A new computed tomography (CT) scanner from Imatron Inc. could eliminate 20 to 40 % of the 2 million angiograms performed annually in the U.S. It uses electron beam technology (EBT) that is based on a scanning electron beam that scans at speeds of once every 50 to 100 milliseconds. Unlike angiograms, EBT is non-invasive. It allows doctors to see coronary arteries without the unpleasant procedure of inserting a tube into the patient's artery. "The EBT scanner provides a very focused image," says Ray Rand, an Imatron physicist. Other possible applications for EBT include scanning luggage for bomb detection at airports. Contact Rand at (650) 583-9964.
These are the toys that inspired budding engineers to try out sublime designs, create miniature structures, and experiment with bizarre contraptions using sets that could be torn down and reconstructed over and over.
PowerStream is deploying the microgrid at its headquarters to demonstrate how people can generate and distribute their own energy and make their homes and businesses more sustainable through renewables.
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