Military grade burning lasers are only the size of a pen but can cut like a knife, light things on fire, and have their beam be visible any where you point it; hundreds of miles away. But knowing me I'd mistake it as a laser pointer.
The stunning Volute water feature by Tills Innovations. A vortex being captured and displayed in clarity and detail. What appears to be a solid piece of glass with a spinning vortex. A mesmerising water feature. - My Cool Garden
Corian® cantilevered staircase LUXO SURFACES - OFFICINE SANDRINI Tg: concerned glare at eye level or above. Solution turn steps on a few at a time on the way up, but could give good contrast on the way down