scientific american special edition - 2002 vol 12 no1 - the hidden mind

... René Magritte.COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC. 12 SCIENTIFIC AMERICAN THE HIDDEN MIND your brain infers about the front wouldcome from some kind of three-dimen-sional representation. ... respond to only the currently “perceived” figure; the neuronal response to the “unseen” image is suppressed. COPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.14 SCIENTIFIC AMERICAN THE HIDDEN MIND the visual ... and other areas)Optic chiasmOptic nerveLateralgeniculatenucleiCOPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.24 SCIENTIFIC AMERICAN THE HIDDEN MIND that we are mostly unaware of the activ-ity...

... away some of the gas in the collaps-ing clump. But these effects depend strong-ly on the presence of heavy elements in the gas, and therefore they should be less im-portant for the earliest ... futureINTRODUCTION 2002 SCIENTIFIC AMERICAN Volume 12 Number 2contents SCIENTIFIC AMERICAN Volume 12 Number 2cosmosEXPANSIONEVOLUTIONCOPYRIGHT 2002 SCIENTIFIC AMERICAN, INC.tures living in a perfectly flat, two-dimensional ... molecular clouds in the nearbypart of the Milky Way, the Jeans mass isroughly equal to the mass of the sun, and the masses of the prestellar clumps ob-served in these clouds are about the same.If...

... MANAGER21 2-4 5 1-8 228twhiting@sciam.comKevin Gentzel21 2-4 5 1-8 820kgentzel@sciam.comRandy James21 2-4 5 1-8 528rjames@sciam.comStuart M. Keating21 2-4 5 1-8 525skeating@sciam.comWanda R. Knox21 2-4 5 1-8 530wknox@sciam.comDETROITEdward ... MANAGER31 0-4 7 7-9 299 fax 31 0-4 7 7-9 179lcarden@sciam.comSAN FRANCISCODebra Silver SAN FRANCISCO MANAGER41 5-4 0 3-9 030 fax 41 5-4 0 3-9 033dsilver@sciam.comDALLAS THE GRIFFITH GROUP97 2-9 3 1-9 001 fax 97 2-9 3 1-9 074lowcpm@onramp.netCANADAFENN ... MANAGER24 8-3 5 3-4 411 fax 24 8-3 5 3-4 360ebartley@sciam.comCHICAGORandy James CHICAGO REGIONAL MANAGER31 2-2 3 6-1 090 fax 31 2-2 3 6-0 893rjames@sciam.comLOS ANGELESLisa K. Carden WEST COAST MANAGER31 0-4 7 7-9 299...

... quantum theory that is con-sistent with the special theory of relativi-ty will look like a renormalizable quan-tum field theory at low energies. But al-though the infinities are still canceled,these ... anytrouble recognizing the truth of the fun-damental unified theory. The test will bewhether the theory successfully accountsfor the measured values of the physicalconstants of the Standard Model, ... up two di-mensions, the fundamental string and the solitonic string each acquire a T-duality.But here is the miracle: the T-duality of the solitonic string is just the S-duality of the fundamental...

... including the pres-ence or absence of nearby radiation-emitting stars.On the other hand, astronomer David F. Gray of the Univer-sity of Western Ontario in Canada has challenged the existenceof the ... rotate—59 Earth-days—and the peri-od required for it to complete a circuitof the sun—88 Earth-days. Mercury ap-pears locked into this 2:3 ratio of rota-tional to revolutionary periods by the sun’s ... plan-ets around other stars would require an array of space tele-scopes the size of the U.S. But pictures of Earth do not reveal the presence of life unless they are taken at very high resolu-tion....

... through 1 2- hour stepsin the model simulations to see the virtu-al weather evolve. The models show a strong low-pressuretrough over New Mexico moving east-ward, drawing moisture from the Gulf ... workstations called the Ad-vanced Weather Interactive ProcessingSystem, or AWIPS. Often called the cen-tral nervous system of the weather serv-ice, this system connects all the officesaround the country, ... October 9, 1999, in the mid-At-lantic region, the National Weather Service tracked the movement of low- and high-pressuresystems (Ls and Hs) across the country (maps). Low-pressure systems often...