IEEE Spectrum September, 2011 - 3

volume 48 number 9 north american

9.11

spectrum.ieee.org

avaiLaBLe 1 septemBer

Kite Power

6 ConTRIbUToRS

How do you generate power
from the wind without using
a turbine? With a kite! See how
WindLift, a start-up in Durham,
N.C., is pursuing that lofty goal.
The company's trailer-mounted
generator extracts energy from
a large kite as it crisscrosses
the sky while slowly pulling
on the lines that tether it to the
ground. Check out our online video
of the system's field test at http://
spectrum.ieee.org/kitetest0911.

22 ThE bIg PICTURE
Airbus's 2050 concept plane
imagines the future of flight.

theinstitute.ieee.org

22

update

departments

11 ChIna'S dEEP dIvE
the 7000-meter record
is in sight.
By Eliza Strickland

4 baCk SToRy
A job in engineering can take
you on some wild rides.

13 ThE TECh of 9/11
14 a dIM fUTURE
foR olEds?
16 a ShoRTagE
of EngInEERS
20 SoCCER-ball
TRaCkIng

opinion
8 SPECTRal lInES
A technology spurred by
tragedy takes hold.
By Susan Hassler

clockwise from Top lefT: airBus/geTTy images; david schneider; ieee

30 REflECTIonS
Innovations that stand
the test of time come
from research models
that come and go.
By Robert W. Lucky

handS on
24 Wreck diving without
getting wet: build your own
remotely operated underwater
vehicle. By David Schneider

visit OuR New site check out
The Institute's new look. We've
redesigned our site and added
features like the ability to comment

26 Here's how to rig a touchscreen oscilloscope for about
uS $300. By James Turner

avaiLaBLe 9 septemBer

on our articles, a blog, an rSS feed,
multimedia, an area where you can
submit news about your Ieee region,
an automated way to respond to our
Question of the month, and more.
eLeCtRiC vehiCLe ROuNduP
In our special issue on electric vehicles,
learn about all things ev, including
things to consider before buying one,
the ev's history, and related Ieee
products, services, and conferences.

27 PRofIlE
meet Scotland's leading
rhythm-and-blues chip
engineer. By Susan Karlin
28 CaREERS
Software engineering is at the
core of a hot job market for
new engineers. By Prachi Patel

PARt-tiMe PAssiONs Who
knew so many engineers were
also motorcyclists? over the years,
The Institute has received dozens
of e-mails from members who
are motorcycle riders. read about
two in our biker double feature.

72 ThE daTa
Search engines guess your
query with unexpected
altruism. By Swapnajit Mitra

onLine WeBinars & resources

avaiLaBLe at http://spectrum.ieee.org/webinar

14 september: developing
PMu technology for dynamic
Conditions in distribution

the insight You want, the
data You Need: transforming
insights into Action

Real-time Matters! timing
and Performance Analysis
for embedded systems

22 september: teaching Control
systems to Future engineers

Model-based solutions
to the Code Maintenance
Nightmare: tackling Key
development headaches

simulation of electrodeposition
Processes using COMsOL
smart-Grid Control
systems: Moving towards
a self-healing Grid

Acoustics simulation in
Microphones, Mobile devices and
hearing Aids using COMsOL

effectively Managing
AutOsAR development
digitizing the Power Grid:
Fundamentals of smart Grid
sensing and Analytics

using MAtLAb to simulate and
Optimize Multiphysics designs
Parameter estimation and
Model validation of Generator/
excitation systems

New product release library:
http://spectrum.ieee.org/static/
new-product-release-library

IEEE SPECTRUM (ISSN 0018-9235) is published monthly by the Institute of electrical and electronics engineers, Inc. All rights reserved. © 2011 by the Institute of electrical and electronics
engineers, Inc., 3 park Avenue, New york, Ny 10016-5997, u.S.A. the editorial content of Ieee Spectrum magazine does not represent official positions of the Ieee or its organizational units.
canadian post International publications mail (canadian Distribution) Sales Agreement No. 40013087. return undeliverable canadian addresses to: circulation Department, Ieee Spectrum,
box 1051, Fort erie, oN L2A 6c7. cable address: ItrIpLee. Fax: +1 212 419 7570. INterNet: spectrum@ieee.org. ANNuAL SubScrIptIoNS: Ieee members: $21.40 included in dues. Libraries/
institutions: $399. poStmASter: please send address changes to Ieee Spectrum, c/o coding Department, Ieee Service center, 445 Hoes Lane, box 1331, piscataway, NJ 08855. periodicals
postage paid at New york, Ny, and additional mailing offices. canadian GSt #125634188. printed at 120 Donnelley Dr., Glasgow, Ky 42141-1060, u.S.A. Ieee Spectrum circulation is audited
by bpA Worldwide. Ieee Spectrum is a member of American business media, the magazine publishers of America, and Association media & publishing. Ieee prohibits discrimination,
harassment, and bullying. For more information, visit http://www.ieee.org/web/aboutus/whatis/policies/p9-26.html.

spectrum.ieee.org

September 2011 * Ieee Spectrum * NA

3


http://spectrum.ieee.org http://http:// http://spectrum.ieee.org/kitetest0911 http://theinstitute.ieee.org http://spectrum.ieee.org/webinar http://spectrum.ieee.org/static/ http://www.ieee.org/web/aboutus/whatis/policies/p9-26.html http://spectrum.ieee.org

Table of Contents for the Digital Edition of IEEE Spectrum September, 2011

IEEE Spectrum September, 2011 - Cover1
IEEE Spectrum September, 2011 - Cover2
IEEE Spectrum September, 2011 - 1
IEEE Spectrum September, 2011 - 2
IEEE Spectrum September, 2011 - 3
IEEE Spectrum September, 2011 - 4
IEEE Spectrum September, 2011 - 5
IEEE Spectrum September, 2011 - 6
IEEE Spectrum September, 2011 - 7
IEEE Spectrum September, 2011 - 8
IEEE Spectrum September, 2011 - 9
IEEE Spectrum September, 2011 - 10
IEEE Spectrum September, 2011 - 11
IEEE Spectrum September, 2011 - 12
IEEE Spectrum September, 2011 - 13
IEEE Spectrum September, 2011 - 14
IEEE Spectrum September, 2011 - 15
IEEE Spectrum September, 2011 - 16
IEEE Spectrum September, 2011 - 17
IEEE Spectrum September, 2011 - 18
IEEE Spectrum September, 2011 - 19
IEEE Spectrum September, 2011 - 20
IEEE Spectrum September, 2011 - 21
IEEE Spectrum September, 2011 - 22
IEEE Spectrum September, 2011 - 23
IEEE Spectrum September, 2011 - 24
IEEE Spectrum September, 2011 - 25
IEEE Spectrum September, 2011 - 26
IEEE Spectrum September, 2011 - 27
IEEE Spectrum September, 2011 - 28
IEEE Spectrum September, 2011 - 29
IEEE Spectrum September, 2011 - 30
IEEE Spectrum September, 2011 - 31
IEEE Spectrum September, 2011 - 32
IEEE Spectrum September, 2011 - 33
IEEE Spectrum September, 2011 - 34
IEEE Spectrum September, 2011 - 35
IEEE Spectrum September, 2011 - 36
IEEE Spectrum September, 2011 - 37
IEEE Spectrum September, 2011 - 38
IEEE Spectrum September, 2011 - 39
IEEE Spectrum September, 2011 - 40
IEEE Spectrum September, 2011 - 41
IEEE Spectrum September, 2011 - 42
IEEE Spectrum September, 2011 - 43
IEEE Spectrum September, 2011 - 44
IEEE Spectrum September, 2011 - 45
IEEE Spectrum September, 2011 - 46
IEEE Spectrum September, 2011 - 47
IEEE Spectrum September, 2011 - 48
IEEE Spectrum September, 2011 - 49
IEEE Spectrum September, 2011 - 50
IEEE Spectrum September, 2011 - 51
IEEE Spectrum September, 2011 - 52
IEEE Spectrum September, 2011 - 53
IEEE Spectrum September, 2011 - 54
IEEE Spectrum September, 2011 - 55
IEEE Spectrum September, 2011 - 56
IEEE Spectrum September, 2011 - 57
IEEE Spectrum September, 2011 - 58
IEEE Spectrum September, 2011 - 59
IEEE Spectrum September, 2011 - 60
IEEE Spectrum September, 2011 - 61
IEEE Spectrum September, 2011 - 62
IEEE Spectrum September, 2011 - 63
IEEE Spectrum September, 2011 - 64
IEEE Spectrum September, 2011 - 65
IEEE Spectrum September, 2011 - 66
IEEE Spectrum September, 2011 - 67
IEEE Spectrum September, 2011 - 68
IEEE Spectrum September, 2011 - 69
IEEE Spectrum September, 2011 - 70
IEEE Spectrum September, 2011 - 71
IEEE Spectrum September, 2011 - 72
IEEE Spectrum September, 2011 - Cover3
IEEE Spectrum September, 2011 - Cover4
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1217
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1117
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1017
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0917
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0817
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0717
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0617
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0517
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0417
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0317
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0217
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0117
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1216
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1116
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1016
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0916
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0816
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0716
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0616
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0516
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0416
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0316
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0216
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0116
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1215
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1115
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1015
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0915
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0815
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0715
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0615
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0515
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0415
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0315
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0215
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0115
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1214
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1114
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1014
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0914
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0814
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0714
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0614
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0514
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0414
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0314
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0214
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0114
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1213
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1113
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1013
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0913
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0813
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0713
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0613
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0513
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0413
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0313
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0213
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0113
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1212
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1112
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1012
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0912
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0812
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0712
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0612
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0512
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0412
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0312
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0212
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0112
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1211
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1111
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1011
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0911
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0811
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0711
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0611
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0511
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0411
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0311
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0211
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0111
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1210
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1110
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1010
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0910
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0810
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0710
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0610
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0510
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0410
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0310
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0210
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0110
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1209
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1109
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1009
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0909
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0809
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0709
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0609
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0509
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0409
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0309
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0209
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0109
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1208
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1108
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1008
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0908
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0808
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0708
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0608
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0508
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0408
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0308
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0208
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0108
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1207
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1107
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_1007
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0907
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0807
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0707
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0607
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0507
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0407
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0307
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0207
https://www.nxtbook.com/nxtbooks/ieee/spectrum_na_0107
https://www.nxtbookmedia.com