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You can see how this system works in the illustration. Now that we've looked at the parts of a PC, let's press the power button and see what makes it boot. Others are still mysterious, what is control cable and may display properties that we can't predict right now. A top-down approach essentially means that you take a bulk amount of the material you plan on using for nanowires and carve away until you are down to the right size. Although we can build nanowires using either approach, no one has found a way to make mass production feasible. To make these decisions, routers must first know about two kinds of information: addresses and network structure. To make a fiber-optic nanowire, engineers first start with a regular fiber-optic cable. Enter the nanowire, a structure that has an amazing length-to-width ratio. By reducing bulk gold to the size of nanoparticles, you decrease its melting point, because when you reduce any particle to the nanoscale, there's a significant increase in the surface-to-volume ratio. Also, at the nanoscale, gold behaves like a semiconductor, but in bulk form it's a conductor.

Or I could just build stuff in "Minecraft" like I do now in regular 2-D "Minecraft." Constructing random castles, shearing sheep and taming ocelots and wolves may be even more satisfying in 3-D VR. As recently as 2005, this operating system was only available to PC manufacturers, but now you can buy it and use it as the center of a media-center upgrade. Versions of Franklin's original design are now a staple of cabins and cottages around the world. It might not be the most impressive device on Franklin's resume, but his modification of the urinary catheter was no doubt a welcome relief for hundreds of Americans with bladder problems. Today, hundreds of millions of transistors can fit on a single microprocessor chip. We'll learn how engineers build nanowires and the progress they've made toward creating electronic chips using nanowire transistors. To reach the top shelves without using a step ladder, Franklin fashioned a "long arm" in his workshop. By pulling on a cable, Franklin could bring the fingers together to grip a book off a high shelf.

Since most DVD players can also play audio CDs, if you buy a player with a high disc capacity you could store your whole CD collection in the machine. While living in England as a Pennsylvanian diplomat in the 1750s, Franklin stopped by Cambridge University to take in a concert by Edmund Delaval, a professional wine glass player. Delaval arranged a collection of wine glasses on a table, "tuned" them by filling each with a different quantity of water and then played them by carefully rubbing their rims in succession. America's first lending library and helping sow the seeds of the American Revolution, Ben Franklin also found time to draw up a vast collection of new devices. How much of an expert on American cars in films are you? Toy cars and helicopters, video game consoles, ceiling fans, you name it -- there's a good chance you can find a version that's controlled by a remote. You just decide which video quality you want (or what your components can support), plug one end of the cable into your TV's input and plug the other end into the PC's output. To work in rounds, cast your stitches on one end of the needle the same as you would on a straight needle.

The end result might be the same -- you can drive your car again, after all -- but engine control modules and units do sometimes go bad, and they aren't really designed to be repaired -- at least, not by the owner or by an average mechanic. The problem was blamed on faulty automatic throttle control units sending bad signals to faulty ECUs -- or something like that -- but never ultimately concluded. Then the fiber is terminated and the signals move onto coaxial cable for distribution to individual houses. There are a few different approaches to reduce a fiber-optic cable to the nanoscale. Some elements, like silicon, don't change much at the nanoscale level. When the company launched as a by-mail DVD rental service, it quickly rose to dominance over traditional competitors like Blockbuster. Current FDA rules permit marketing of e-cigarettes in all types of media, including television, as long as they include the warning message: "This product contains nicotine. Nicotine is an addictive chemical." And that's why, despite public pressure to remove most of its candy-like flavors from stores, e-cig manufacturer Juul has legally launched a $10 million television ad campaign. Franklin saw his inventions as gifts to the public and never patented a single one.