Chemistry Gold flecks make super-transparent glass fully opaque from one side A glare-free window that is opaque from the outside but still offers a clear view from inside could be made with a ...

Researchers at ETH Zurich have developed an ultrathin, gold-based transparent coating that is able to convert sunlight into heat. It can be applied to glass and other surfaces to prevent them from ...

The thin gold layer has high electrical conductivity while not interfering with the cells ability to absorb sunlight. The perovskite cell the team developed has a 19.8 percent efficiency, a record ...

In a decisive move to tackle the challenges of illicit gold trade and formalise its artisanal mining sector, Côte d’Ivoire has partnered with the World Bank and the World Gold Council in a new ...