Gates Foundation

Rice University graduate student Oara Neumann (left) and scientist Naomi Halas are co-authors of new research on a highly efficient method of turning sunlight into steam

Science

High-efficiency solar energy tech turns water into steam

A novel technology developed at Rice University uses light-absorbing nanoparticles to convert sunlight into steam for clean energy production, sanitation, and human waste treatment.

Bill Gates evaluates the Toronto Toilet at the Reinvent the Toilet fair in Seattle

Wellness & Healthy Living

Bill backs one out at Reinventing the Toilet fair

At the two-day “Reinventing the Toilet” fair held in Seattle this week a California Institute of Technology (Caltech) team claimed first place for their solar-powered toilet.

Good Thinking

Light barrier used to repel mosquitoes

Can lasers be used to keep mosquitoes at bay?

In many parts of the world the absence of sanitary waste disposal is not just inconvenient, it can kill you (Photo: Noel McKeegan/Gizmag)

Environment

Cheap, simple composting toilet concept receives funding from Gates Foundation

A University engineer has envisioned an innovative and simple waste disposal system that can be constructed from everyday items designed specifically for Third World countries.