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Super-fine Sound Beam Could One Day Be an Invisible Scalpel

Published: December 20, 2012.
By University of Michigan
http://www.umich.edu/

ANN ARBOR—A carbon-nanotube-coated lens that converts light to sound can focus high-pressure sound waves to finer points than ever before. The University of Michigan engineering researchers who developed the new therapeutic ultrasound approach say it could lead to an invisible knife for noninvasive surgery.


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More news from University of Michigan


nature
What Agricultural 'Ecosystems on Steroids' Are Doing to the Air
ANN ARBOR--In a study that identifies a new, "direct fingerprint" of human activity on Earth, scientists have found that agricultural crops play a big role in seasonal swings of carbon dioxide in the atmosphere. The new findings from Boston University, the University of Michigan and other institutions reveal a nuance in the carbon cycle that could help scientists understand and predict how Earth's vegetation will react as the globe warms.
medicine
U-M-led Study Adds to Understanding of How Phthalate Exposure Impacts Pregnancy
ANN ARBOR--In recent years, scientists have linked chemicals known as phthalates with complications of pregnancy and fetal development. Now, a study led by researchers at the University of Michigan School of Public Health sheds light on the mechanism that may be to blame.
medicine
Newly Discovered Hormone with Potential Treatment for Obesity, Type 2 Diabetes, Liver Disease
ANN ARBOR -- Researchers at the University of Michigan have discovered how a previously unknown hormone serves as a messenger from fat cells to the liver and are investigating the potential of developing a new treatment for metabolic disorders.
technology
Microbot Muscles: Chains of Particles Assemble And Flex
ANN ARBOR--In a step toward robots smaller than a grain of sand, University of Michigan researchers have shown how chains of self-assembling particles could serve as electrically activated muscles in the tiny machines. So-called microbots would be handy in many areas, particularly medicine and manufacturing. But several challenges lie between current technologies and science fiction possibilities. Two of the big ones are building the 'bots and making them mobile.
psychology
Mothers' Education Significant to Children's Academic Success
ANN ARBOR--A mother knows best--and the amount of education she attains can predict her children's success in reading and math. In fact, that success is greater if she had her child later in life, according to a new University of Michigan study.
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