作者: Venla E. Laine

Photonic crystals are periodic optical nanostructures that are designed to affect the motion of photons in a similar way that periodicity of a semiconductor crystal affects the motion of electrons. …

Crop Rotations: Farming Practices, Monitoring and Environmental Benefits, edited by Dr. Bao-Luo Ma, a senior research scientist from Agriculture and Agri-Food in Canada, includes contributions from …