit review It groups related changes into cohorts,
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orders them into layers, and adds AI summaries so you can move through the change in an order that actually makes sense.
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Instead of one giant flat diff, you get what feels like an IDE for your pull requests.
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Your comments and approvals still go back to GitHub natively, and when it helps, CodeRabbit can generate diagrams in line for call flows, state changes, or schema updates.
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Over 100 ,000 open -source projects like Bunn and Nux .js use CodeRabbit, and you can try it out for free with the link below.
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This has been the History of the Internet in 8 Minutes.
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Thanks for watching, and I will see you in the next one.
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Informazioni su Questa Lezione
In questa lezione, gli studenti esploreranno la storia affascinante di come è nato Internet, partendo dalle prime comunicazioni tra computer fino all'emergere del World Wide Web. Mentre ascoltano il racconto, gli studenti avranno l'opportunità di migliorare la pronuncia in inglese e di familiarizzare con termini tecnici legati alla tecnologia e alla comunicazione.
Vocabolario Chiave e Frasi
- Computer: dispositivi che elaborano dati e informazioni.
- Pacchetti: piccoli pezzi di dati inviati attraverso una rete.
- ARPANET: il primo grande network di computer che ha portato alla creazione di Internet.
- Dominio: un nome che facilita l'indirizzamento dei siti web.
- HTTP: protocollo usato per trasmettere informazioni sul web.
- Browser: un'applicazione per navigare su Internet.
- Networking: la pratica di collegare computer e dispositivi.
- Monopolio: controllo eccessivo di un'azienda su un mercato.
Consigli per la Pratica
Per sfruttare al meglio il tuo tempo di studio e migliorare la pronuncia inglese, utilizza la tecnica dello shadow speech. Segui il ritmo e il tono del narratore nel video, cercando di ripetere le frasi dopo averle ascoltate. Questo approccio non solo aumenterà la tua fluidità, ma ti aiuterà anche a padroneggiare la pronuncia di parole tecniche come ARPANET e HTTP. Ricorda di prestare attenzione alla modulazione della voce e all'accento, cercando di emulare il modo in cui il narratore esprime entusiasmo e passione per il tema.
Prova a ripetere alcune frasi chiave, inizialmente a un ritmo più lento, per poi accelerare man mano che ti senti più sicuro. Non dimenticare di utilizzare ''shadow speak'' o ''shadowspeak'' per rendere il tuo esercizio ancora più efficace. Alterna l'ascolto delle parti più impegnative del video con momenti di riposo in cui rifletti sulle nuove parole e frasi apprese.
La grammatica di questo video
Le strutture che chi parla usa di più, con le parole esatte del video:
| Struttura | Nel video |
|---|---|
| Forma passiva be + participio passato — conta ciò che accade, non chi lo fa | is called · be called · is sent |
| Present perfect have/has + participio passato — un’azione passata che conta ancora adesso | has peaked · has been |
| Frasi relative who / which + frase — un’informazione in più su una persona o una cosa | Windows, which is · second, which means |
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.