Curated category
Hazardous materials
- LeadLead-208 holds 126 neutrons, a magic number that grants its nucleus exceptional stability. This isotope represents the heaviest stable nucleus known to…
- ExplosiveA match ignites a small pile of powder on a marble base, sending a flash of light and a sharp crack into the air. This moment captures the essence of an…
- Radioactive decayIn 1896, Henri Becquerel wrapped a photographic plate in black paper and placed uranium salts on top of it. The plate turned black despite the light being…