Microscopic metavehicles powered by nothing but light

To combat the negative effects of light pollution, the Pittsburgh City Council has passed a new Dark Sky Ordinance for all of the city's parks, facilities and streetlights. The Office of Mobility and Infrastructure prepared the ordinance with support from two Carnegie Mellon dark sky experts.

Capturing light: New ergonomic photodetector for the trillion-sensor era

Ancient DNA Analysis Sheds New Light on Origin of Etruscans