Coffee ring effect

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.

Dec 01, 2014, 14:28 PM IST

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.

May 15, 2013, 15:36 PM IST

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.

May 15, 2013, 14:36 PM IST