Radiation Hazard Symbol - Universal Warning Sign for Ionizing Radiation #2216063 (License: Personal Use)

This image displays the internationally recognized radiation hazard symbol, featuring a black trefoil (three-bladed propeller) on a bright yellow circular background with a central gray circle. Designed in 1946 at the University of California, Berkeley, it conveys immediate visual warning of radioactive materials or ionizing radiation fields. Its high-contrast design ensures visibility and recognition across languages and contexts.

Used on signage, equipment, packaging, and safety documentation in nuclear power plants, medical radiology departments, research labs, and transport containers. Matches user intent for hazard awareness, safety compliance, or educational content about radiation risks.