Graphene to Desalinate Seawater, or Maybe Not

Recently science writers at various news outlets have been gushing over an announcement that scientists have been able to use graphene to remove the salt from seawater. CNBC lead with the exuberant headline, “Carbon-based filter which turns seawater into drinking water could help millions.” Science Alert’s headline was “Scientists Have Invented a Graphene-Based Sieve That Turns Seawater Into Drinking Water — Holy crap.”  While the enthusiasm is evident, what is not so clear is whether there is anything here to get so excited about. Read More