If you’ve recently visited a public place such as a gym, an airport, or a doctor’s office, you might have noticed a rough texture applied to the door knobs, toilet handles, and other frequently touched surfaces. The special material is called an antimicrobial surface, and many businesses are now incorporating the self-cleaning technology to help... READ MORE >>

A 17th century alchemist discovered that phosphor could glow, and believed he had found the legendary Philosopher’s Stone. It was nearly 400 years later when scholars discovered its true properties.... READ MORE >>