The picture that pops up before our inner eye when we hear the word "satellite" is probably this: Two extended solar "wings" ...

Visible light can be used to create electrodes from conductive plastics completely without hazardous chemicals. This is shown ...

We now see an increasing number of self-tracking apps and wearable devices. Despite the vast number of available tools, however, it is still challenging for self-trackers to find apps that suit their ...

Abstract: In this letter, a flexible double-layer optical orthogonal frequency division multiplexing (OFDM) scheme is proposed for visible light communications (VLC). At the transmitter, the proposed ...

Abstract: The problems of narrow space for inspection operation, frequent equipment movements, harsh operating environment and complex position relationship in coal mine general mining working face ...