Crystal Palace have taken a major step forward in the redevelopment of their Selhurst Park stadium after signing an agreement to fund community improvements. The deal, referred to in planning ...

Photonic space-time crystals are materials that could increase the performance and efficiency of wireless communication or laser technologies. They feature a periodic arrangement of special materials ...

Photonic time crystals consist of materials with uniform composition in space but properties that vary periodically over time. With this periodic variation, the spectral composition of light can be ...