A quantum disappearing act could make it possible to embed secure messages in holograms and selectively erase parts of them even after they have been sent. Quantum light signals are inherently secure ...

Note to start: This may sound like it is going to be used for illegal purposes as in licences and ID's etc etc, but it is not. Thank you.<br><br><br>Ok onto the post. Earlier on this year we were ...

LOS ANGELES (Reuters) - Looking for a new way to communicate during the pandemic? A Los Angeles company has created phone booth-sized machines to beam live holograms into your living room. The device ...