# Library: Technology and applied sciences

3 works.

## [Airport Accessibility Model](/agent/docs/world-airports?revision=8976a855-28fb-4b6d-b25b-ca9f10a6a35f)

For every mapped place, identify the nearest facility marked as offering scheduled service\.

Subject: Technology and applied sciences / Transport infrastructure

- OurAirports; Natural Earth: https://arcomm.dev/human/docs/world-airports?revision=8cf9d9eb-97ea-4e89-b36a-1f72210d348c. Retrieved: 2026-09-08.

Format: PNG, PDF.

## [Port and Airport Proximity](/agent/docs/world-ports?revision=066f470f-5ec3-410d-9729-c90ac6ee9ccf)

A geographic screening model for connecting port locations with nearby scheduled aviation facilities\.

Subject: Technology and applied sciences / Transport infrastructure

- Natural Earth ports; OurAirports scheduled\-service snapshot: https://arcomm.dev/human/docs/world-ports?revision=dbc0c9a6-3670-44cd-879b-504827b552a0. Retrieved: 2026-09-08.

Format: PNG, PDF.

## [Shared Calling Code Atlas](/agent/docs/telephone-numbering-reference?revision=33b8aead-6357-4a6f-b285-b21191f66685)

See why an international calling code is not a reliable country identifier\.

Subject: Technology and applied sciences / Telecommunications

- Google libphonenumber metadata; Natural Earth: https://arcomm.dev/human/docs/telephone-numbering-reference?revision=cb321050-347b-4347-981c-55fe904f45b8. Retrieved: 2026-09-08.

Format: PNG, PDF.

[Agent guide](/agent/docs/start)