scientific american - 2000 10 - robotic surgery

... dis- eases, suggesting that a universal therapy is possible. Copyright 2000 Scientific American, Inc. Scientific American October 2000 27www.sciam.com pretty well,” he says. “They can run 10 miles ... of Nabada Robotic Surgery W WEB IRELESS Handheld Internet WAP Gateways Cellular Networks THE FUTURE OF Copyright 2000 Scientific American, Inc. Profile32 Scientific American...

Ngày tải lên: 12/05/2014, 16:05

... mil- lion person-days of restricted activity, 65 million person-days of chest discom- fort, 100 million person-days of head- ache, 120 million person-days of cough- ing, 180 million person-days ... Ross 28 SCIENTIFIC AMERICAN October 1993 BUGS INSIDE BUGS: Raœl J. Cano and an amber-clad, bacteria-laden insect. STEVE STARR SABA Copyright 1993 Scientific American, Inc. O ne might expec...

Ngày tải lên: 12/05/2014, 14:50

... 330 REDSHIFT 0.50 DENSITY 0 .10. 01 RELATIVE ABUNDANCE 1.0 1.0 10 -2 10 -4 10 -6 10 -8 10 -1 0 HELIUM HELIUM 3 LITHIUM DEUTERIUM Copyright 1994 Scientific American, Inc. would still be detectable in the existing universe. D espite ... DNA POWERED, HEAVIER- THAN-AIR FLIGHT THEORY OF RELATIVITY COMMUNICATIONS SATELLITE TRANSISTOR Copyright 1994 Scientific American...

Ngày tải lên: 12/05/2014, 14:58

... diphtheria-tetanus-pertussis and mea- sles-mumps-rubella are required for public school ad- mission. The chicken pox vaccine may join the list. JOHN CHIASSON Gamma Liaison Copyright 1995 Scientific American, ... Liaison DAN BURTON Copyright 1995 Scientific American, Inc. keen appreciation that magnetic con- taminants were common in the labora- tory. They could even be traced to fac- to...

Ngày tải lên: 12/05/2014, 15:02

... pursuits ranging from can- cer to mental health is the Office of Al- ternative Medicine ( OAM). The OAM administers a $7.48-million-a-year pro- gram to assist the medical establish- ment and the public ... nostrums, potions and electro- magnetic-field generators. Wayne B. Jonas is the tall, athletic- looking, 41-year-old head of the OAM. His job —and that of about a dozen oth- er NIH employee...

Ngày tải lên: 12/05/2014, 15:15

... Mobility60 Scientific American October 1997 0 10 20 30 40 50 60 70 80 90 100 100 10, 000 100 ,000 AVERAGE INCOME PER PERSON (1985 U.S. DOLLARS) SHARE OF TRAFFIC VOLUME (PERCENT OF PASSENGER-KILOMETERS) 1,000 WESTERN ... organi- zations. Within those top-level do- mains, second-level identifiers distin- guish types of organizations. This thoughtfully structured system has been stable...

Ngày tải lên: 12/05/2014, 15:30

... Technology Ronald L. Rivest 95 98 106 110 116 1100 100 010 10 1100 1 0101 1001 100 0100 1 OF MESS GE KEY CIPHER Molecular prescription (page 17) Copyright 1998 Scientific American, Inc. of many smaller ... illustrated scientific articles, current issue highlights, ask the editors, our on-line store, subscrip- tions, e-mail, and other features not found in Scientific American,...

Ngày tải lên: 12/05/2014, 15:47

... pro- vide individual investors with the same sophisticated analysis tools used by pension-fund managers. The company launched its $60-a-year, consumer- advice service in June. Similar to large-scale weather ... testing, Financial Engines em- ploys simulation mod- els to forecast how a 401(k) portfolio is likely to perform un- der possible combina- tions of interest, equi- ty returns and infla...

Ngày tải lên: 12/05/2014, 15:59

... and its technol- ogy last July, the FAA gathered 24 ADS- B-equipped aircraft of various sizes (everything from a Boeing 757 and sev- eral 727s to a navy P-3 Orion and a sin- gle-engine Piper ... be- come part-time adminis- trators. Clinical research, which was in decline, has picked up, and a construc- tion boom is under way. “He is the first director of the NIH of world-class sci- entific .....

Ngày tải lên: 12/05/2014, 16:01

... 10 –5 3 × 10 –5 3.0 × 10 –5 NEON NEON 1.1 × 10 –5 unmeasured 1.1 × 10 –4 ARGON ARGON 7.5 × 10 –6 unmeasured 3.0 × 10 –6 KRYPTON KRYPTON 2.5 × 10 –9 unmeasured 9.2 × 10 10 XENON XENON 1.1 × 10 10 unmeasured ... 1.0 × 10 –3 2 × 10 –3 3.6 × 10 –4 NITROGEN AMMONIA 4.0 × 10 –4 3 ± 1 x 10 –4 1.1 × 10 –4 OXYGEN WATER 3.0 × 10 –4 unmeasured 8.5 × 10 –4 SULFUR HYD...

Ngày tải lên: 12/05/2014, 16:01