Important data can be stored and concealed quite easily in ordinary plastic using 3D printers and terahertz radiation, scientists show. Holography can be done quite easily: A 3D printer can be used to ...
Molecules like DNA are capable of storing large amounts of data without requiring an energy source, but accessing this molecular data is expensive and time-consuming. Researchers have developed an ...
NASA has a history of doing interesting and unexpected things when it comes to its space missions. Recently, NASA successfully placed the Perseverance rover onto the surface of Mars. One of the most ...
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Quantum holograms can send messages that disappear
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 ...
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