black cats with blue eyes

This Halloween Toy Could Also Be Used To Harden Dental Composite Material

This Halloween Toy Could Also Be Used To Harden Dental Composite Material

A dentist in California was recently looking at the little Halloween toy — a black cat whose eyes glow blue when you press a button — and thought there was something familiar about that bright light: it looked just like the one he uses to harden dental composite material used to repair his patients’ chompers. [More]