News tagged with insulation

Using cattails for insulation

A growing number of homeowners are insulating their walls in order to lower energy costs. They opt for the cheap variety, polystyrene. Yet there are environmentally-friendly alternatives: Cattails, for instance, ...

May 15, 2013 4.7 / 5 (3) 0

When an exciton acts like a hole

(Phys.org) —When is an electron hole like a quasiparticle (QP)? More specifically, what happens when a single electron hole is doped into a two-dimensional quantum antiferromagnet? Quasiparticle phenomena ...

Aug 27, 2014 4.7 / 5 (3) 5

Unfazed by imperfections

While insulating against electrical currents in their interior, the surface of materials called topological insulators permits the flow of electron spins relatively unhindered. The almost lossless flow ...

Jul 08, 2011 5 / 5 (2) 1