"Log in to your computer with a secret message encoded in a molecule." ScienceDaily. www.sciencedaily.com / releases / 2025 / 05 / 250516133232.htm (accessed June 7, 2026).

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 ...

Over a year ago, we received a signal from Mars—an encoded message from Europe’s Martian orbiter, picked up by three observatories on Earth. The contents of this simulated alien message, crafted by an ...