News tagged with flat surfaces

A new look at surface chemistry

For the first time in the long and vaunted history of scanning electron microscopy, the unique atomic structure at the surface of a material has been resolved. This landmark in scientific imaging was made ...

dateJun 17, 2015 in Nanophysics
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A new wrinkle for cell culture

Using a technique that introduces tiny wrinkles into sheets of graphene, researchers from Brown University have developed new textured surfaces for culturing cells in the lab that better mimic the complex ...

dateApr 23, 2015 in Nanomaterials
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Paramecia need Newton for navigation

While single-celled paramecia have the ability to respond to certain external stimuli, they appear not to use that sensory system for simple navigation, new research finds. The work suggests that the ability ...

dateNov 18, 2014 in General Physics
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An air cushion for falling droplets

Falling droplets bounce as many as fifteen times before they come to rest on a flat surface. In the past, it was believed that this phenomenon is limited to water drops on superhydrophobic surfaces.

dateNov 11, 2014 in General Physics
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Cells eat themselves into shape

The process cells use to 'swallow' up nutrients, hormones and other signals from their environment – called endocytosis – can play a crucial role in shaping the cells themselves, scientists at the European ...

dateAug 09, 2013 in Cell & Microbiology
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Explained: Hydrophobic and hydrophilic

Sometimes water spreads evenly when it hits a surface; sometimes it beads into tiny droplets. While people have noticed these differences since ancient times, a better understanding of these properties, and ...

dateJul 16, 2013 in General Physics
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