News tagged with motors moving
Biologist modifies theory of cells' engines
Biology /
Dec 11, 2008 |
4.7 / 5 (7) |
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Biologists have known for decades that cells use tiny molecular motors to move chromosomes, mitochondria, and many other organelles within the cell, but no one has been able to understand what "steers" these engines to their ...
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Molecular motors in cells work together, study shows
Biology /
Feb 13, 2009 |
4.1 / 5 (8) |
1
Even within cells, the left hand knows what the right hand is doing. Molecular motors, the little engines that power cell mobility and the ability of cells to transport internal cargo, work together and in close coordination, ...
NASA Buys Additional Space Shuttle Reusable Solid Rocket Motors
Space & Earth / Space Exploration
Dec 16, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- NASA has purchased two reusable solid rocket motors from ATK Launch Systems Inc. of Brigham City, Utah, to provide a "launch on need" rescue capability for the final planned space shuttle mission, targeted ...
Molecular motors and brakes work together in cells
Biology /
Jan 30, 2007 |
5 / 5 (2) |
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Researchers at the University of Pennsylvania School of Medicine have discovered that microtubules -- components responsible for shape, movement, and replication within cells -- use proteins that act as molecular ...
Molecular motor works by detecting minute changes in force
Nanotechnology / Bio & Medicine
Jul 09, 2008 |
4.6 / 5 (7) |
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Researchers at the University of Pennsylvania School of Medicine discovered that the activity of a specific family of nanometer-sized molecular motors called myosin-I is regulated by force. The motor puts tension on cellular ...
Spirit Rover: Right-Front Wheel Rotations
Space & Earth / Space Exploration
Dec 18, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- Spirit's right-front wheel, which had stopped operating in March 2006, revolved with apparently normal motion during the first three of four driving segments on Sol 2117 (Wednesday, Dec. 16) ...
Molecular motors cooperate in moving cellular cargo, study shows
Apr 07, 2005 |
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Researchers using an extremely fast and accurate imaging technique have shed light on the tiny movements of molecular motors that shuttle material within living cells. The motors cooperate in a delicate choreography of steps, ...
Superconducting motor to increase power density
May 24, 2007 |
4.2 / 5 (91) |
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The field of electric motors has recently entered a new era. The electric motors that you see today in everything from washing machines, toys, and fans use the same basic principles as motors from 50 years ...
Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)
Nov 20, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...
Bacteria mix it up at the microscopic level
Nov 02, 2009 |
3.5 / 5 (4) |
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(PhysOrg.com) -- Many hands -- or many flagella -- make light work. In studies of the motion of tiny swimming bacteria, scientists at the U.S. Department of Energy's Argonne National Laboratory found that ...
Stick and slide: Computer simulation advances understanding of molecular motors
Dec 02, 2009 |
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A new study reveals how molecular motors that power important subcellular movements can generate cyclical motion. The research, published by Cell Press in the December issue of the Biophysical Journal, opens a new door t ...
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