CT scanner
device · 1971 · Digital age
Slice-by-slice X-ray images assembled by a computer (Hounsfield).
What it is made of
- Ball bearing — has part. The gantry turns on a bearing.
Principles and materials it uses
- Computer — uses. A computer reconstructs the image.
- X-rays — uses. A CT scanner shines X-rays around a circle.
- Steel — is made of. The gantry is steel.
History: what it evolved from and what it influenced
- X-ray machine — evolved from. Tomography from many images.