State-of-the-art techniques for growing crystals are yielding materials with unique properties – such as metamaterial behavior or plasmon-enhanced optical performance.

Dzięki nowoczesnym metodom produkcji możemy obecnie uzyskać materiały o unikatowych właściwościach, które są wykorzystywane w przemyśle przyszłości.

Operational characteristic of wireless WiMax and IEEE 802.11x systems in underground mine environments The paper presents research results pertaining to transmission parameters of wireless communication systems, based on WiMax and IEEE 802.11x radio interfaces. Research was performed in severe operating conditions of an underground mine - testing various parameters, such as: throughput, delays and maximum range.