Mechanical Technology that moves the world THE MAGAZINE OF ASME No.04 136 SENDING PEOPLE TO MARS PAGE 18 CHARGING BUS BATTERIES THROUGH THE ROAD PAGE 44 LOST BOMBER FOUND IN GARAGE PAGE 72 ASME.ORG APRIL 2014 One Component = Millions of Solutions A simple, yet advanced method to secure and control access to openings, components, or assemblies. Compact + Compatible Slide with integrated Q 1/2" side space contains slide and locking mechanism integrated lock Q Fewer components Q Your choice of activation method Q Control circuit permits integration into existing systems Low Voltage + Power Use Q 5 to 30 VDC Q Standard 8-pin connection Sensor Feedback Q Indicates open or closed status AND locked or unlocked status Two Operational Modes Q Lock/Unlock – Manually opened by user Q Kick-Out – Propels doors/drawers open about 2" Also available, model 10EL, a stand-alone electronic locking device. How will YOU use it? Find out more at http://bit.ly/38ELMec LOG ON ASME.ORG MECHANICAL ENGINEERING | APRIL 2014 | P.01 For these articles and other content, visit asme.org. Lengthening the Life of Lithium-Ion BatterIES An unprecedented increase in lithium-ion battery research has occurred in recent years, with the goals of improving perfor- mance, durability, and safety. To achieve these goals, fundamental understanding of the underlying degradation mecha- nisms that limit battery life is of critical importance. PADDED CAP Video: Nanoengineering for Energy and Sustainability MAY PROTECT Understanding physico- chemical processes at the nanoscale can help in improving macroscale energy BASEBALL PITCHERS conversion and storage devices. Profes- sor Partha P. Mukherjee of Texas A&M University discusses strategies for scaling ECAUSE OF THE BASIC DIFFERENCES BETWEEN THE SPORTS, head up production of new devices. protection in baseball has never been the worry that it is in football. Baseball pitchers now have an option to protect themselves against line drives, with an engi- neered padding that can be sewn into their caps. The product, called isoBLOX, provides frontal head protection from B NEXT MONTH ON ASME.ORG line drives reaching 90 mph, according to its manufacturer. SUGAR POWER Researchers at Virginia Tech have created a sugar cell that can store 10 times as much energy as a lithium ion battery. The trick is the enzyme path- way—24 enzymes operate in succes- sion to release 24 electrons—all that The Original the sugar’s got to offer. Social Media? Advances in ENERGY EDUCATION FOR THE MASSES technology are An engineering professor aims to enabling better spread the word about energy by designs for adapting for a TV audience a popular ham radios—a college course he created for engi- classic hobby neering students. that many radio enthusiasts call the original social media. CONTENTS 04136 32 Holding Up the Middle New programs keep STEM education in focus for students during Tech Buzz: How do you the years between elementary and high school. BY JEAN THILMANY move an asteroid from the Earth’s path? P. 20. ONE-ON-ONE Bas Lansdorp, the MADE GREENER co-founder of Mars One, talks about his This month in Hot controversial plan Labs, researchers to colonize the Red find sustainable ways Planet. BY JEAN THILMANY to create materials for 18 essential consumer ON THE COVER products. BY JEAN THILMANY FOCUS ON STEM To keep enough students in the science 22 and engineering pipeline, educators are looking to innovative types of schools. 38 ENGINEERS IN THE DISTANCE 44 Online learning opens a path from the technical to the PULLING POWER technological. BY TOM GIBSON FROM THE ROAD An electric bus, charged by the route it follows, gets a real-world test. WWI BOMBER WINGS FOUND IN GARAGE BY JACK THORNTON The last existing remnant of a massive military aircraft was holding up a roof in Wales. BY JAMES PERO INSIDE 6 Editorial 8 Letters 10 Tech Buzz 16 Energy 24 Fluid Handling 72 28 Vault 30 Trending 59 Software 61 Hardware 51 66 Resource File 68 Positions Open Global Gas 69 Ad Index Turbine News 70 ASME News || THE MAGAZINE OF ASME MECHANICALMECHANICALMECHANICAL ENGINEERING ENGINEERING ENGINEERING | |OCTOBER MARCH | APRIL 20132014 2014 | |P. P.044 Publisher Editor in Chief Nicholas J. Ferrari John G. Falcioni Manager, Integrated Media Sales Executive Editor Greg Valero Harry Hutchinson Marketing and Promotion Manager President Madiha El Mehelmy Kotb Anthony Asiaghi Senior Editor President Nominee J. Robert Sims Jr. Circulation Coordinator Jeffrey Winters Marni Rice Past President Marc W. Goldsmith Advertising & Sponsorship Sales Coordinator Associate Editors Michelle Lewitinn Alan S. 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Request for special permission or bulk copying should be addressed to Reprints/Permissions Department. HEAT EXCHANGER: 1SHIPSJEREMV½PPIHWLIPPERHXYFILIEXI\GLERKIV [MXL[EXIV¾S[MRKXLVSYKLXLIMRRIVXYFIW7MQYPEXMSRVIWYPXWVIZIEP¾S[ ZIPSGMX]XIQTIVEXYVIHMWXVMFYXMSRERHTVIWWYVI[MXLMRXLIZIWWIP VERIFY AND OPTIMIZE YOUR DESIGNS WITH COMSOL MULTIPHYSICS ® Multiphysics tools let you build simulations that accurately replicate the important characteristics of your designs. The key is the ability to include all physical effects that exist in the real world.