Consumer & Gadgets

Travel back to ancient Greece in virtual reality

A new virtual reality (VR) app which takes users on a journey back in time to ancient Greece where they are able to experience first-hand what it was like to consult with the Greek god Zeus at the Oracle of Dodona has been ...

Energy & Green Tech

Solar energy projects lower bills in Rio de Janeiro favelas

In a hillside slum with breathtaking views of Rio de Janeiro's famed Copacabana beach, a rooftop covered in photovoltaic panels glitters in the tropical sun—one of many in Brazil's first favela solar energy project.