Why whisky creates gorgeous patterns at bottom of glass
Why whisky creates gorgeous patterns at bottom of glass

 A new quest by a professional photographer and scientists has provided a deeper insight into why Whisky creates gorgeous patterns at the bottom of a glass after evaporation.

Dangerous bacterium can counteract `coffee ring effect`

When a coffee stain dries, its edges become noticeably darker and thicker, while the middle of the stain remains almost unsoiled.

Dangerous bacterium can counteract `coffee ring effect`

When a coffee stain dries, its edges become noticeably darker and thicker, while the middle of the stain remains almost unsoiled.