Occasionally, after a train had passed, Fyodorov would discover some object on the track and try at length to fathom its significance.

NEWYORKER: Among Animals and Plants

In another industry first, the Chimera architecture includes persistent tap-to-track technology, which allows users to touch the image of a person or object to focus on within a scene.

ENGADGET: NVIDIA intros Tegra 4i with built-in LTE, details Chimera camera tech with HDR

Each bit of each object in the arena must be triangulated continuously, so that the computer can keep track of which voxel it is in.

ECONOMIST: Looking out, looking in

He has already helped to track down a more recent, smaller impact (a mere 2.15m years ago, and involving an object somewhere between one and four kilometres across) to another part of the Pacific ocean, south-west of Chile.

ECONOMIST: Paleoforensic science