News tagged with repulsion

Cosmology in a Petri dish

Scientists have found that micron-size particles which are trapped at fluid interfaces exhibit a collective dynamic that is subject to seemingly unrelated governing laws. These laws show a smooth transitioning ...

Jan 26, 2012 4 / 5 (7) 4

How not to blow up a molecule

High-charge-state ions in a molecule cause strong Coulomb forces, repulsive forces that try to blow its atoms apart. But the research team's crucial finding was that a way to produce only lower charge states ...

Jun 25, 2010 5 / 5 (5) 1

Long distance calls by sugar molecules

All our cells wear a coat of sugar molecules, so-called glycans. ETH Zurich and Empa researchers have now discovered that glycans rearrange water molecules over long distances. This may have an effect on ...

Jun 18, 2013 4.5 / 5 (4) 0 | with audio podcast

Repulsive interactions

(PhysOrg.com) -- The recent state of the roads is a clear illustration of what happens when water freezes into crystals of ice. But despite its frequent occurrence, the crystallisation of water is remarkably ...

Feb 05, 2010 4.7 / 5 (3) 0 | with audio podcast

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