If you are visually impaired or blind, you can visit the PDF version by Pressing CONTROL + ALT + 4
<br /> IN ThIs Issue:<br /> Volcanoes and Earthquakes • Zombies and Celebrities<br /> • Aggression and Fruit Flies<br /> Volume lXXIII, Number 4, FAll 2010<br /> C a l i f o r n i a I n s t i t u t e o f Te c h n o l o g y <br /> on the cover<br /> teaching a computer how to spot you in a crosswalk could be a<br /> first step toward teaching it how to figure out what you’re thinking.<br /> From left: Postdocs Piotr Dollar and Michael Maire and profes-<br /> sors Pietro Perona and David Anderson put the caltech Pedestrian<br /> Detector through its paces. (the number in each box measures the<br /> computer’s confidence that the object in the box is a person.) But<br /> since humans are so complex, the researchers are starting small—<br /> turn to page 25 to find out how small.<br /> Tedx CalTeCh—January 14,<a title="E&amp;S Fall 2010 page 1" href="http://viewer.zmags.com/publication/cce19af8?page=1"> IN ThIs Issue: Volcanoes and Earthquakes • Zombie</a> <a title="E&amp;S Fall 2010 page 2" href="http://viewer.zmags.com/publication/cce19af8?page=2"> </a> <a title="E&amp;S Fall 2010 page 3" href="http://viewer.zmags.com/publication/cce19af8?page=3"> VoluMe lXXIII, nuMBer 4, Fall 2010 2 random Wal</a> <a title="E&amp;S Fall 2010 page 4" href="http://viewer.zmags.com/publication/cce19af8?page=4"> random walk operation: mars antenna In a marri</a> <a title="E&amp;S Fall 2010 page 5" href="http://viewer.zmags.com/publication/cce19af8?page=5"> OppOsite page top left: sometimes low-tech fixes </a> <a title="E&amp;S Fall 2010 page 6" href="http://viewer.zmags.com/publication/cce19af8?page=6"> Having a Blast In 2007, soon after landing at N</a> <a title="E&amp;S Fall 2010 page 7" href="http://viewer.zmags.com/publication/cce19af8?page=7"> Far left: the aftermath of the fire that engulfed</a> <a title="E&amp;S Fall 2010 page 8" href="http://viewer.zmags.com/publication/cce19af8?page=8"> a map of the world—or rather the p</a> <a title="E&amp;S Fall 2010 page 9" href="http://viewer.zmags.com/publication/cce19af8?page=9"> anyone comparing a current map of Basel wi</a> <a title="E&amp;S Fall 2010 page 10" href="http://viewer.zmags.com/publication/cce19af8?page=10"> a map of tycho Brahe’s island of hven (now Ven) f</a> <a title="E&amp;S Fall 2010 page 11" href="http://viewer.zmags.com/publication/cce19af8?page=11"> Right: Using the “Brainbow” technique, in </a> <a title="E&amp;S Fall 2010 page 12" href="http://viewer.zmags.com/publication/cce19af8?page=12"> the pair of colliding galaxies known as the a</a> <a title="E&amp;S Fall 2010 page 13" href="http://viewer.zmags.com/publication/cce19af8?page=13"> Jonas Zmuidzi- nas (Bs ’81), the Kingsley profes</a> <a title="E&amp;S Fall 2010 page 14" href="http://viewer.zmags.com/publication/cce19af8?page=14"> Left: a spiderweb bolometer sits on a dime. Right</a> <a title="E&amp;S Fall 2010 page 15" href="http://viewer.zmags.com/publication/cce19af8?page=15"> if the human eye could see submillime- ter light,</a> <a title="E&amp;S Fall 2010 page 16" href="http://viewer.zmags.com/publication/cce19af8?page=16"> Left: Looking like a knight in a chain-mail hood,</a> <a title="E&amp;S Fall 2010 page 17" href="http://viewer.zmags.com/publication/cce19af8?page=17"> biology, and neurology to attack the funda- menta</a> <a title="E&amp;S Fall 2010 page 18" href="http://viewer.zmags.com/publication/cce19af8?page=18"> V5 (motion) </a> <a title="E&amp;S Fall 2010 page 19" href="http://viewer.zmags.com/publication/cce19af8?page=19"> Your brain wires up groups of cells that respond </a> <a title="E&amp;S Fall 2010 page 20" href="http://viewer.zmags.com/publication/cce19af8?page=20"> living The ZomBie life So what do zombies hav</a> <a title="E&amp;S Fall 2010 page 21" href="http://viewer.zmags.com/publication/cce19af8?page=21"> The two-eye test of con- sciousness. As the subje</a> <a title="E&amp;S Fall 2010 page 22" href="http://viewer.zmags.com/publication/cce19af8?page=22"> “Like It or Not, We Are Living on This Planet” </a> <a title="E&amp;S Fall 2010 page 23" href="http://viewer.zmags.com/publication/cce19af8?page=23"> Geobiologist Joe Kirschvink (BS ’75, MS ’75) and </a> <a title="E&amp;S Fall 2010 page 24" href="http://viewer.zmags.com/publication/cce19af8?page=24"> “The Icelandic eruption that we saw this spring w</a> <a title="E&amp;S Fall 2010 page 25" href="http://viewer.zmags.com/publication/cce19af8?page=25"> Three quarters of a billion years ago, massive</a> <a title="E&amp;S Fall 2010 page 26" href="http://viewer.zmags.com/publication/cce19af8?page=26"> “Why are we supporting this thing called the geol</a> <a title="E&amp;S Fall 2010 page 27" href="http://viewer.zmags.com/publication/cce19af8?page=27"> Sex, Flies, and Videotape By Douglas L. Smit</a> <a title="E&amp;S Fall 2010 page 28" href="http://viewer.zmags.com/publication/cce19af8?page=28"> on and off. “But I had always had fly envy,” Ander</a> <a title="E&amp;S Fall 2010 page 29" href="http://viewer.zmags.com/publication/cce19af8?page=29"> WHaT is “BeHavior,” anYWaY? Perona’s ultimate goa</a> <a title="E&amp;S Fall 2010 page 30" href="http://viewer.zmags.com/publication/cce19af8?page=30"> Right: Top and side views of three things CADA</a> <a title="E&amp;S Fall 2010 page 31" href="http://viewer.zmags.com/publication/cce19af8?page=31"> Figuring out which way the fly is facing provides </a> <a title="E&amp;S Fall 2010 page 32" href="http://viewer.zmags.com/publication/cce19af8?page=32"> Five seconds’ worth of Ctrax data—100 frames of </a> <a title="E&amp;S Fall 2010 page 33" href="http://viewer.zmags.com/publication/cce19af8?page=33"> tured out into the center more often. Each fly had</a> <a title="E&amp;S Fall 2010 page 34" href="http://viewer.zmags.com/publication/cce19af8?page=34"> Overactivating a neuron and looking for flies wit</a> <a title="E&amp;S Fall 2010 page 35" href="http://viewer.zmags.com/publication/cce19af8?page=35"> Map by Veronica Olazabal for Who’s Watching? Vide</a> <a title="E&amp;S Fall 2010 page 36" href="http://viewer.zmags.com/publication/cce19af8?page=36"> How I Killed Pluto and Why It Had It Coming By Mi</a> <a title="E&amp;S Fall 2010 page 37" href="http://viewer.zmags.com/publication/cce19af8?page=37"> self-descriptions. We see geek love in all its gl</a> <a title="E&amp;S Fall 2010 page 38" href="http://viewer.zmags.com/publication/cce19af8?page=38"> Global Trends, Global Futures: Living with Declin</a> <a title="E&amp;S Fall 2010 page 39" href="http://viewer.zmags.com/publication/cce19af8?page=39"> Disaster Deferred: How New Science Is C</a> <a title="E&amp;S Fall 2010 page 40" href="http://viewer.zmags.com/publication/cce19af8?page=40"> Red Star, Cres- </a> <a title="E&amp;S Fall 2010 page 41" href="http://viewer.zmags.com/publication/cce19af8?page=41"> Predicting the </a> <a title="E&amp;S Fall 2010 page 42" href="http://viewer.zmags.com/publication/cce19af8?page=42"> 40 ENGINEERING & SCIENCE sUMMER 2008</a> <a title="E&amp;S Fall 2010 page 43" href="http://viewer.zmags.com/publication/cce19af8?page=43"> For remembrances and information on memorial serv</a> <a title="E&amp;S Fall 2010 page 44" href="http://viewer.zmags.com/publication/cce19af8?page=44"> Feynman's Vision: The Next 50 Years 14 January 2</a> <a title="E&amp;S Fall 2010 page 45" href="http://viewer.zmags.com/publication/cce19af8?page=45"> Thad vreeland, Jr. 1924–2010 Thad Vreeland Jr., </a> <a title="E&amp;S Fall 2010 page 46" href="http://viewer.zmags.com/publication/cce19af8?page=46"> Help Caltech do something it does best: groundbre</a> <a title="E&amp;S Fall 2010 page 47" href="http://viewer.zmags.com/publication/cce19af8?page=47"> fall 2010 ENGINEERING & SCIENCE 45</a> <a title="E&amp;S Fall 2010 page 48" href="http://viewer.zmags.com/publication/cce19af8?page=48"> California Institute of Technology Pasadena, Cali</a>