The first requirement is that a loop antenna form a highly efficient portable antenna; the second, and most important requirement, is that the loop be capable of being used as an accurate direction ...

A true monster of a shortwave antenna has been standing near Moosbrunn south of Vienna since 1983. The curtain antenna weighs 320 tons, produces up to 500 kilowatts and has two towers, each 76 ...

Sam Altman, the CEO of OpenAI, has prophesied that this may be the year the first "agents" — a set of artificial intelligence tools that can perform tasks on their own — "join the workforce.