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2. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

3. Industrial computed tomography - Wikipedia

   en.wikipedia.org/wiki/Industrial_computed_tomography

   Industrial computed tomography (CT) scanning is any computer-aided tomographic process, usually X-ray computed tomography, that uses irradiation to produce three-dimensional internal and external representations of a scanned object. Industrial CT scanning has been used in many areas of industry for internal inspection of components.

4. Operation of computed tomography - Wikipedia

   en.wikipedia.org/wiki/Operation_of_computed...

   In conventional CT machines, an X-ray tube and detector are physically rotated behind a circular shroud (see the image above right). An alternative, short lived design, known as electron beam tomography (EBT), used electromagnetic deflection of an electron beam within a very large conical X-ray tube and a stationary array of detectors to achieve very high temporal resolution, for imaging of ...

5. Lung cancer screening - Wikipedia

   en.wikipedia.org/wiki/Lung_cancer_screening

   The currently used low dose CT scan results in a radiation exposure of about 2 millisieverts (equal to roughly 20 two-view chest x-rays). [11] It has been estimated that radiation exposure from repeated screening studies could induce cancer formation in a small percentage of screened subjects, so this risk should be mitigated by a (relatively ...

6. Optical projection tomography - Wikipedia

   en.wikipedia.org/wiki/Optical_projection_tomography

   Both medical CT and OPT compute 3D volumes based on transmission of the photon through the material of interest. Given that the tissue is typically opaque in the ultraviolet, visible, and near-infrared spectrum, the tissue must first be made clear with an optical clearing agent, so that the light can pass through.

7. Siemens Healthineers - Wikipedia

   en.wikipedia.org/wiki/Siemens_Healthineers

   Siemens was the first to combine positron emission tomography (PET) with computed tomography (CT). [25] By creating this hybrid imaging system, Siemens combined the PET scanner's ability to visualize biological processes of life with a CT system's anatomical image of tissues and organs.