2D ultrasounds are part of routine prenatal care. What about 3D and 4D ultrasound technology? Learn about the safety and use ...

Through a field called geometric topology, mathematicians like me study all possible spaces in all dimensions. Whether trying to design secure sensor networks, mine data or use origami to deploy ...

Definition:4D Scanning Transmission Electron ... capabilities by collecting a two-dimensional (2D) diffraction pattern at each pixel of the scanned area, leading to a comprehensive three-dimensional ...