The History of The London Underground

This episode of Real Engineering is brought to you by Skillshare, home to over 17,000 classes that could teach you a new life skill. The first 500 people to sign up with the link in the description will get a 2 month free trial. Few inventions have had as a revolutionary effect on her society as the advent of the steam engine. This machine allowed the automation of production, creating thousands of new jobs in our cities and drawing humans

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Steam Engine – How Does It Work

Over the course of human existence, the most significant catalyst for growth has been our ability to draw energy from our world. Taming fire gave birth to the modern human and drawing power from the wind allowed early explorers to travel the world, but today we are going to explore the history and science behind one of humanities greatest inventions, the steam engine. The evolution of the steam engine completely revolutionized our society. It opened new avenues for trade and

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CS50 2016 Week 0 at Yale (pre-release)

>>[BACKGROUND NOISE] Does it work? PATRICK REBESCHINI: We can get started. OK. Great. Let’s get started. So it is my greatest pleasure to welcome you all here today for the first lecture of, well, Introduction to Computing and Programming. Also known as CS50 or well, CPSC 100, officially here at Yale.>>So we couldn’t be more excited to welcome you all here. My name is Patrick Rebeschini. I’m the head instructor for the class. I am here representing a group of

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CS50 Live, Episode 002

>>[MUSCIC PLAYING] >>DAVID MALAN: Hello world, this is CS50LIVE. So you may recall from week zero that desk lamps have somehow become a thing this year in CS50. And this is actually just the result of my fairly spontaneously, before that first class, having gotten into the car, driven to a local store called Target to pick up really any lamps I could find. Because what I wanted to do was have some light bulbs with which to represent zeros

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The Mystery of the Pyramids’ Construction

This video was made possible by Assassin’s Creed Origins, which is out today. When we think of ancient Egypt, most imagine sand swept plains with giant pyramids jousting up from a barren desert, juxtaposed next to the lush meandering Nile spilling nutrients to into the surrounding floodplains to feed this burgeoning empire. But all we have for reference for this vision of the past are the ancient monuments and artifacts that remain and ancient hieroglyphs, that puzzled linguists for centuries.

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How do insecticides kill cockroaches?

Cockroaches are more than just a nuisance pest they are dangerous to live with since they act as vectors for disease. We often joke about the fact that a cockroach can survive a nuclear blast. But they are no match for a small spray of insecticide. Have you ever wondered how insecticides affect cockroaches? Let’s find out! Meet Joey the cockroach. He is luckier than many other insects, as he is being granted his very own suit of armour, an

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These birds can fly almost ten months without landing

We have discovered that the common Swift, a long a long-distance migrating bird spends its entire non-breeding season, a period of 10 month up in the air. And during that period they never come down to roost on the ground or in trees. A few individuals do so but only for very brief periods. But there are also individuals that never come down at all. They spend their entire 10-month period up in the air. 10-month is the current world

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How Does Alcohol Get You Drunk?

F. Scott Fitzgerald once said, ‘First you take a drink, then the drink takes a drink, and then the drink takes you.’ A lyrical way to put getting drunk. So how does alcohol actually take hold of us? No matter what your poison is, booze all contains the same molecule that messes with your mind: Ethanol. And that’s where the party gets started, or rather, slows down. Actually both, it’s complicated. [visual of ethanol going through bloodstream to brain] Ethanol

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Why peregrine falcons are the fastest animals on earth

When I googled the “fastest animal” this is what I got. A cheetah. A cheetah. A little mammal bias maybe? The truly fastest animal on Earth has a max speed 3 times greater than the cheetah. Peregrine falcons can leisurely cruise through the skies between 40 and 60 miles per hour, but when they’re diving toward their prey, they can reach speeds over 200 miles per hour. That comes out to 293 feet per second. It’s like flying the length

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The Greatest Innovations In Formula One

There are few things in life as thrilling a live Formula one race. The speed and roar of the engines sends adrenaline pumping through yours veins, but this isn’t just mere entertainment. Racing at the highest level tests engineers and drivers in ways that normal production cars do not and forces them to think of clever and innovative ways to improve performance. These technologies have on multiple occasions found their way into our everyday lives. There are countless examples of

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