タグ: トランプグラス

Invisible Ink Glasses are specialized glasses that reveal hidden messages. These glasses filter specific wavelengths of light, such as uv or infrared, and reveal marks that are invisible to the naked eye. This technology is invaluable for a variety of scenarios, from security to entertainment. In card games, for example, it allows players to gain insight into their opponents’ cards without alerting them to their intentions, significantly increasing their strategic advantage. What Are Invisible Ink Glasses? UV invisible ink glasses are a device that enables the user to read invisible markings on surfaces. They work by detecting certain light wavelengths, such as ultraviolet (UV) and infrared (IR), to reveal hidden […]