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relays were first developed back in the eighteen hundreds when it became necessary to use them for electrical protection the very first electromechanical relay was invented by Joseph Henry and used in circuits for long distance Telegraph as means of amplifying before the invention of microprocessors and PLC thousands of relays were used to build

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In the past few years, we are witnessing exponential growth in the amount of data that’s stored and processed on the internet. With this data, there is an urgent need to use it effectively to make more intelligent decisions. Machine learning algorithms enable us to do that. But many commonly used methods, which are at

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Translator: Ellen Maloney Reviewer: Enid Kim Hi, I’m a neuroscientist. I study how the brain makes decisions. Everyday decisions, like what to eat, how much to eat, when to sleep, how much work you want to do, how much money you want to save, etc. etc. And as in many other scientific areas of research

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(upbeat music) – Hi there, my name is Sam Clark, and welcome to Crimson Education. Today, we’re gonna be talking about the top 10 universities for Computer Science in the world. These rankings are based on the QS rankings of colleges and universities, which are based on such factors as academic reputation, employer reputation, citations

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– (speaking foreign language) Ding, ding. Ding, ding. – (speaking foreign language) (laughing) (squeaking sign swinging) (upbeat music) – Today we’re here to build Legos, without speaking the same language. – How that’s gonna work, I have no idea. – (speaking foreign language) I live in California and I think it’s a sin that I

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[MUSIC PLAYING] All right, so in this video we’re going to understand how information travels wirelessly. And what I mean by this is that we’re going to understand how devices like Wi-Fi, wireless internet work. How things like radios, say, in cars work. And how things like cellphones, which definitely use wireless communication, how they

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In our culture, it’s almost impossible to spend a day without interacting with computers. Almost all of our work and communication is facilitated by computers, and we entertain ourselves by watching computers, often consuming content that is about computers. But despite our society’s heavy reliance on them, it seems like relatively few people actually know

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– The Saturn V rocket took humans to the moon for the first time, but the humans didn’t steer the rocket. It steered itself using a computer. – [Man] Tower, clear. – [Man] Gotta roll program. – A lot of the Saturn V rocket was built here in Huntsville, Alabama, otherwise known as Rocket City.

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