A coffee spill leaves behind a dark stain around the puddle’s edge when it dries. But as drops of paint dry, some look like “fried eggs,” with “yolks” of color surrounded by pristine white halos, whereas others appear uniform. To understand this variability, researchers literally watched paint dry. They found that pigment concentration and temperature impacted how the liquid gelled and evaporated, information that could help control patterns in dried paint.
Emissions from copper-based antifouling paints are a well-known environmental problem. As much as 40 percent of copper inputs to the Baltic Sea come from antifouling paints on ships and leisure ...
Researchers and physicians have found that early deaths of workers using methylene chloride paint strippers are on the rise. The solvent is widely used in paint strippers, cleaners, adhesives and ... In an effort to curb global warming, engineers have created the whitest paint yet. Coating buildings with this paint may one day cool them off enough to reduce the need for air conditioning, the ...
Spilled coffee forms a ring as the liquid evaporates, depositing solids along the edge of the puddle. This 'coffee ring effect' has fascinated scientists for decades, but now a team says ...
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