News tagged with surface structures

Spheres can form squares

Everybody who has tried to stack oranges in a box knows that a regular packing of spheres in a flat layer naturally leads to a hexagonal pattern, where each sphere is surrounded by six neighbours in a honeycomb-like ...

May 24, 2013
4.7 / 5 (3) 0

Surface structure controls liquid spreading

Researchers at Aalto University have developed a purely geometric surface structure that is able to stop and control the spreading of liquids on different types of surfaces. The structure has an undercut ...

Apr 24, 2013
5 / 5 (2) 0

Nanosuits help small creatures survive a vacuum

(Phys.org) —Scientists use scanning electron microscopes (SEMs) to study tiny structures in small organisms. SEMs can only work in a high vacuum, and exposure to such a vacuum normally causes living things ...

Apr 16, 2013 report
5 / 5 (9) 0 | with audio podcast

Building a better battery

A new battery technology provides double the energy storage at lower cost than the batteries that are used in handheld electronics, electric vehicles, aerospace and defence.

Mar 11, 2013
4.7 / 5 (15) 10 | with audio podcast

Blocking infinity in a topological insulator

(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked ...

Feb 08, 2013
4.8 / 5 (4) 7 | with audio podcast