1 Jan 1904 Jahr - Free-space optics

Beschreibung:

Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar. This contrasts with using solids such as optical fiber cable

Group Insights:
not a conventional way of communicating, may be used in emergencies

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