News tagged with repulsion

Raising the prospects for quantum levitation

More than half-a-century ago, the Dutch theoretical physicist Hendrik Casimir calculated that two mirrors placed facing each other in a vacuum would attract. The mysterious force arises from the energy of virtual particles ...

Apr 18, 2012
4.8 / 5 (11) 1

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

New material for thermonuclear fusion reactors

Scientists at Universidad Carlos III de Madrid, Oxford University and the University of Michigan have joined efforts to develop new materials for thermonuclear fusion reactors. Their research focuses on characterization ...

Jan 09, 2012
4.4 / 5 (13) 38

How to build doughnuts with Lego blocks

Scientists have uncovered how nature minimises energy costs in rings of liquids with an internal nanostructure made of two chemically discordant polymers joined with strong bonds, or di-blocks, deposited on ...

Dec 21, 2011
5 / 5 (1) 0

Study discovers amazing electrical properties in polymers

(PhysOrg.com) -- Crystals and ceramics pale when compared to a material researchers at Oak Ridge National Laboratory discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday ...

Sep 23, 2011
4.9 / 5 (10) 1 | with audio podcast

Hunting for gaps

(PhysOrg.com) -- Researchers have developed a new model for the behavior of pedestrians and crowds. It can help to understand and prevent tragic crowd disasters, to develop better architectural designs and ...

Apr 19, 2011
4 / 5 (1) 0 | with audio podcast