Astronomers probed interstellar comet 3I/ATLAS for alien technosignatures, tracing nine 'mysterious' signals back to human ...
Abstract: The identification of objects that blend in with their surroundings has long been a concern in fields including defence, wildlife monitoring, and surveillance due to the difficulty of ...
Collector money keeps moving faster toward assets that feel tangible, scarce, and emotionally charged, from vintage Ferraris to mechanical watches. Market specialists now expect 2026 to reward buyers ...
Abstract: The terahertz (THz) wave can penetrate many nonmetallic materials, such as paper, plastic, and clothing, making it highly valuable in the field of security checks. However, the low contrast ...