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Protecting Romaine Lettuce From Pathogens




Knowing the preferences of foodborne pathogens such as Escherichia coli O157:H7 is essential to a successful counterattack on these microbes. That's why microbiologists are scrutinizing the little-understood ability of E. coli O157:H7 and Salmonella enterica to contaminate romaine lettuce.


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Polymers: Facing the flip side
A blend of ferroelectric and semiconducting polymers provides a potential route to a memory technology compatible with low-cost printed electronics.
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Some Fundamental Interactions Of Matter Found To Be Fundamentally Different Than Thought
When an atom collides with a molecule, traditional wisdom said the atom had to strike one end of the molecule hard to deliver energy to it. People thought a glancing blow from an atom would be useless in terms of energy transfer, but that turns out not to be the case. "We have a new understanding of how energy can be transferred in collisions at the molecular scale," said Richard Zare, of Stanford University.
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Western Infirmary Install S2000 Ultrasound System, The First In The UK
Western Infirmary, part of NHS Greater Glasgow and Clyde in Scotland, has installed the first UK ACUSON S2000 ultrasound system from Siemens. It joins an existing Siemens Antares ultrasound system and will be used for abdominal, thyroid, testicular and renal transplant imaging. The system delivers enhanced imaging quality and is ergonomically designed for ease of use.
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Large Blimps
well me and my friend vincent have completed our first blimp we constructed it out of space blankets and sealed the edges with packing tape. the envelope was constructed as a triangular prism 46 cubic feet. we hung the basket using four pieces of kite string at four points.
we made the "basket" out of one of those protector fake cds that you get with the spindles of recordable disks. we then glued 2 pieces of coat hanger wire and bent them downwards to mount the motors (with hot glue) we used a 9v battery for the power source, an rc car chip and controller, and some 5 inch airplane props mounted, because of the gears, by 5 small pieces of coat hanger wire by hot glue.

MOST GHETTO BLIMP EVER
pictures will be posted at
picasaweb.google.com/thatoneemail/blimp

note videos are with a fishing line attached to blimp (didn't want to loose it)

flaws:

-props aren't stable need to be readjusted after a while or would vibrate off the motor
-battery doesn't last very long and overheats
-helium leaks
-acts like a kite when you blow too hard
-have no control over vertical motion. (only two motor controls on chip)
-strings = loss of turning power

the only good things about it is the envelope is almost twice as big as it needs to be
meaning we have plenty of room for more helium if necessary and the motors are quite beefy meaning plenty of power to MOVE

my thoughts are to improve control, create a wire frame for the envelope to improve rigidity (no flexing or spinning with the strings) also gives it more mass so the wind doesn't have as much control (but also the props the same sadly)

what would be the best way to create the frame, should i use balsa wood or chicken wire or some other material. should i even make a frame? or should i make a smaller envelope.

is there a way to achieve vertical motion with only two motors

how should i seal the space blankets together should i skimp for the hobby Mylar?

does anybody know how to remove the gears off of the motors that are in rc cars?
if not should i just get new motors?

if i start asking more questions everyone reading this will probably die of boredom so if anyone has any suggestions that would be amazing.
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Gen-Probe Launches Cash Tender Offer to Acquire Belgian Molecular Diagnostics Company Innogenetics
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Craig Lund, Vice President, Chief Technology Officer, Mercury Computer Systems, 7-26-07
High-performance computing, medical imaging, energy, national security. Mercury Computer Systems provides computing systems and software for data-intensive applications that include image processing, signal processing, and visualization. Mercury's applications include detecting aneurysms, designing safer, more fuel-efficient aircraft, and visualizing virtually every aspect of scientific investigation.
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ScienceDaily: Agriculture and Food News
By editors@medicalnewstoday.com (MNT Editors) - Copyright 2007. Bio-Medicine All Rights Reserved. - version: v1.5 build A