Thermal treating of metallic magneiusm on gallium nitride semiconductor results in the formation of a distinctive superlattice structure. Magnesium, nitrogen, gallium atoms are shown in orange, blue, ...

Blue LEDs are notoriously difficult to make, which has slowed down the production of cheap, highly efficient white LED light bulbs. Now, UK scientists think they know why. They have discovered that ...

The less nitrite added to processed meat, the lower the levels of potentially carcinogenic nitrosamines formed in the products. The formation of nitrosamines can be reduced even further by adding e.g.