scientific american special online issue - 2006 no 26 - the nanotech revolution

... AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.17 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE JANUARY 2006 the notion of harnessing nanotechnologyfor electronic ... Guarini may repre-sent the most promising way to get nanotechnologyadopted as a real manufacturing tool. The greatest ex-citement is that these materials aren’t just in the poly-mer-science laboratory ... for the nanodrive. The “form fac-tor” can be all-important in the con-sumer electronics marketplace, speci - cally in the mobile area, which we hadchosen to address first. The Road AheadIN THE...

... blocks together and matchingtheir colors and shapes.10 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE MARCH 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.11 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE ... of the damageas a SOFTWARE PROBLEM amenableto reprogramming via therapy.COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE MARCH 2006 COPYRIGHT 2006 SCIENTIFIC ... low-incomeAppalachian five- to 10-year-olds, whoattended a mission school in the moun-tains of eastern Kentucky. We recordedspeech in the classroom, on the play-ground, in the halls and in the...

... ONLINE ISSUE APRIL 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.19 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE APRIL 2006 aquatic creatures, the cnidarians, are slightly more complex; they have ... BACHAR21 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE APRIL 2006 CAMBRIAN COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC. the creature probably scooted along the seafl oor to feed. At one end of the oval, the ... related not to locomotion but to an increased reliance on breathing air.25 SCIENTIFIC AMERICAN APRIL 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC. 26 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE...

... 2006 SCIENTIFIC AMERICAN, INC.17 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE MAY 2006 against a preferred frame and they swal-low the infi nite redshifting, or they as-sume that photons do not ... en-ergy of the fl uid fl ow. The dominant tone of the noise de-pends on the geometry; the typical wave-length of the observed phonons is compa-rable to the distance over which the fl ow velocity ... some unknown kind of “molecules.”GEORGE RETSECK COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE MAY 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.18 SCIENTIFIC...

... 93/.n6ACILLATINGMOODShBETWEENFRENZYANDLETHARGYvSPENDTHRIFTALCOHOLIChFITSvINSANITY -! 29Bh&EROCIOUSPESSIMISMvCONSTANTQUARRELINGANDGLOOMINESS#(!2,%3$g%9.#/524nh)NHERITEDHISFATHERSINSTABILITYANDFRETFULNESSvSPENDTHRIFTTENDENCIESEXPANSIVEGRANDIOSEACTIVITIESANDINTERESTS-ANICDEPRESSIVEILLNESS!,&2%$n2ECURRENTDEPRESSIONTHATREQUIREDTREATMENTTRANCESPOSSIBLYEPILEPTICBUTNOTTHOUGHTSOBYPHYSICIANPOSSIBLYTRANSIENTHYPOMANICEPISODEShDWELLINGINANELEMENTOFGLOOMv!24(52nh3UFFEREDMUCHFROMDEPRESSIONvONEYEARIN#RICHTON)NSTITUTIONFOR THE )NSANE#(!2,%3n!DDICTEDTOLAUDANUMhCOMPLETENERVOUSBREAKDOWNvHADTOBESEGREGATEDFROMOUTSIDEWORLDEXTREMEMOODSWINGSANDhRECURRENTFITSOFPSYCHOPATHICDEPRESSIONv%$7!2$n#ONFINEDININSANEASYLUMFORALMOSTYEARSSEVEREMELANCHOLIADEATHFROMMANICEXHAUSTION3%04 )-5 3nh3UFFEREDFROMNERVOUSDEPRESSIONvFREQUENTTREATMENTSFORMELANCHOLIAhTHEMOSTMORBIDOFALL THE 4ENNYSONSv(/2!4)/nh3TRANGEPERSONALITYWASLEGENDARYvhRATHERUNUSEDTOTHISPLANETvPERCEIVEDHIMSELFASVULNERABLETO THE hWEAKNESSOF THE 4ENNYSONIANTEMPERAMENTv2AGEUNSTABLEMOODSANDORINSANITY -! 4),$!nh3OMEMENTALDERANGEMENTvOCCASIONALLYATTRIBUTEDTOCHILDHOODACCIDENTRELIGIOUSOBSESSIONShDIDNOTENTIRELYESCAPE THE BLACKBLOODEDNESSOF THE 4ENNYSONSvLISA BURNETT The Tainted Blood of the TennysonsCOPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.1 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE ... ISSUE AUGUST 2006 COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.19 SCIENTIFIC AMERICAN EXCLUSIVE ONLINE ISSUE AUGUST 2006 13 times the current U.S. national rate.In 1992 Arnold M. Ludwig of the University ... himself.COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC.24 SCIENTIFIC AMERICANEXCLUSIVE ONLINE ISSUE AUGUST 2006 pronounced right-hemisphere gifts (that is, in math, music, art) are disproportionately nonright-handed...

... WAR: THE SE-CRET HISTORY OF THE GER-MAN BOMB. Thomas Powers. Al-fred A. Knopf, 1993. SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 14 The Science of War: Nuclear HistoryCOPYRIGHT 2002 SCIENTIFIC AMERICAN, ... weaponry. Verysoon after the July test, some 60 of usflew from Los Alamos to the North Pa-cific to assist in the assembly of these SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 9 The Science of War: Nuclear ... were verysuggestive, they did not, at least when Ifirst read them, settle the issue com-pletely. The Bethe-Teller memorandumdid hold significant clues, but I will re-turn to them later. Oppenheimer’s...

... KAMAJIAN21 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002originally published April 1996COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE 22 The Search ... OBSCUREDPLANET25 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.form perfect images. If the halo sur-rounding the star extends beyond the planet’s orbit, then ... MILLER12 SCIENTIFIC AMERICAN SPECIAL ONLINE ISSUE NOVEMBER 2002COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.ly force us to take our search to the far side of the moon, the one place in the solar...

... anoth-er and the rest of Europe by the retreat of the sea to form the backbone of the Ital-ian peninsula. Large-bodied and small-brained, this creature is so unusual look-ing that it is not ... piecetogether the evolutionary history of our ex-tended family. Ongoing fieldwork promis-es to fill some of the gaps in our knowl-edge. But until then, we must hypothesizebased on what we know. The ... dryly. Rather, White sug-gests, there is no evidence that the base of the family tree is any-thing other than a trunk. He thinks that the new finds might allrepresent snapshots of the Ardipithecus...

... the surgeon from Argentina, gave the beat-ing-heart approach another boost. Hepioneered an operation involving a lim-ited eight-centimeter incision be- tween the ribs on the left side of the ... cluster of con-duction tissue cells collectively known as the sinoatrial node. This node, located at the top of the right atrium, establishes the tempo of the heartbeat; hence, it is of-ten referred ... clearly dis-cern when a wave of impulses crossedany point on the muscle.I was now ready to discuss our pro-posed strategy with the banker. Notknowing whether the origin of the cir-cuit the zone...

... be slow (or may not hap-pen at all).If the immune response to conserved epi-topes is not strong enough to control the vi-ral population on its own, but the combinedeffort of the responses ... eliminate a virus if the mi-crobe did not change. On the other hand, if the epitope fueling the dominant responsemutates, the corresponding T cell clone maynot recognize the mutant. Viral particlesbearing ... then multiply virtu-ally unnoticed. Sometimes the immune sys-tem will catch up with the renegade groupand mount a defense targeted against the new version of the epitope, but other timesthe...