Eagle: Extremist Groups Grow Fast – While Angry Often Armed Non-Extremists Ponder Their Options

Southern Poverty Law Center Report: As Election Season Heats Up, Extremist Groups at Record Levels The American radical right grew explosively in 2011, a third consecutive year of extraordinary growth that has swelled the ranks of extremist groups to record levels, according to a report issued today by the Southern Poverty Law Center (SPLC). The …

Sepp Hasslberger: Graphene Battery Turns Ambient Heat into Electric Current

Graphene Battery Turns Ambient Heat Into Electric Current – Technology Review Physicists have built a graphene battery that harvests energy from the thermal movement of ions in solution Here’s an interesting idea for a battery. The thermal velocity of ions in aqueous solution is huge–hundreds of metres per second at room temperature. And yet few …