The Cleanest Air Filter
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Vacuums dirt. Wipes grime. In one action. The Dyson Hard vacuum combines powerful suction and a wet wiping action to clean hard floors thoroughly and efficiently. Its dual suction channels suck up dirt from the front and rear of the cleaner head, while its wet wipe removes grime. All in one action. See it work at dyson.com/dc56 Contents DEPARTMENTS VOLUME 284 NO. 1 JANUARY 2014 04 The Optical From the Editor Ground Station 07 in the Canary Peer Review Islands is at the 08 forefront of laser Megapixels communications 74 (page 44). FYI: Are fat people warmer than thin people? 84 From the Archives WHAT’S NEW 11 Robot building, simplified 12 The Goods: a smart smoke alarm, and more 16 Volkswagen’s 261mpg car 18 Ski boots you can walk in 20 The first waterproof interchangeable-lens camera 22 Windows that lighten or darken on cue HEADLINES 25 How police use social networks to catch criminals 29 Inside an isolation chamber for satellites 30 An at-home chocolate factory 32 In love with a robot? You’re not alone: Spike Jonze’s Her 34 Why cleaning up dust in space is a nightmare 36 Repurposed old war bunkers HOW 2.0 65 FEATURES The world’s fastest 44 headfirst bicycle 38 54 60 68 RISE OF THE INSECT THE TRIALS AND HOME IN A DAY Find fossils with a DRONES YEAR TORMENTS OF Alastair Parvin and the open- simple sifter Engineers are building tiny, SPACE SCHOOL source construction system 70 agile insect-inspired aircraft. IN What does it take to become that could upend architecture. The wrong way to use They may soon swarm in a a citizen astronaut? POPSCI By Rupert Goodwins a belt sander city near you. SCIENCE sends its editor into a 72 By Adam Piore centrifuge to find out. Hack an E-ZPass to know The 20 ideas, By Jacob Ward everywhere it’s scanned trends, and breakthroughs that will shape 2014 Access videos, animations, and more with ON THE COVER the POPSCI Interactive app. Just hover your AUSTRIAN ACADEMY OF SCIENCES/ESA ACADEMY AUSTRIAN Robobee shot by Travis Rathbone smartphone over pages with this icon. JANUARY 2014 / POPULAR SCIENCE / 03 PROMOTION From the Editor JANUARY 2014 / POPULAR SCIENCE Thank You TOOK A JOB at I Popular Science in 2006, fresh from a yearlong stint as a health and fitness editor. On my first day, in a story meeting, I confidently and casually praised the life-extending virtues of resveratrol, a compound found in red wine I’d been reading about that morning, and suggested we run a story about it. At that point, I’d mostly worked in publishing environ- ments where the staff simply nodded “The staf of POPULAR at the ideas of the highest-paid person SCIENCE, it turns out, in the room. But no one was nodding. holds its work to a Instead, they were silent. higher standard: yours.” “Resveratrol is unproven,” Martha Harbison, our senior editor, told wandered up to and into rockets, me flatly. I opened my mouth to million-dollar cars, robotic fighter speak, but she was already laying jets. This month, I discovered my out, in a rising voice, the rickety case limitations via a high-G spaceflight I was about to make, and then she simulation (see page 54). dismantled it point by point. She’d And so it’s difficult to say good- A new app seen enough hype, and damned if she bye. I’m leaving Popular Science was going to foist it on our readers. to become the science and technol- from Popular Science. The staff of Popular Science, it ogy correspondent for Al Jazeera turned out, held its work to a higher America, a new cable-news channel. What did you look standard: yours. The central satisfaction of working I’ve spent the past seven years in media is the opportunity to like as a Neanderthal? trying to meet that standard. Your continually learn new things, and a demand for reliable reporting means job in television offers me a world of See for yourself the nothing goes to print without an new things to learn. But the central evolutionary steps that led exhaustive internal and external vet- satisfaction of working at Popular ting process. Your appetite for under- Science has been the people I from the early hominids standing how things work means we worked with—and you, the people I through to modern Homo query the inventors we profile until worked for. My consolation is that they can plainly describe the guts of I’ll carry your standards with me sapiens by mapping your their creations. And your impatience into this new role and all I do from with hype means we fight to avoid now on. Thank you for an incredible own face onto ancient oversimplification and dramatization seven years. And thank you, as ever, skulls discovered around while making sure the stories we run for reading Popular Science. are universally understandable. the world. In pursuit of those standards, I’ve experienced amazing things first- hand. Companies have handed me dozens of primitive, often brilliant prototypes—phones, projectors, a drone—months and sometimes years JACOB WARD before the public saw them. I’ve @_jacobward_ BUGGE MARIUS Find it in the iTunes App Store 04 / POPULAR SCIENCE / JANUARY 2014 Peer Review POPSCI.TUMBLR.COM TWITTER @POPSCI FACEBOOK.COM/POPSCI PINTEREST.COM/POPULARSCIENCE Editor-in-Chief Jacob Ward Design Director Todd Detwiler Executive Editor Cliff Ransom Managing Editor Jill C. Shomer EDITORIAL Articles Editor Jennifer Bogo Editorial Production Manager Felicia Pardo Senior Editor Martha Harbison Information Editor Katie Peek, Ph.D. Projects Editor Dave Mosher Senior Associate Editors Corinne Iozzio, Susannah F. Locke Assistant Editor Amber Williams Editorial Assistant Lindsey Kratochwill Copy Editors Joe Mejia, Leah Zibulsky Researchers Kaitlin Bell Barnett, Erika Villani, Lily Vosoughi Contributing Editors Lauren Aaronson, Eric Adams, Brooke Borel, Tom Clynes, Daniel Engber, Theodore Gray, Mike Haney, Joseph Hooper, Preston Lerner, Gregory Mone, Rena Marie Pacella, Catherine Price, Dave Prochnow, Jessica Snyder Sachs, Rebecca Skloot, Dawn Stover, Elizabeth Svoboda, Kalee Thompson, Phillip Torrone, James Vlahos Editorial Interns Kate Baggaley, Mac Irvine MAIN OFFICE 2 Park Ave., 9th Floor ART AND PHOTOGRAPHY New York, NY 10016 Photo Editor Thomas Payne Digital Associate Art Director Michael Moreno popsci.com Junior Designer Michelle Mruk OVER THE MOON POPULARSCIENCE.COM NEW Senior Editor Paul Adams SUBSCRIPTIONS Assistant Editors Colin Lecher, Rose Pastore popsci.com/subscribe Video Producer Dan Bracaglia I have nothing against setting aside part of the lunar surface, Contributing Writers Kelsey D. Atherton, Francie Diep, Shaunacy Ferro but why make it all inaccessible to development [“Why the SUBSCRIPTION INQUIRIES Executive Vice President Eric Zinczenko Moon Should Be an International Park,” November 2013]? Group Editorial Director Anthony Licata Change of address or subscription problems: BONNIER TECHNOLOGY GROUP Traveling and living in space is my fondest dream. I worked Publisher Gregory D. Gatto supporting the space program and astronomy for over 30 Popular Science Chief Marketing Officer Elizabeth Burnham Murphy years and take it personally when someone suggests a plan P.O. Box 420235 Associate Publisher, Marketing Mike Gallic Palm Coast, FL 32142 Financial Director Tara Bisciello that could slow expansion into space. 386-597-4279 Eastern Sales Director Jeff Timm Bruce Bon Santa Rosa, Calif. popsci.com/cs Northeast Advertising Office Margaret Kalaher, Matthew Levy Photo Manager Sara Schiano Ad Assistant Amanda Smyth INTERNATIONAL Midwest Managers Doug Leipprandt, Carl Benson Readers in the Loop EDITIONS Ad Assistants Kelsie Phillippo, Mojdeh Zarrinnal Inquiries regarding West Coast Account Managers Stacey Lakind, Sara Laird o’Shaughnessy Elon Musk’s idea for high-speed travel in low-pressure tubes should international licensing Ad Assistant Sam Miller-Christiansen or syndication: Detroit Managers Ed Bartley, Jeff Roberge be seriously considered [“What Would a Hyperloop Nation Look Ad Assistant Diane Pahl [email protected] Classified Advertising Sales Shawn Lindeman, Frank McCafrey, Chip Parham Like?” november 2013]. Passengers may balk at the idea of being Advertising Coordinator Irene Reyes Coles sucked through a tube, but for freight, it could be more energy- LETTERS GM Digital business Development Shannon Rudd To the editor: Digital Operations Manager Rochelle Rodriguez efficient than Maglev trains and other high-speed systems. [email protected] Digital Campaign Managers Wilber Perez, Ed Liriano Lance Hillsinger San Luis Obispo, Calif. Digital Manager Elizabeth Besada FYI questions: Group Sales Development Director Alex Garcia [email protected] Senior Sales Development Manager Amanda Gastelum Sales Development Managers Charlotte Grima, Kate Gregory, Kelly Martin Amusing Highlight When Taken Out of Context Ask a Geek: Marketing Design Directors Jonathan Berger, Ingrid Reslmaier [email protected] Marketing Designer Sarah Hughes, Gabe Ramirez Forget the cake! looks like a theoretical physicist will show us how Online Producer Steve Gianaca to have our cow and eat it too [“The Meat Lab,” november 2013]. Story queries: Group Events & Promotion Director Beth Hetrick [email protected] Director of Events Michelle Cast Joe Wanores Elmira, Ore. Events & Promotions Director Laura Nealon Comments may be Promotions Managers Eshonda Caraway-Evans, Lynsey White edited for length and Consumer Marketing Director Bob Cohn clarity. We regret that Publicity Manager Caroline Andoscia [email protected] Request of the Month Human Resources Director Kim Putman Please refrain from overuse of the word robot. With such we cannot answer Production Manager Erika Hernandez unpublished letters. Group Production Director Laurel Kurnides ubiquity, its meaning becomes arcane. Raymond Connor Phoenixville, Penn. FROM POPULARSCIENCE.COM Chairman Jonas Bonnier POPULAR SCIENCE Chief Executive Ofcer Dave Freygang This fall, we launched the Executive Vice President Eric Zinczenko Blog Network. For regular posts about Chief Content Ofcer David Ritchie Chief Financial Ofcer Nancy Coalter creepy critters, robot overlords, and more, Chief Operating Ofcer Lisa Earlywine Bg Chief Brand Development Ofcer Sean Holzman check out PopSci.com/blog-network.