The computed tomography scanner, or CT scanner, was originally designed to provide cross-sectional images of the brain. The word tomography comes from the Greek word tomos, meaning "section," and graphia, meaning "picture."
The computed tomography scanner, or CT scanner, was originally designed to provide cross-sectional images of the brain. The word tomography comes from the Greek word tomos, meaning "section," and graphia, meaning "picture."
The patient lies still on a special table which slides into a round tunnel, called a gantry. The technician can then rotate the gantry or move it forward and backward in order to obtain the necessary view.
In many cases, a patient must be given a contrast material before undergoing a CT scan. During "dynamic CT scanning," iodine dye is either injected into the blood or added to a drink that the patient must ingest.
A new brain scanner has been developed to help people who are completely paralyzed speak. It enables them to spell words using their thoughts. With fMRI, each letter produces a different pattern of blood flow in the brain.
A new brain scanner has been developed to help people who are completely paralyzed speak. It enables them to spell words using their thoughts. With fMRI, each letter produces a different pattern of blood flow in the brain.
The masterworks of sculpture are joining the digital commons. The combination of digital scans and inexpensive 3-D printing is making these works familiar and beloved to people who cannot see them in person.
Tragic heroine Anna Karenina is unhappily married to "colossal bore" Alexei. When she meets dashing Count Vronsky, their affair scandalizes St. Petersburg -- leading to her ostracization from high-society and her beloved son.
Rihanna was told to cover up during a shoot of a new music video in a grain field, after the owner witnessed the scantily clad pop star and said it was against his ethos.
Rihanna was told to cover up during a shoot of a new music video in a grain field, after the owner witnessed the scantily clad pop star and said it was against his ethos.
Tiger Woods, mired in the worst winless streak of his career and hounded by a sex scandal that tarnished his image, shot an amazing 6-under in the second round of the Masters.
Tiger Woods, mired in the worst winless streak of his career and hounded by a sex scandal that tarnished his image, shot an amazing 6-under in the second round of the Masters.
Just days after filing court papers to split from record exec Jordan Bratman, Christina Aguilera found herself in a new scandal. According to Radar Online, the couple had an open marriage to accommodate Aguilera’s lady lust.
Tiger Woods, mired in the worst winless streak of his career and hounded by a sex scandal that tarnished his image, shot an amazing 6-under in the second round of the Masters.