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Based on the information on those labels, they're then automatically pushed onto one of 19 diverters. After being unloaded, the packages pass through one of nine input areas, and then to the "Matrix," where a front line of employees make sure the packages aren't face down on a conveyor belt (since bar-code scanners here can read every side of a box except the underside).Īfter the Matrix, the packages head further into the facility on conveyor belts, passing first through a scanner that reads their bar codes. It works like this: Each evening, about 140 FedEx planes arrive in Memphis from every corner of the globe - the company serves 375 airports in 220 countries - loaded with packages to be sorted and sent right back out on planes that will take them closer to their final destination.
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Consider this: The hub has two sides - west and east - and on each side, employees bring in 180,000 packages an hour until the very last one has been processed. To say the evening sort at the World Hub is an impressive operation is to traffic in understatement. When I entered the facility's security section - think of it as a streamlined version of what you go through at the airport - hundreds and hundreds of FedEx employees were lined up, impatiently waiting to get screened so they could go do their jobs. sort, hundreds of employees who would otherwise have been actively moving packages around had to wait to go to work. Because the storm hit right before the 11 p.m. The first stop was the company's Package Lab, and today it's a look at the World Hub, FedEx's biggest express package distribution center, a massive facility that processes, on average, between 1.3 million and 1.5 million packages a night.įinally, the thunderstorm passes, and the blue lights go dark. Well, the two-minute version.As part of CNET Road Trip 2014, I've come to this city of 655,000 in the southwest corner of Tennessee for a two-part visit to FedEx's home base. What client are you using right now? And that's the web. So websites have to try to work well in all sorts of clients. Others have keyboards, some are black and white. Some are way smaller than others, some have touchscreens, "Try another one." Which browser are you using right now? Well you must be using that browser from some sort of device, like a laptop, phone, tablet, or even a smart TV, and we call those devices "clients." Clients can be really different. Same website the same way, but they do have theirĭifferences, which is why we sometimes say, "Oops, Or Internet Explorer, and we call those apps "browsers." Browsers try to all show the How do users like youĪctually see those websites? Well you use an app dedicatedįor website browsing, like Chrome, Firefox, Using three languages: HTML, for marking up the website content CSS, for styling it and JavaScript, for making it interactive. When a computer is connected to the web and spitting out a website, weĬall that computer a "server" because it's "serving" the website.
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What is the "web," exactly? Well, like I said, it's a bunch of connected computers that have websites. First, let's back up a bitĪnd clear up some terminology. Start brainstorming what you want to make because you'll be able Program a website yourself, and you can learn how toĭo it here on Khan Academy. What website do you wishĮxisted, but doesn't yet? Maybe a website about yourself or about something that you love? The cool thing is you can So what's your favorite website? Actually, I have a better question. And of course, you must be using the Khan Academy website to learn. Where to go on an exotic trip, or a news website to figure out what's going on in the world. To chat with your family, a photo website for sharing photos of your adorable kitty cats, a travel website to decide But now everybody uses itįor pretty much everything. Researchers used websites to share their research, like on What do we use websites for? Well in the beginning, Of connected computers, and as of 2014, thereĪre literally more than a billion websites - a billion! When I was a kid, we only had one million, and we thought we were cool. Welcome, let's talk about the web, the thing that you're using right now.