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Scientists envision self-repairing planes | |
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Gizmorama - Scientists envision self-repairing planes
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Good Morning,
Have you already made your plans for the holiday weekend yet?
Hopefully it will include some rest and relaxation, and that
the weather will cooperate with all of your outdoor plans.
Enjoy today's articles!
Until Tomorrow,
Erin
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Fish filmed flying 45 seconds
A fish flew above the water for 45 seconds off the southern
coast of Japan, video of the rare flight shows. The fish,
filmed by an NHK crew, was traveling parallel to a ferry that
was going about 20 miles per hour, the BBC reported Tuesday.
The fish remained airborne while occasionally beating the
surface of the water with its tail fin. The fish's flight
apparently was one of the longest on record, the British
network reported. An American researcher reported seeing a
fish fly for 42 seconds in the 1920s. There are about 40
species of "flying fish." They actually glide rather than
power their flights by flapping.
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Scientists envision self-repairing planes
British scientists say they have created a technique that
enables a damaged aircraft to mend itself automatically --
even during flight. Bristol University researchers said that
with the technique, should a tiny hole or crack appear in the
airplane, epoxy resin would "bleed" from embedded vessels near
the site and quickly seal the rupture, restoring structural
integrity. By mixing dye into the resin, any of the repairs
could easily be pinpointed during subsequent ground
inspections. The Bristol engineers said their technique has
potential to be applied wherever fiber-reinforced polymer
composites are used. And, since the light-weight, high-
performance polymer composites are also used in cars, wind
turbines and spacecraft, the new self-repair system could
have a wide impact. "This approach can deal with small-scale
damage that's not obvious to the naked eye but which might
lead to serious failures in structural integrity if it
escapes attention," said Ian Bond, who led the project. "It's
intended to complement, rather than replace,,,, conventional
inspection and maintenance routines." The researchers said the
new self-repair technique could be available for commercial use
within about four years.
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Drug may be first to treat the common cold
U.S. medical scientists say they've discovered a smallpox drug
might also target the adenovirus -- one cause of the common cold.
The researchers at St. Louis University said their findings might
lead to the first human testing of a drug to target the adenovirus,
which not only causes the common cold, but also several severe
upper-respiratory infections. There are no drugs approved
specifically to treat adenovirus infections, in large part
because there has been no animal model in which to test drug
candidates -- a key prerequisite before testing in humans.
Now, the SLU scientists and their collaborators report two
breakthrough findings: an animal model suitable for adenovirus
testing -- in this case using Syrian hamsters -- and a drug
that successfully attacks the adenovirus in the animals.
The drug, hexadecyloxypropyl-cidofovir is under development
by Chimerix Inc. as a biodefense agent to meet the threat of
smallpox or monkeypox viruses, and as an antiviral agent in
transplant patients. The SLU research appears in the early
online edition of the Proceedings of the National Academy
of Sciences.
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