Researchers have determined directly the relation between the bandgap energy of single cesium lead bromide nanocrystals and their size and shape. By studying individual NCs being either isolated or ...

Lead contamination and exposure can cause “ profound and permanent ” impacts, including brain damage in children, and increased risk of kidney damage, cardiovascular disease, and miscarriage, ...

Security officials are tasked with preventing criminals from smuggling dangerous materials into a country, and detecting nuclear substances has been difficult and costly. Now Northwestern University ...