Latest Shreyas Mandre Stories

Ubiquitous stain offers new ideas on industrial coatings, electronics and medicineFor centuries, intellectuals have met at the ring-stained surfaces of coffee shops to pore over the most pressing problems of the day -- but has anyone ever pondered the coffee rings they left behind? What causes the formation of stain patterns left behind by coffee droplets on a surface?You might think coffee ring formation, first described quantitatively by Deegan et al in a heavily cited article, is the most...