Technology which located Mayan cities has been used to rediscover a southern African city from the 15th century.
Optical elements of the experimental setup allowing to obtain visible-spectrum laser pulses as short as 10 femtoseconds.
Courtesy of Dr. R. Borrego-Varillas and Prof. G. Cerullo, University Politecnico Milan (Italy)
Using fluorescent dye, researchers figured out how to turn cells into lasers – with applications for cell tagging and tracking as well as medical diagnoses and therapies.
During these dark winter months, spare a thought for artificial lights. From strings of lights adding holiday cheer to artificial sunlamps alleviating seasonal affective disorder, they brighten our days…