Get ready for the coolest issue of MAKE. Our special kids issue is filled with exciting and fun projects to make your weekend or science fair a blast. Hydrogen rockets, catapults, electric animals, chemical batteries, flying bird automatons, and more await you in the pages of MAKE: Volume 20! MAKE continues to be a leader in the tech DIY movement due to its uncanny instinct to engage the curiosity, vitality, and passion of the growing community of Makers -- DIY enthusiasts, hobbyist engineers/designers, and others who like to tweak, disassemble, recreate, and invent cool new uses for technology in amazing projects they undertake in their backyards, basements, and garages.
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Remote Control Cam-Car! page 120 » : IDS » HEY K S I H T Y TR ! E M O H TERS’ AT THBUS JECTteSr, O R P N ble Compu , ar » 23 FU ers, M oscope s r box La ini Mic e Lunch her, M & Mor c n u a rL Toy Ca MY AVAGE S M A he AD ming t o On bec e maker t a ultim 32 PAGE » his Build T ne g o Hydr n Oxyge t e k c o R E 90 « PAG makezine.com 10/6/09 4:28:47 PM It s the captain of MP3s. Your words are the DJ. MUSIC SEARCH JUST ONE OF THE MANY AMAZING FEATURES FROM SYNC, THE VOICE-ACTIVATED IN-CAR TECHNOLOGY AVAILABLE EXCLUSIVELY ON FORD, LINCOLN AND MERCURY VEHICLES*. ® SYNC. Say the word. hands-free calling•music search•vehicle health report•turn-by-turn navigation•business search 911 Assist™•real-time trafÚc•audible text•my favorites Learn more about all SYNC features at syncmyride.com *Driving while distracted can result in loss of vehicle control. Only use mobile phones and other devices, even with voice commands, when it is safe to do so. Let your geek shine. Meet Landon Cox, proud father, SparkFun customer, and developer of a novel timing system for speed climbers that is both precise and easier on climbers’ hands. Using laser switches, hand-built enclosures, and plenty of brutal tests by his speed climber daughter, Landon debuted his timing system at the USAC Nationals earlier this year. Whether you’re searching for a breakout board, or prototyping a climbing sensor to withstand high-impact abuse, the tools are out there. Create a project you’ll love, and let your geek shine too. Sharing Ingenuity W W W. S P A R K F U N . C O M ©2009 SparkFun Electronics, Inc. All rights reserved. All other trademarks contained herein are the property of their respective owners. Get the scoop on Landon’s Speed Climbing System development at http://www.landoncox.com/ or http://sawdust.see-do.org/. Hey Chauncey, congratulations on taking second place in the women’s open category at the ABS Nationals! Volume 20 32 =fi X^\j 0 kf 00 50: Productive Plastic Playthings A look back at 1960s maker toys. By Bob Knetzger 56: Wooden Mini Yacht Model boat sails across pools and ponds. By Thomas Martin 59: Kid-Friendly Projects Crowd-pleasers from the MAKE vault. By Laura Cochrane 60: Model Rocket Mega-Launcher Make the scout rocket derby a blast. By Douglas Desrochers 65: The UnaBox Keyless, secret, wooden compartment. By Claudio Bernardini 68: The Lost Art of Lashing Build rafts and towers without nails. By Gever Tulley 74: The Weight-Powered Vehicle (WPV) How far can a car go on 1 foot-pound of energy? By Richard B. Graeber 76: Teachers’ Pet Projects Favorite classroom projects. By Laura Cochrane ON THE COVER: Adam Savage, sporting his hacked Apollo space suit, photographed by Cody Pickens. Background illustrated by Adam Koford. Read an in-depth interview with Savage on page 32, and build the Hydrogen-Oxygen Bottle Rocket on page 90. 80: Marble Adding Machine Mechanical binary calculator. By Matt