Nothing in this world can take the place of persistence, and William Kamkwamba has it in spades. At age fourteen, while many of us were sneaking out of classrooms, William was struggling to sneak into them—his family was unable to afford the $80 annual tuition. As is bound to happen to most students, he was caught. But instead of being sent to detention, he was barred from the school. In a show of the driven man he would become, he didn't allow that to hinder him and instead started spending his days in the local library. While there, he encountered a book called Using Energy:

Using Energy described how windmills could be used to generate electricity. Only two percent of Malawians have electricity, and the service is notoriously unreliable. William decided an electric windmill was something he wanted to make. Illuminating his house and the other houses in his village would mean that people could read at night after work. A windmill to pump water would mean that they could grow two crops a year rather than one, grow vegetable gardens, and not have to spend two hours a day hauling water. "A windmill meant more than just power," he wrote, "it was freedom."

This book is what changed his life. And I don't mean that as an exaggeration. It was truly what made a difference in his life. Because of that book, and the potential he saw in its ideas, William began to build:

William scoured trash bins and junkyards for materials he could use to build his windmill. With only a couple of wrenches at his disposal, and unable to afford even nuts and bolts, he collected things that most people would consider garbage-slime-clogged plastic pipes, a broken bicycle, a discarded tractor fan-and assembled them into a wind-powered dynamo. For a soldering iron, he used a stiff piece of wire heated in a fire. A bent bicycle spoke served as a size adapter for his wrenches.

Imagine that. A young boy being so motivated by ideas and the sheer need to build something life-changing that he discovered materials and uses for them which most of us wouldn't even dream of. As Mark Frauenfelder put it:

For an educated adult living in a developed nation, designing and building a wind turbine that generates electricity is something to be proud of. For a half-starved, uneducated boy living in a country plagued with drought, famine, poverty, disease, a cruelly corrupt government, crippling superstitions, and low expectations, it's another thing altogether. It's nothing short of monumental.

After completing his first windmill, William "went on to wire his house with four light bulbs and two radios, installing switches made from rubber sandals, and scratch-building a circuit breaker to keep the thatch roof of his house from catching fire." His project had the attention of village locals early on, but at this point he gained the attention of TED, Technology Entertainment Design, through whom he was introduced to individuals willing to contribute to his plans to "electrify, irrigate, and educate his village, as well as pay his tuition at the prestigious African Leadership Academy in Johannesburg."

In short: A young man struggled to educate himself, to build something his village needed, and in the end made a difference to the entire locale and gained the education he'd always wanted. Yes, it's a fluffy, feel-good story with a happy ending. What should you take from the it? Maybe that there's hope in the bleakest of situations, maybe that your teachers and parents were right about the power of education, maybe just that I'm a sappy bookworm with a soft spot for happy endings. No matter, if you wish to learn more, you can read the recently released The Boy Who Harnessed the Wind, check out William's blog, or peek at this video from before he ever wrote his autobiography. [GOOD via Boing Boing]

Here are ten machines that are so enormous that they'll screw with your sense of what's large, what's small, and what is truly gigantic—each handily put into scale.

A fair bit longer than the Eiffel Tower laid flat, is how big. [DarkRoasted Blend]

The Komatsu 9xx Series mining trucks look a bit like Tonka toys. No, they look exactly like Tonka toys. [MiningTopNews]

24-foot-tall Tonka toys, mind you. [E-Transport.ro]

Howard Hughes' ill-conceived, ill-fated Spruce Goose has always been fascinating to me. HAY GUYS, LET'S MAKE A PLANE OUT OF WOOD! WHAT COULD GO WRONG? [Colorado U]

Along with being a hugely strange idea, it was hugely huge. That's the 1019-ft Queen Mary cruise ship, for reference. [DriveArchive]

The Bagger 288 strip-mining machine has gained plenty of notoriety on the internet, mainly on account of looking like it was designed to kill. It isn't, at all, but you can't fault us for jumping to conclusions. Look at it! [DRB]

The general public's unease about this horror machine won't be helped by the fact that it's large enough to saw large ships in half, and gobble up a bulldozer without so much as flinching. [Wikimedia]

Old Soviet military hardware is incredibly interesting—a vestige of a time when both of the world's superpowers applied their distinctively different philosophies to a race to design some of the most ridiculous machines ever created. But surely this photo of a Typhoon Class submarine is just the victim of some zoom lens distortion, right? [DGIBNET]

Ha ha, not at all. Those there are humans, see? [Webpark.ru]

The Space Shuttle Conveyor is a literally-named, track-driven machine that you've probably seen before, saddled with one of NASA's various, now-dormant spacecraft. But it's hard to even judge how big the shuttle is, much less its ride. [NASA]

As you probably guessed, it's inconceivably gigantic.

The B-2 Bomber is another familiar piece of hardware, but one that is usually pictured without comparison, flying through the air, looking secretive. It's a stealth plane, and it's shaped like a Styrofoam glider, so I always imagined it as fairly lithe. [Af.mil]

It's actually startlingly large, with a wingspan of over 172ft. [OklahomaCity on Flickr]

Anyone with knowledge of power generation can tell you that it's no wimpy windmill that can pump out six megawatts of power, and that this windmill must be fairly substantial.

Whether they'll be able to find the words to fully describe how substantial it is is another matter entirely. Those orange specks peeking out of the fan's face like insects? Those are maintenance workers. [Giz]

At first glance the Knock Nevis supertanker, with its weird name and goofy-large "No Smoking" sign below the officer's deck, looks like your average cargo ship: Pretty big, pretty flat and and pretty boring. [Wikimedia]

Far from it: The largest ship in the world, measuring in at over 1,500 feet long, ole' Nevis is a floating city. [DamnCoolPics]

The Mil Mi-26 is one of the classic sense-of-scale killers, since its proportions are almost exactly like a regular helicopter, just bigger. How much bigger? [Wikimedia]

That little black thing hanging from the Mi-26's hook there is a Chinook, which is nearly a hundred feet long. [Aerospaceweb]

There's an optional canopy you can mount on the top of the unit as well as the grid you see here that keeps birds out of trouble. Best of all, it only needs a 7mph wind to start cranking out the kilowatts, and it's capable of generating 55kWh per month of clean, effortless energy. – Charlie White

New Wind Turbine Harnesses Aerodynamics of Buildings [treehugger]

Flying windmills — power from the sky [BoingBoing]