Heart-powered pacemaker could one day eliminate battery-replacement surgery
A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
General Physics
Mar 2, 2012
3
0
News tagged with mechanical stresses
New glass-ceramic emits light when under mechanical stress
Researchers have created a new glass-ceramic that emits light in response to mechanical stress, a property known as mechanoluminescence. With further development, the new material could be used to create a light source that ...
Condensed Matter
Jul 26, 2022
1
909
New dental material resists plaque and kills microbes, dental team finds
Dentists rely on composite materials to perform restorative procedures, such as filling cavities. Yet these materials, like tooth enamel, can be vulnerable to the growth of plaque, the sticky biofilm that leads to tooth decay.
Materials Science
Dec 4, 2017
0
379
Next-generation composites may monitor their own structural health
Carbon fiber composites—lightweight and strong—are great structural materials for automobiles, aircraft and other transportation vehicles. They consist of a polymer matrix, such as epoxy, into which reinforcing carbon ...
Nanomaterials
Nov 16, 2018
0
133
Stress-induced genomic instability facilitates rapid cellular adaption in yeast
Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Cell & Microbiology
Jan 29, 2012
0
0
Scientists pioneer nanoscale nuclear materials testing capability
Nuclear power is a major component of our nation's long-term clean-energy future, but the technology has come under increased scrutiny in the wake of Japan's recent Fukushima disaster. Indeed, many nations have called for ...
Nanomaterials
Jun 26, 2011
2
0
Spintronics research finds magnetic state of certain materials can be switched using surface induced strain
Electronics are based on electrical charges being transported from one place to another. Electrons move, current flows, and signals are transmitted by applying an electrical voltage. However, there is also another way to ...
Condensed Matter
Feb 20, 2024
0
135
Tree survival skills: Stresses during handling and transport affect tree health
Consider the cumulative stresses that transplanted trees must endure from the time they are harvested until they become established in a landscape. Multiple stress factors can mean the difference between survival and death ...
Other
May 4, 2009
0
0
A protein provides stress relief for cells
German researchers have shown a new mechanism via which cells defend themselves against stress. Dr. Kathrin Thedieck and Birgit Holzwarth from the Institute of Biology III and the Cluster of Excellence BIOSS Centre for Biological ...
Cell & Microbiology
Aug 19, 2013
0
0
New polymer releases molecular cargo in response to force
Caltech scientists have developed a new kind of polymer that can carry a chemical payload as part of its molecular structure and release it in response to mechanical stress. The chemical system they have developed could one ...
Polymers
Nov 8, 2019
0
293
