The Web Application, written in Java, is leveraging open-source technologies, specifically MySQL, as a Database, Apache as a Web Server, and CentOS 8.5 as the Operating System. The underlying ...

To set up quantum communication links between China and South Africa, a microsatellite called Jinan 1 was launched into low Earth orbit, and a portable optical ground station was set up.

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Possible Cause Local development environments sometimes have small time discrepancies due to differences in system clocks between client and server.