Apr 07, 2020, 03:07 PM
5 G frequencies have been in use for sometime but they are line of sight and much weaker in energy than previous bands of frequencies like 4 and 3 G. You use the 5G band at airports as scanners and the millimeter wave hits the skin and disappears. No cancer risk unless you think Walkie-Talkie tal...
Feb 16, 2018, 03:28 PM
With this sort of aircraft how is Qantas expected to make a profit?
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