Computer-guided laser beams create microscopic 3-D structures.
A chip that combines optics and electronics generates light 100 times more efficiently than previous devices.
New software analyzes human speech to tell when a person is irritated or impatient.
To get crystal clear MRI pictures of the lungs, just take a deep breath--of helium.
In a technique that could overcome a major hurdle to gene therapy, small electric jolts push therapeutic genes into the cells that need help.
New imaging technology makes it possible for scientists to document the brain activity of Buddhist monks.
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