News tagged with flat surface

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 ...

Nov 18, 2014
5 / 5 (6) 0

Butterfly wings inspire new high-tech surfaces

A South American butterfly flapped its wings, and caused a flurry of nanotechnology research to happen in Ohio. Researchers here have taken a new look at butterfly wings and rice leaves, and learned things ...

Nov 07, 2012
4.8 / 5 (4) 3 | with audio podcast

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 ...

Jul 16, 2013
4.5 / 5 (4) 0

Water droplets prefer the soft touch

(Phys.org) —Researchers have found a way to drive water droplets along a flat surface without applying heat, chemicals, electricity, or other forces: All that's required is varying the stiffness of the ...

Jun 25, 2013
4 / 5 (4) 0 | with audio podcast

A windshield wiper for Mars dust developed

A team of researchers at Universidad Carlos III in Madrid has developed a device that works as a windshield wiper to eliminate Mars dust from the sensors on the NASA spacecrafts that travel to the red planet.

Sep 24, 2012
4.7 / 5 (3) 12