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1 hour ago | News
Galileo Galilei’s experiments on the
motions of falling and rolling objects, described in his 1638 book, Two
New Sciences, are considered by many
to be the beginning of modern science. Now researchers at MIT have
conducted a
variation on his experiments that has produced unexpected results.
22 hours ago | News
A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200. The ability to control light pulses on an integrated chip-based platform is a major step toward the realization of all-optical quantum communication networks, with potentially vast improvements in ultra-low-power performance.
22 hours ago | News
Researchers
at the University of California, San
Diego have revealed new details about how
cannibalistic bacteria identify peers suitable for consumption. The
work, which
employed imaging mass spectrometry, is a first step toward a broader
effort to
map all signaling molecules between organisms.
23 hours ago | News
After heavy rains and winds from Hurricane Earl pummeled
their operations base in St. Croix, Virgin Islands, three Purdue
University students continue to
collect data as part of a team flying over the tropical Atlantic
Ocean to take measurements of what might develop into tropical
storm Gaston.
23 hours ago | News
Engineers at Harvard University have
created a millionth-scale automobile differential to govern the flight
of
minuscule aerial robots that could someday be used to probe
environmental
hazards, forest fires, and other places too perilous for people.
23 hours ago | News
Researchers at the California Institute of Technology
(Caltech) have devised a new technique—using a sheet of carbon just one
atom
thick—to visualize the structure of molecules. The technique, which was
used to
obtain the first direct images of how water coats surfaces at room
temperature,
can also be used to image a potentially unlimited number of other
molecules,
including antibodies and other biomolecules.
Sep 7 | News
Plants are good at doing what scientists
and engineers have been struggling to do for decades: converting
sunlight into
stored energy, and doing so reliably day after day, year after year. Now
some
MIT scientists have succeeded in mimicking a key aspect of that process.
Sep 2 | News
Using
zinc oxide nanowires, Georgia Tech researchers have brought mechanical
strain into use in a logic device that includes both transistors and
diodes. When force is applied to the wires, an electrical field is
created across two electrodes, strong enough to serve at gate voltage.
Sep 2 | News
A “game-changing” technique using near infrared light enables scientists to look deeper into the guts of cells, potentially opening up a new frontier in the fights against cancer and many other diseases. University of Central Florida chemists used near infrared light and fluorescent dye to take pictures of cells and tumors deep within tissue.
Sep 2 | News
Protecting helicopters in combat from heat-seeking missiles is the goal of new laser technology created at the University of Michigan and Omni Sciences, Inc., which is a U-M spin-off company. Using inexpensive, off-the-shelf telecommunications fiber optics, sturdy and portable "mid-infrared supercontinuum lasers" are being developed that could blind heat-seeking weapons from a distance of 1.8 milles away.