Abstract: CubeSat development is becoming one of the most important research topics due to the growing interest of American countries in developing their aerospace technology. The main aim of this ...

Siren sounds have blared from mobile phones across the country in a test of the national emergency alert system. At around 3pm on Sunday, mobiles connected to 4G and 5G networks vibrated and sounded ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

Millions of 3G and 4G compatible phones will be contacted in just under an hour as part of the UK Government's emergency alert system test. The scale of the test may leave some wondering if their ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

People have been encouraged to "keep their cool" for a test of the national emergency alert system on Sunday. At around 3pm, mobile phones connected to 4G and 5G networks will vibrate and emit a siren ...