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<br /> IN ThIs Issue:<br /> Methane and Microbes • Time and Entropy • Sound and Light<br /> California Institute of Technology<br /> Volume lXXIII, Number 1, WINTer 2010<br /> on the cover<br /> Hundreds of blind Yeti crabs crawl on top of each other 1,000 meters un-<br /> derwater off the coast of Costa Rica. Scientists aboard the Alvin submers-<br /> ible first discovered the species in 2005 near Easter Island. Researchers<br /> from Assistant Professor of Geobiology Victoria Orphan’s lab took this<br /> picture in February 2009, also from aboard Alvin. To see what Orphan’s<br /> lab has been discovering on the seafloor, turn to page 12.<br /> “Plenty Of rOOm At the BOttOm” turns 50<br /> What is frequently cited as nanotechnology’s seminal paper was published in these very pages in the<br /> february 1960 issue. the article, subtitled “an in<a title="Engineering &amp; Science Winter 2010 page 1" href="http://viewer.zmags.com/publication/9810a52f?page=1"> IN ThIs Issue: Methane and Microbes • Time and En</a> <a title="Engineering &amp; Science Winter 2010 page 2" href="http://viewer.zmags.com/publication/9810a52f?page=2"> </a> <a title="Engineering &amp; Science Winter 2010 page 3" href="http://viewer.zmags.com/publication/9810a52f?page=3"> Volume lXXIII, Number 1, wINter 2010 2 rando</a> <a title="Engineering &amp; Science Winter 2010 page 4" href="http://viewer.zmags.com/publication/9810a52f?page=4"> RaNdom Walk Annenberg Center DeDiCAteD On Oct</a> <a title="Engineering &amp; Science Winter 2010 page 5" href="http://viewer.zmags.com/publication/9810a52f?page=5"> The Annenberg Center fronts on the Moore Walk, op</a> <a title="Engineering &amp; Science Winter 2010 page 6" href="http://viewer.zmags.com/publication/9810a52f?page=6"> Left: Floor-to-ceiling windows opening into the a</a> <a title="Engineering &amp; Science Winter 2010 page 7" href="http://viewer.zmags.com/publication/9810a52f?page=7"> Dim AnD Dimmer University of North Carolina at </a> <a title="Engineering &amp; Science Winter 2010 page 8" href="http://viewer.zmags.com/publication/9810a52f?page=8"> The data, from 12,000 hours of telescope time</a> <a title="Engineering &amp; Science Winter 2010 page 9" href="http://viewer.zmags.com/publication/9810a52f?page=9"> have a hunch that they are actually fairly common</a> <a title="Engineering &amp; Science Winter 2010 page 10" href="http://viewer.zmags.com/publication/9810a52f?page=10"> Carolyn Valdez (right) explains the setup to C</a> <a title="Engineering &amp; Science Winter 2010 page 11" href="http://viewer.zmags.com/publication/9810a52f?page=11"> point to 100 percent of one metal at each tip of </a> <a title="Engineering &amp; Science Winter 2010 page 12" href="http://viewer.zmags.com/publication/9810a52f?page=12"> The “SOLD” banner comes down from the facade of M</a> <a title="Engineering &amp; Science Winter 2010 page 13" href="http://viewer.zmags.com/publication/9810a52f?page=13"> Following six months of intense planning and reco</a> <a title="Engineering &amp; Science Winter 2010 page 14" href="http://viewer.zmags.com/publication/9810a52f?page=14"> Sixteen panels of four different clumps of marin</a> <a title="Engineering &amp; Science Winter 2010 page 15" href="http://viewer.zmags.com/publication/9810a52f?page=15"> By Marcus Y. Woo Graduate student Abigai</a> <a title="Engineering &amp; Science Winter 2010 page 16" href="http://viewer.zmags.com/publication/9810a52f?page=16"> the reason there’s oxygen in the air.” Orphan add</a> <a title="Engineering &amp; Science Winter 2010 page 17" href="http://viewer.zmags.com/publication/9810a52f?page=17"> Right: These festive blobs are clusters of mic</a> <a title="Engineering &amp; Science Winter 2010 page 18" href="http://viewer.zmags.com/publication/9810a52f?page=18"> Right: Dekas holds one of the tubes used t</a> <a title="Engineering &amp; Science Winter 2010 page 19" href="http://viewer.zmags.com/publication/9810a52f?page=19"> Far left: Posing with Alvin are postdoc Burt Thom</a> <a title="Engineering &amp; Science Winter 2010 page 20" href="http://viewer.zmags.com/publication/9810a52f?page=20"> Left: The researchers encounter an octopus as the</a> <a title="Engineering &amp; Science Winter 2010 page 21" href="http://viewer.zmags.com/publication/9810a52f?page=21"> Left: During a flyby of Titan in 2006, Cassi- ni </a> <a title="Engineering &amp; Science Winter 2010 page 22" href="http://viewer.zmags.com/publication/9810a52f?page=22"> The Arrow of Time Why do we remember the past and</a> <a title="Engineering &amp; Science Winter 2010 page 23" href="http://viewer.zmags.com/publication/9810a52f?page=23"> by Sean Carroll waves, never waves, splash, spit </a> <a title="Engineering &amp; Science Winter 2010 page 24" href="http://viewer.zmags.com/publication/9810a52f?page=24"> derived from deeper underlying principles. In par</a> <a title="Engineering &amp; Science Winter 2010 page 25" href="http://viewer.zmags.com/publication/9810a52f?page=25"> lower entropy in the past). If the universe were </a> <a title="Engineering &amp; Science Winter 2010 page 26" href="http://viewer.zmags.com/publication/9810a52f?page=26"> If you know the exact state of the universe, and </a> <a title="Engineering &amp; Science Winter 2010 page 27" href="http://viewer.zmags.com/publication/9810a52f?page=27"> future can be changed, but the fundamental laws o</a> <a title="Engineering &amp; Science Winter 2010 page 28" href="http://viewer.zmags.com/publication/9810a52f?page=28"> The Light and Sound Fantastic By Douglas L. </a> <a title="Engineering &amp; Science Winter 2010 page 29" href="http://viewer.zmags.com/publication/9810a52f?page=29"> Below: Photons can only run along the bridge for </a> <a title="Engineering &amp; Science Winter 2010 page 30" href="http://viewer.zmags.com/publication/9810a52f?page=30"> </a> <a title="Engineering &amp; Science Winter 2010 page 31" href="http://viewer.zmags.com/publication/9810a52f?page=31"> “Imagine you pluck a note on a guitar, and then y</a> <a title="Engineering &amp; Science Winter 2010 page 32" href="http://viewer.zmags.com/publication/9810a52f?page=32"> In today’s phononic</a> <a title="Engineering &amp; Science Winter 2010 page 33" href="http://viewer.zmags.com/publication/9810a52f?page=33"> ballets involved in such things as a drug interac</a> <a title="Engineering &amp; Science Winter 2010 page 34" href="http://viewer.zmags.com/publication/9810a52f?page=34"> some 45 nanometers of empty space to a passing ce</a> <a title="Engineering &amp; Science Winter 2010 page 35" href="http://viewer.zmags.com/publication/9810a52f?page=35"> SOLID, SAFE, SECURE, AND STRONGER THAN EVER. </a> <a title="Engineering &amp; Science Winter 2010 page 36" href="http://viewer.zmags.com/publication/9810a52f?page=36"> Obituaries andrew lange 1957–2010 Andrew Lang</a> <a title="Engineering &amp; Science Winter 2010 page 37" href="http://viewer.zmags.com/publication/9810a52f?page=37"> james k. knowles 1931–2009 James K. Knowles, Ken</a> <a title="Engineering &amp; Science Winter 2010 page 38" href="http://viewer.zmags.com/publication/9810a52f?page=38"> Engineering & Science welcomes let- ters. Send co</a> <a title="Engineering &amp; Science Winter 2010 page 39" href="http://viewer.zmags.com/publication/9810a52f?page=39"> READY FOR A COMMITTED, LONG-TERM FINANCIAL RELATI</a> <a title="Engineering &amp; Science Winter 2010 page 40" href="http://viewer.zmags.com/publication/9810a52f?page=40"> California Institute of Technology Pasadena, Cali</a>