scientific american - 1999 08 - the oxygen project
scientific american - 1999 08 - the oxygen project
... forms the 0 and 1 of the de-
vice
the absence or presence of one ex-
tra Cooper pair in the finger, which is
then called a single-Cooper-pair box.
The researchers test that their device
has the ... peas-
ant family to care for the three-
and-a-half-year-old Mario.
For a while, things went as
well as they could in the mid-
dle of a war. On the farm, the
boy watched the whe...
scientific american - 1996 08 - the electronic wallet
... to e-mail ad-
dresses—fax to the number, and the document, including graphics and signa-
tures, will appear in the recipient’s e-mail in-box. Received as a compressed
graphic bit-map file, the ... surgeons would then
direct the pellet through the brain by
adjusting the forces of the various mag-
nets. The pellet could tow a catheter,
electrode or other device to minister to...
scientific american - 2000 08 - global warming - the hidden health risk
... Oklahoma-northern Ark-
ansas-southern Missouri, the north-
ern part of the lower Michigan
peninsula and most of the na-
tion’s coastal areas.
—Rodger Doyle (rdoyle2@aol.com)
RODGER DOYLE
The U.S. ... more malleable,” Owren theorizes. In the same way, when
the men in the experiment laughed the most with other men,
they were probably honoring the age-old tradition of the bu...
scientific american - 1993 01 - the turbulent birth of the milky way
... 4,400
12-BILLION-YEAR-
OLD AGE TRACK
15-BILLION-YEAR-
OLD AGE TRACK
NGC 288
NGC 362
Copyright 1992 Scientific American, Inc.
means that within the halo the only re-
maining main-sequence stars are the
extremely ...
declines as the reefs get farther away
from two centersÑone in the Indo-Pa-
ciÞc and the other in the Caribbean.
The outlines of a map marking plum-
meting dive...
scientific american - 1993 08 - can particles move faster than light
... Witten com-
ments. ÒThey also donÕt attempt to con-
vey the importance of the ideas of phys-
ics in mathematics.Ó
JaÝe and Quinn have their support-
ers. Richard M. Schoen, a mathematician
at the Institute ... two infrared
ones. The two photons are emitted si-
multaneously, and the sum of their en-
ergies exactly equals the energy of the
parent photon. In other words, the col-...
scientific american - 1994 04 - the dilemmas of prostate cancer
... powers
can help them rise to the top.
Since then, the Morrises and Alexan-
der have had a falling-out, with each
side accusing the other of hogging cred-
it for the concept of nonlethality. ÒAlex-
ander ... of the AC Þeld. When the marble
is hopping down the egg tray with the
help of the AC Þeld, augmenting the av-
erage tilt of the egg tray by increasing
the DC voltag...
scientific american - 1994 08 - red tides - a growing hazaed
... suggests that the Reagan ad-
ministration seized on the radon issue
in the mid-1980s to counter its anti-
environment image. The issue suited Re-
publicans, he contends, because home-
ownersÑrather than ... it now sounds, the
young Mayr was not a follower of Dar-
win. Rather, like most other naturalists
of the day, he subscribed to Jean-Bap-
tiste LamarckÕs theory about the inhe...
scientific american - 1995 06 - the world's strongest magnets
... that
they were the few Cretaceous survivors.
The foundation of this theory began
to shake in 1981, when fossils of Òop-
posite birdsÓ were unearthed in China
and, then, all over the Northern Hemi-
sphere. ... and lead to the hy-
poactivity seen there during clinical de-
pression. If he is right, the theory would
explain the gender gap, at least in part.
Others at the NIMH have m...
scientific american - 1995 08 - a new theory of aids latency
... attractive, they undercut the
usage-based services on which they
make their money. In theory the compa-
nies can respond by adjusting their pric-
es to sell more ßat-rate services them-
selves. ... Òinductivist,
ameliorative, progressive, add-a-fact-at-
a-time-donÕt-theorize-till-youÕre-old mod-
el of doing science.Ó
When I ask Gould if he believes, as
Kuhn does, that science does not ad-...
scientific american - 1995 12 - the puzzle of consciousness
... planet. The
spacecraft examined the outer
expanses of the earthÕs magnet-
ic Þeld and took the Þrst mea-
surements of the moonÕs far
side since the days of the Apol-
lo program. These images re-
vealed ... first slide the
trousers off onto the rope, then push one
leg through the other. The outside leg is
reversed twice in the process, leaving the
trousers on the ro...