34% Off Discounts: Buy Cheap The LEGO MINDSTORMS NXT 2.0 Discovery Book: A Beginner's Guide to Building and Programming Robots Review

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The LEGO MINDSTORMS NXT 2.0 Discovery Book: A Beginner's Guide to Building and Programming Robots Review

I (a hardware/software developer and radio ham for some 30 years) bought LEGO Mindstorms for my now eight-year-old son last Christmas. Being a LEGO nut since he was old enough not to swallow the pieces, he's had great fun with Mindstorms since then.
But after you've built the models detailed in the Mindstorms kit, where do you go next? The Mindstorms online help is pretty good, but tiresome to read on the screen, and not the best medium for a youngster. The Alpha Rex etc. are impressive but it's hard for a child to try to make his own models of a similar complexity on the basis of the models in the Mindstorms kit. There is a huge gap between copying ready-made models and learning to create real robots from scratch, and Laurens Valk's book fills that gap perfectly.
As "the missing manual", this book thoroughly explains the NXT hardware and NXT-G software, in enough technical detail to satisfy a seasoned programmer like me, but without overloading someone who is completely new to the technology. That is no mean feat!
The building instructions are of a similar quality to those provided in the all-too-slim Mindstorms manual, and my son was able to follow them and the programming instructions with only minimal guidance from me (usually because we hadn't yet read the accompanying text! :-)
Now, there are several ways to approach this book. To get started quickly, you or your child genius can simply follow the detailed building and programming instructions to create any of the eight robots detailed in the book. My son had almost no trouble doing this: in fact, he first went after the more complex models like the Strider featured on the cover, followed by the very impressive Chimney Climber. If, like us, you're new to the LEGO Technic and Mindstorms systems, you'll be surprised how they can be made to do such remarkable things.
The program instructions feature a simplified overview - essentially a flow diagram - that lets you follow the basic structure of the program and learn about loops, "if-then-else" blocks, etc. Your young robotics engineer can learn about the how-and-why of the programs, and gradually improvise to deepen his/her understanding of what the NXT controller is "thinking", and then devise clever ways to change it.
Then there are the challenges, or "discoveries" to use Laurens' word: 87 of them in all. Once we have settled down to reading the book together start-to-finish (give us a chance, we've only had this book for a week!), the discoveries will provide many new paths to explore and consolidate our understanding of robotic systems.
I would have expected to pay three times what Amazon is charging for this book, based on similar books aimed at software developers. At under $20, it is excellent value for money and an essential "NXT" step on any robot designer's path of discovery. Buy it!

The LEGO MINDSTORMS NXT 2.0 Discovery Book: A Beginner's Guide to Building and Programming Robots Overview

Discover the many features of the LEGO MINDSTORMS NXT 2.0 set. The LEGO MINDSTORMS NXT 2.0 Discovery Book is the complete,illustrated, beginner's guide to MINDSTORMS that you've been lookingfor.The crystal clear instructions in the Discovery Book will showyou how to harness the capabilities of the NXT 2.0 set to build andprogram your own robots. Author and robotics instructor Laurens Valkwalks you through the set, showing you how to use its various pieces,and how to use the NXT software to program robots. Interactive tutorials make it easy for you to reach an advanced level of programming as youlearn to build robots that move, monitor sensors, and use advancedprogramming techniques like data wires and variables. You'll build eight increasingly sophisticated robots like the Strider (a six-leggedwalking creature), the CCC (a climbing vehicle), the Hybrid Brick Sorter (a robot that sorts by color and size), and the Snatcher (an autonomous robotic arm). Numerous building and programming challenges throughoutencourage you to think creatively and to apply what you've learned asyou develop the skills essential to creating your own robots.Requirements: One LEGO MINDSTORMS NXT 2.0 set (#8547)Features
A complete introduction to LEGO MINDSTORMS NXT 2.0
Building and programming instructions for eight innovative robots
50 sample programs and 72 programming challenges (ranging from easyto hard) encourage you to explore newly learned programming techniques
15 building challenges expand on the robot designs and help youdevelop ideas for new robots
Who is this book for?This is a perfect introduction for those new to building and programming with the LEGO MINDSTORMS NXT 2.0 set. The book also includes intriguing robot designs and useful programming tips for more seasoned MINDSTORMSbuilders.-

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43% Off Discounts: Best Price Alone Together: Why We Expect More from Technology and Less from Each Other Review

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Alone Together: Why We Expect More from Technology and Less from Each Other Review

What I love about this book is that a whole person wrote it. Turkle includes both original research and her everyday experiences as a mother and a friend.
Unlike many books about technology, this book does not try to tell a simple story about it being good or bad. Its goal seems to be to help us live a better life in partnership with technology. Do we really want to give up privacy online? Do we really want to text during family dinners? Do we really want our companionship to be replaced by robotic companionship?
Instead of pretending you must take a side for or against technology, "Alone Together" asks us to look out for ourselves and what is good for us. My favorite idea is that the point is not to get rid of technology but that each individual must stop and think where it fits in his or her life.
"Alone Together" is a great read. The language is sometimes poetic and sometimes funny, but always compelling. Its ideas and questions are powerful and are long-lasting.
Highly recommended for everyone.

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39% Off Discounts: Buy Cheap The Invention of Hugo Cabret Review

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The Invention of Hugo Cabret Review

No one can really summarize a book any better than the author proper. So what is, "The Invention of Hugo Cabret" anyway? "... this is not exactly a novel, and it's not quite a picture book, and it's not really a graphic novel, or a flip book, or a movie, but a combination of all these things." In short, what you have is a book that can't really be lumped into a single genre. With the rising popularity of the graphic novel, authors have been looking at how to let the visual elements of a given story complement the text. Some will weave graphic novel elements in and out, panels on one page, text on another. Others prefer a kind of "Captain Underpants" melding with cartoonish pictures. And while all these books are fun reads, none of them have ever really had the (for lack of a better word) gravitas you'd find in a classic text-only children's novel. Until now, that is. "Hugo Cabret" is a risk. A 500+ page book that's told just equally by pictures as it is by text. It is also like nothing you've ever seen before. No other children's book has even come close.
Without Hugo Cabret, none of the clocks in the magnificent Paris train station he lives in would work. Though he's only a kid, Hugo tends to the clocks every day. But there's something even more important in the boy's life than gigantic mechanics. Hugo owns a complex automaton, once his father's, that was damaged in a fire and it is his life's goal to make the little machine work again. To do so, he's been stealing small toys from an old shopkeeper in the station. One day the man catches Hugo in the act, and suddenly the two are thrown together. Coincidences, puzzles, lost keys, and a mystery from the past combine in this complex tale of old and new. The story is told with pictures that act out the action and then several pages of text that describe the plot elements. The final effect is like watching a puzzle work itself into clarity.
Selznick is juggling so many different elements and inspirations in this book that you honestly expect the result to be a muddle. Okay. So you have a story involving old-timey movie-maker Georges Melies (he's the old shopkeeper) whose image in this book was modeled on children's book author Remy Charlip (also an influence). You have an automaton, the history of automatons, and the history of movies themselves. There are photographs of old films mixed in with some bizarre sketches. Then you throw all of this together and add in a story about a boy, a girl, a one-eyed man, toys, keys, and a train station. Boom! Instant book. The fact that this title ISN'T a mess is downright bizarre.
They say that the mark of a good musical depends on how well the songs advance the story's plot. You can't just have your characters burst into song and then act like nothing ever happened. The case could be made too for books like "Hugo Cabret". If there is a picture in this story, it has a purpose. Nothing here was included on a whim. When the book breaks from word to image, it has to be done just right. It has to feel natural. At one point in "Hugo Cabret" our hero is nearly trapped by the Station Inspector. The book reads, "The Station Inspector saw the bandages and loosened his grip, at which point, like a wild animal, Hugo escaped." What follows is a thirty-six page chase sequence that comes across like a black and white film. And the real star of this show, in the end, is Selznick's art. The man is doing things with mood and lighting that give the book just the right mysterious feel. Selznick's pictures are done, for the most part in graphite with plenty of shading involved. At the same time, he knows how to get the viewer involved in what they are seeing. There are moments where the "camera" is zooming in on a particular shot and instantly gets your attention. In the book's opening, we begin with a shot of the moon that pulls back and follows young Hugo. Then suddenly, we see Hugo look over his shoulder and the picture hits you hard. We're on the eighteen or nineteenth page and already we're deeply interested in what we're seeing. We want to know more. Hugo does have some magnificent bags under his eyes at times, and he and the old man's granddaughter Isabelle sometimes look rather similar, but on the whole it's hard to find anything wrong with what Selznick has chosen to place in this book.
Admittedly, not everything works as smoothly as it might. Selznick has to keep everything in this story moving constantly. Nobody wants to see picture after picture of people just sitting around and talking, after all. So really, the downside to this kind of book is that some degree of characterization and description is lost in favor of plot and theme. The kids in this book go from liking one another, to hating, to liking again in a manner that feels a tad awkward. Motivations are sometimes murky, even if they're explained later down the line.
But the allure of this book for kids can't be stressed enough. Selznick is most familiar to children, at this point in time, because of his covers of such Andrew Clements books as "Frindle" and "School Story". When kids see a Selznick cover, they know to grab it. Children who like big thick Harry Potter-sized tomes will pluck the multi-colored "Hugo Cabret" from its shelves without hesitation. Ironically, though, this is a perfect title for reluctant readers. Though the page count will scare off some, those who've been shown the insides will appreciate this unfamiliar form of storytelling. Unlike a graphic novel or a picture book, however, you can't understand "Hugo Cabret" through pictures alone. You can try, I guess, but you end up with a very different tale from the one Selznick has written. The nice thing is that in spite of all the complicated details and influences at work here, the story itself is straightforward and interesting.
Extra kudos for the spine of this title, by the way. Publishing houses too often forget that sometimes the spine of a book is all a customer is ever going to see of a title. And if there were a Best Spine of the Year Award, I think I know who the winner might be. The spine and back are of Hugo's face, lit from the side. Just his left eye and part of his cheek are visible on the spine, with the title, author, and publisher information shoved to the bottom. It's haunting. Does haunting sell? You bet your sweet bippy it does.
It's hard to say whether or not this kind of format would work with any other book. Really, it's the fact that so much of "Hugo Cabret"'s plot revolves around black and white movies that allows this book to jump so easily between image and text. If you did something similar with a story about, oh I dunno, a lion in the jungle, it might feel odd. But given Selznick's subject matter and his careful use of both his own illustrations, movie stills, and sketches, the book holds together. The writing is second to the illustrations, but it's still heads and tales better than most of the crummy kidlit you'll stumble across. Sometimes you hold a book in your hands and it feels like a classic from day one. "The Invention of Hugo Cabret" radiates that feeling.

The Invention of Hugo Cabret Overview

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