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Working knowledge: Left ventricular assist devices: Restoring flow

Article Abstract:

Left ventricular assist devices (LVADs) are used to keep heart failure patients alive until they get an available transplant organ. The complications involved in LVAD devices are discussed and engineers are evaluating experimental, third-generation devices, which use magnetically levitated rotors, reducing moving parts.

Author: Fischetti, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
Medical Instruments and Supplies, Surgical and Medical Instrument Manufacturing, Cardiac Assist Pumps, Health aspects, Care and treatment, Heart, Heart transplantation, Cardiac patients, Heart assist devices

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Ball bearings: Ease the grind

Article Abstract:

The way in which ball bearings work in any machine is presented. It is a key to the devices that spin or roll like power plant turbines, steering columns, wheels, skateboards and many more machines.

Author: Fischetti, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2005
Ball and roller bearings, Ball and Roller Bearing Manufacturing, Ball Bearings, Ball-bearings

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Predicting wildfires: Fires are burning more acres than ever

Article Abstract:

The article discusses the factors responsible for the cause of wildfires in forests lands of the U.S. The increase in fires are usually caused due to the accumulation of deadwood forest wreckage.

Author: Fischetti, Mark, Andrews, Patricia, Finney, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
Science & research, Research, Environmental aspects, Forest roads, Forest ecology, Wildfires, Petrified forests, Fossil wood

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Subjects list: United States, Usage
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