Sparc Technologies’ South Australian green hydrogen pilot plant is on track to commence construction in early 2025, following a formal commitment to Stage 2 of the project with industry partners, and ...

To address this problem, we leverage the property of the Fresnel zone that the beam split disappears for RIS elements along a single Fresnel zone and propose a beamforming design on the two dimensions ...

If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...