I keep reading about quantum entanglement - and how it has been used in practice to transmit secure messages. Seems like it is a technology that might somehow b

I keep reading about quantum entanglement - and how it has been used in practice to transmit secure messages. Seems like it is a technology that might somehow be used to induce frequencies without leaving any evidence. A lot of that works is secret, so it's hard to tell what is really being done.